diff --git a/htdocs/accountancy/admin/account.php b/htdocs/accountancy/admin/account.php
index e369081f7e1..905fd8b97ef 100644
--- a/htdocs/accountancy/admin/account.php
+++ b/htdocs/accountancy/admin/account.php
@@ -97,7 +97,7 @@ if (empty($reshook))
     
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
     
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
     {
     	$search_account = "";
     	$search_label = "";
diff --git a/htdocs/accountancy/admin/productaccount.php b/htdocs/accountancy/admin/productaccount.php
index 311aab692ff..c72ce8cc134 100644
--- a/htdocs/accountancy/admin/productaccount.php
+++ b/htdocs/accountancy/admin/productaccount.php
@@ -98,7 +98,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters,$object,$action);
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $search_ref = '';
     $search_label = '';
diff --git a/htdocs/accountancy/bookkeeping/balance.php b/htdocs/accountancy/bookkeeping/balance.php
index e742f4651cf..fb503c17ca0 100644
--- a/htdocs/accountancy/bookkeeping/balance.php
+++ b/htdocs/accountancy/bookkeeping/balance.php
@@ -98,7 +98,7 @@ if (! empty($search_accountancy_code_end)) {
  * Action
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_accountancy_code_start = '';
 	$search_accountancy_code_end = '';
diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index 114b765e658..0d9832cb802 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -112,7 +112,7 @@ if ($action != 'export_file' && ! isset($_POST['begin']) && ! isset($_GET['begin
 if (GETPOST('cancel')) { $action='list'; $massaction=''; }
 if (! GETPOST('confirmmassaction') && $massaction != 'presend' && $massaction != 'confirm_presend') { $massaction=''; }
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_mvt_num = '';
 	$search_doc_type = '';
diff --git a/htdocs/accountancy/bookkeeping/listbyaccount.php b/htdocs/accountancy/bookkeeping/listbyaccount.php
index a1398df6fb2..4e9e7bd56e7 100644
--- a/htdocs/accountancy/bookkeeping/listbyaccount.php
+++ b/htdocs/accountancy/bookkeeping/listbyaccount.php
@@ -92,7 +92,7 @@ if (! empty($search_doc_date)) {
 }
 
 
-if (!GETPOST("button_removefilter_x") && !GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (!GETPOST('button_removefilter_x','alpha') && !GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
   if (! empty($search_accountancy_code_start)) {
   	$filter['t.numero_compte'] = $search_accountancy_code_start;
@@ -121,7 +121,7 @@ if (!GETPOST("button_removefilter_x") && !GETPOST("button_removefilter")) // Bot
  * Action
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_doc_date = '';
 	$search_accountancy_code = '';
diff --git a/htdocs/accountancy/bookkeeping/listbyyear.php b/htdocs/accountancy/bookkeeping/listbyyear.php
index becb700761a..d10f621d9e3 100644
--- a/htdocs/accountancy/bookkeeping/listbyyear.php
+++ b/htdocs/accountancy/bookkeeping/listbyyear.php
@@ -86,7 +86,7 @@ $offset = $limit * $page;
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_doc_type = "";
 	$search_doc_date = "";
diff --git a/htdocs/accountancy/customer/lines.php b/htdocs/accountancy/customer/lines.php
index d6d006c6556..fc3c44cdb1f 100644
--- a/htdocs/accountancy/customer/lines.php
+++ b/htdocs/accountancy/customer/lines.php
@@ -85,7 +85,7 @@ $formaccounting = new FormAccounting($db);
  */
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_lineid = '';
 	$search_ref = '';
diff --git a/htdocs/accountancy/customer/list.php b/htdocs/accountancy/customer/list.php
index 2663ab1d779..0347eedebac 100644
--- a/htdocs/accountancy/customer/list.php
+++ b/htdocs/accountancy/customer/list.php
@@ -99,7 +99,7 @@ if (GETPOST('cancel')) { $action='list'; $massaction=''; }
 if (! GETPOST('confirmmassaction') && $massaction != 'presend' && $massaction != 'confirm_presend') { $massaction=''; }
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
 	$search_lineid = '';
 	$search_ref = '';
diff --git a/htdocs/accountancy/expensereport/lines.php b/htdocs/accountancy/expensereport/lines.php
index 2237f578069..07ac8ded778 100644
--- a/htdocs/accountancy/expensereport/lines.php
+++ b/htdocs/accountancy/expensereport/lines.php
@@ -82,7 +82,7 @@ $formaccounting = new FormAccounting($db);
  */
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_expensereport = '';
 	$search_label = '';
diff --git a/htdocs/accountancy/expensereport/list.php b/htdocs/accountancy/expensereport/list.php
index 8e7b9c60c92..8525287ee48 100644
--- a/htdocs/accountancy/expensereport/list.php
+++ b/htdocs/accountancy/expensereport/list.php
@@ -95,7 +95,7 @@ if (GETPOST('cancel')) { $action='list'; $massaction=''; }
 if (! GETPOST('confirmmassaction') && $massaction != 'presend' && $massaction != 'confirm_presend') { $massaction=''; }
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $search_expensereport = '';
     $search_label = '';
diff --git a/htdocs/accountancy/supplier/lines.php b/htdocs/accountancy/supplier/lines.php
index 398d12503ab..64547555c91 100644
--- a/htdocs/accountancy/supplier/lines.php
+++ b/htdocs/accountancy/supplier/lines.php
@@ -86,7 +86,7 @@ $formaccounting = new FormAccounting($db);
  */
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_lineid = '';
 	$search_ref = '';
diff --git a/htdocs/accountancy/supplier/list.php b/htdocs/accountancy/supplier/list.php
index 3077f8f337b..24b1f729bb8 100644
--- a/htdocs/accountancy/supplier/list.php
+++ b/htdocs/accountancy/supplier/list.php
@@ -100,7 +100,7 @@ if (GETPOST('cancel')) { $action='list'; $massaction=''; }
 if (! GETPOST('confirmmassaction') && $massaction != 'presend' && $massaction != 'confirm_presend') { $massaction=''; }
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $search_lineid = '';
     $search_ref = '';
diff --git a/htdocs/adherents/list.php b/htdocs/adherents/list.php
index 20f36189862..bfa92cafa7b 100644
--- a/htdocs/adherents/list.php
+++ b/htdocs/adherents/list.php
@@ -151,7 +151,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search="";
     	$search_ref="";
diff --git a/htdocs/adherents/subscription/list.php b/htdocs/adherents/subscription/list.php
index 369c56b068c..1b42b3aaf06 100644
--- a/htdocs/adherents/subscription/list.php
+++ b/htdocs/adherents/subscription/list.php
@@ -88,7 +88,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search="";
     	$search_ref="";
diff --git a/htdocs/adherents/type.php b/htdocs/adherents/type.php
index a7b9fd7d3e8..06297229420 100644
--- a/htdocs/adherents/type.php
+++ b/htdocs/adherents/type.php
@@ -69,7 +69,7 @@ $extrafields = new ExtraFields($db);
 // fetch optionals attributes and labels
 $extralabels=$extrafields->fetch_name_optionals_label('adherent_type');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_lastname="";
     $search_login="";
diff --git a/htdocs/admin/defaultvalues.php b/htdocs/admin/defaultvalues.php
index 53c22353b92..40446c27217 100644
--- a/htdocs/admin/defaultvalues.php
+++ b/htdocs/admin/defaultvalues.php
@@ -79,7 +79,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $defaulturl='';
     $defaultkey='';
diff --git a/htdocs/admin/mails_templates.php b/htdocs/admin/mails_templates.php
index 16277811b72..dabc0f5f730 100644
--- a/htdocs/admin/mails_templates.php
+++ b/htdocs/admin/mails_templates.php
@@ -180,7 +180,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 if (empty($reshook))
 {
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_label='';
         $toselect='';
diff --git a/htdocs/admin/tools/listevents.php b/htdocs/admin/tools/listevents.php
index fc1d2b72fdf..516d9e41bb2 100644
--- a/htdocs/admin/tools/listevents.php
+++ b/htdocs/admin/tools/listevents.php
@@ -100,7 +100,7 @@ $date_endyear = $tmp['year'];
 $now=dol_now();
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $date_start=-1;
     $date_end=-1;
diff --git a/htdocs/admin/translation.php b/htdocs/admin/translation.php
index be48bd0c8f4..5236315daf3 100644
--- a/htdocs/admin/translation.php
+++ b/htdocs/admin/translation.php
@@ -74,7 +74,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $transkey='';
     $transvalue='';
diff --git a/htdocs/comm/action/listactions.php b/htdocs/comm/action/listactions.php
index 9e0d1530e85..59755728e81 100644
--- a/htdocs/comm/action/listactions.php
+++ b/htdocs/comm/action/listactions.php
@@ -137,7 +137,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters,$object,$action);
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $actioncode='';
     $search_title='';
diff --git a/htdocs/comm/mailing/advtargetemailing.php b/htdocs/comm/mailing/advtargetemailing.php
index 81c29f687ce..d87ade16b12 100644
--- a/htdocs/comm/mailing/advtargetemailing.php
+++ b/htdocs/comm/mailing/advtargetemailing.php
@@ -66,7 +66,7 @@ $search_email = GETPOST("search_email");
 $template_id = GETPOST('template_id', 'int');
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x")) {
+if (GETPOST('button_removefilter_x','alpha')) {
 	$search_nom = '';
 	$search_prenom = '';
 	$search_email = '';
diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index e9626a638b8..70953e58fbf 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -178,7 +178,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_categ='';
     $search_user='';
diff --git a/htdocs/commande/list.php b/htdocs/commande/list.php
index 8ce3ba7cd04..3bb54cd0f53 100644
--- a/htdocs/commande/list.php
+++ b/htdocs/commande/list.php
@@ -162,7 +162,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_categ='';
         $search_user='';
diff --git a/htdocs/compta/bank/bankentries.php b/htdocs/compta/bank/bankentries.php
index 2bc2242abc4..5a43548aed1 100644
--- a/htdocs/compta/bank/bankentries.php
+++ b/htdocs/compta/bank/bankentries.php
@@ -178,7 +178,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_dt_start='';
     $search_dt_end='';
diff --git a/htdocs/compta/bank/index.php b/htdocs/compta/bank/index.php
index 9d8cf29ee39..9bc8608692d 100644
--- a/htdocs/compta/bank/index.php
+++ b/htdocs/compta/bank/index.php
@@ -121,7 +121,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $statut = 'all';
     $search_ref='';
diff --git a/htdocs/compta/bank/various_payment/index.php b/htdocs/compta/bank/various_payment/index.php
index 6594bacea7f..3fce9c30fd6 100644
--- a/htdocs/compta/bank/various_payment/index.php
+++ b/htdocs/compta/bank/various_payment/index.php
@@ -69,7 +69,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/compta/deplacement/list.php b/htdocs/compta/deplacement/list.php
index de5e00045e7..e42e9f2325a 100644
--- a/htdocs/compta/deplacement/list.php
+++ b/htdocs/compta/deplacement/list.php
@@ -57,7 +57,7 @@ if (! $sortfield) $sortfield="d.dated";
 $year=GETPOST("year");
 $month=GETPOST("month");
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_name="";
diff --git a/htdocs/compta/facture/fiche-rec.php b/htdocs/compta/facture/fiche-rec.php
index 22306e498f2..0a9112f1386 100644
--- a/htdocs/compta/facture/fiche-rec.php
+++ b/htdocs/compta/facture/fiche-rec.php
@@ -148,7 +148,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_lineupdown.inc.php';	// Must be include, not include_once
 
     // Do we click on purge search criteria ?
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
     {
         $search_ref='';
         $search_societe='';
diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index 5ab62bf5337..72ea7e1a647 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -191,7 +191,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter") || GETPOST("button_removefilter.x")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha') || GETPOST('button_removefilter.x','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_user='';
     $search_sale='';
diff --git a/htdocs/compta/paiement/cheque/list.php b/htdocs/compta/paiement/cheque/list.php
index aeed72d93d1..3e2b43b7f34 100644
--- a/htdocs/compta/paiement/cheque/list.php
+++ b/htdocs/compta/paiement/cheque/list.php
@@ -68,7 +68,7 @@ $accountstatic=new Account($db);
  */
 
 // If click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_ref='';
     $search_amount='';
diff --git a/htdocs/compta/paiement/list.php b/htdocs/compta/paiement/list.php
index ec2bbc78fc6..4a7a2e3c81a 100644
--- a/htdocs/compta/paiement/list.php
+++ b/htdocs/compta/paiement/list.php
@@ -77,7 +77,7 @@ $extrafields = new ExtraFields($db);
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_account="";
diff --git a/htdocs/compta/prelevement/bons.php b/htdocs/compta/prelevement/bons.php
index 9a5585c2513..6fcbb62b5d9 100644
--- a/htdocs/compta/prelevement/bons.php
+++ b/htdocs/compta/prelevement/bons.php
@@ -57,7 +57,7 @@ $search_ref = GETPOST('search_ref','alpha');
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_ref="";
 }
diff --git a/htdocs/compta/prelevement/list.php b/htdocs/compta/prelevement/list.php
index 208be88aeae..6251a6f6521 100644
--- a/htdocs/compta/prelevement/list.php
+++ b/htdocs/compta/prelevement/list.php
@@ -65,7 +65,7 @@ $ligne=new LignePrelevement($db,$user);
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_line="";
 	$search_bon="";
diff --git a/htdocs/compta/salaries/index.php b/htdocs/compta/salaries/index.php
index baf99182993..b25df5a71ac 100644
--- a/htdocs/compta/salaries/index.php
+++ b/htdocs/compta/salaries/index.php
@@ -79,7 +79,7 @@ else
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/compta/sociales/index.php b/htdocs/compta/sociales/index.php
index 2ab2cb1c172..50dd4d430ed 100644
--- a/htdocs/compta/sociales/index.php
+++ b/htdocs/compta/sociales/index.php
@@ -71,7 +71,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/compta/tva/reglement.php b/htdocs/compta/tva/reglement.php
index 44c45a65dc7..c75730d2f8e 100644
--- a/htdocs/compta/tva/reglement.php
+++ b/htdocs/compta/tva/reglement.php
@@ -74,7 +74,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/contact/agenda.php b/htdocs/contact/agenda.php
index 74ec89bf5d1..7f35c71cd11 100644
--- a/htdocs/contact/agenda.php
+++ b/htdocs/contact/agenda.php
@@ -122,7 +122,7 @@ if (empty($reshook))
     }
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
     {
         $actioncode='';
         $search_agenda_label='';
diff --git a/htdocs/contrat/list.php b/htdocs/contrat/list.php
index a526a9bd78c..4b638dcfef6 100644
--- a/htdocs/contrat/list.php
+++ b/htdocs/contrat/list.php
@@ -146,7 +146,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
 	$day='';
 	$month='';
diff --git a/htdocs/contrat/services.php b/htdocs/contrat/services.php
index aea03a73df5..2fdec21f735 100644
--- a/htdocs/contrat/services.php
+++ b/htdocs/contrat/services.php
@@ -152,7 +152,7 @@ if (empty($reshook))
     // Selection of new fields
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
     {
     	$search_name="";
     	$search_contract="";
diff --git a/htdocs/cron/list.php b/htdocs/cron/list.php
index 620efae0437..913da57ac39 100644
--- a/htdocs/cron/list.php
+++ b/htdocs/cron/list.php
@@ -78,7 +78,7 @@ $object = new Cronjob($db);
  */
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_label='';
 	$status=-1;
@@ -115,19 +115,19 @@ if ($action == 'confirm_execute' && $confirm == "yes" && $user->rights->cron->ex
     {
         $object = new Cronjob($db);
     	$job = $object->fetch($id);
-    
+
         $now = dol_now();   // Date we start
-    
+
         $resrunjob = $object->run_jobs($user->login);   // Return -1 if KO, 1 if OK
     	if ($resrunjob < 0) {
     		setEventMessages($object->error, $object->errors, 'errors');
     	}
-    
+
     	// Programm next run
     	$res = $object->reprogram_jobs($user->login, $now);
     	if ($res > 0)
     	{
-    		if ($resrunjob >= 0)	// We add result of reprogram ony if no error message already reported 
+    		if ($resrunjob >= 0)	// We add result of reprogram ony if no error message already reported
     		{
     		    if ($object->lastresult >= 0) setEventMessages($langs->trans("JobFinished"), null, 'mesgs');
     		    else setEventMessages($langs->trans("JobFinished"), null, 'errors');
@@ -139,7 +139,7 @@ if ($action == 'confirm_execute' && $confirm == "yes" && $user->rights->cron->ex
     		setEventMessages($object->error, $object->errors, 'errors');
     		$action='';
     	}
-    
+
     	header("Location: ".DOL_URL_ROOT.'/cron/list.php?status=-2');		// Make a call to avoid to run twice job when using back
     	exit;
     }
@@ -352,10 +352,10 @@ if ($num > 0)
 	while ($i < min($num,$limit))
 	{
 		$obj = $db->fetch_object($result);
-		
+
 
 		if (! verifCond($obj->test)) continue;        // Discard line with test = false
-	    
+
 		// title profil
 		if ($style=='pair') {$style='impair';}
 		else {$style='pair';}
@@ -391,7 +391,7 @@ if ($num > 0)
 			$texttoshow.='<br>'.$langs->trans('CronArgs').': '. $obj->params;
 			$texttoshow.='<br>'.$langs->trans('Comment').': '. $langs->trans($obj->note);
 		}
-		elseif ($obj->jobtype=='command') 
+		elseif ($obj->jobtype=='command')
 		{
 			$text=$langs->trans('CronCommand');
 			$texttoshow=$langs->trans('CronCommand').': '.dol_trunc($obj->command);
@@ -419,7 +419,7 @@ if ($num > 0)
 		print '<td align="right">';
 		if (!empty($obj->maxrun)) {print $obj->maxrun;}
 		print '</td>';
-		
+
 		print '<td align="right">';
 		if (!empty($obj->nbrun)) {print $obj->nbrun;} else {print '0';}
 		print '</td>';
@@ -468,7 +468,7 @@ if ($num > 0)
 		print '</td>';
 
 		print '</tr>';
-		
+
 		$i++;
 	}
 }
diff --git a/htdocs/don/list.php b/htdocs/don/list.php
index 24ee68eb0f7..2eab3557797 100644
--- a/htdocs/don/list.php
+++ b/htdocs/don/list.php
@@ -52,7 +52,7 @@ $optioncss = GETPOST('optioncss','alpha');
 
 if (!$user->rights->don->lire) accessforbidden();
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_all="";
     $search_ref="";
diff --git a/htdocs/expedition/list.php b/htdocs/expedition/list.php
index 22e11e6fd1e..e936e0f73bd 100644
--- a/htdocs/expedition/list.php
+++ b/htdocs/expedition/list.php
@@ -127,7 +127,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_ref_exp='';
     $search_ref_liv='';
diff --git a/htdocs/expensereport/list.php b/htdocs/expensereport/list.php
index 34f1cfebf38..e0a9df80b3f 100644
--- a/htdocs/expensereport/list.php
+++ b/htdocs/expensereport/list.php
@@ -140,7 +140,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter"))		// Both test must be present to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha'))		// Both test must be present to be compatible with all browsers
 {
     $search_ref="";
     $search_user="";
diff --git a/htdocs/fichinter/list.php b/htdocs/fichinter/list.php
index 78fd59ecb22..3acef343aa9 100644
--- a/htdocs/fichinter/list.php
+++ b/htdocs/fichinter/list.php
@@ -141,7 +141,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-	if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+	if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 	{
 		$search_ref="";
 		$search_company="";
diff --git a/htdocs/fourn/commande/info.php b/htdocs/fourn/commande/info.php
index bbc688264b8..25dc8932049 100644
--- a/htdocs/fourn/commande/info.php
+++ b/htdocs/fourn/commande/info.php
@@ -68,7 +68,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters,$object,$action);
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $actioncode='';
     $search_agenda_label='';
diff --git a/htdocs/fourn/commande/list.php b/htdocs/fourn/commande/list.php
index 3e3fe658155..41c9988e903 100644
--- a/htdocs/fourn/commande/list.php
+++ b/htdocs/fourn/commande/list.php
@@ -185,7 +185,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $ordermonth='';
         $orderyear='';
diff --git a/htdocs/fourn/facture/impayees.php b/htdocs/fourn/facture/impayees.php
index 7cfe9697891..cb562edf9ec 100644
--- a/htdocs/fourn/facture/impayees.php
+++ b/htdocs/fourn/facture/impayees.php
@@ -64,7 +64,7 @@ $pagenext = $page + 1;
 if (! $sortfield) $sortfield="f.date_lim_reglement";
 if (! $sortorder) $sortorder="ASC";
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_ref_supplier="";
diff --git a/htdocs/fourn/facture/list.php b/htdocs/fourn/facture/list.php
index 056a1961b4c..3b3f7d98ab2 100644
--- a/htdocs/fourn/facture/list.php
+++ b/htdocs/fourn/facture/list.php
@@ -194,7 +194,7 @@ if (empty($reshook))
 {
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter") || GETPOST("button_removefilter.x"))		// All test must be present to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha') || GETPOST('button_removefilter.x','alpha'))		// All test must be present to be compatible with all browsers
     {
         $search_all="";
         $search_user='';
diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index fcf7dc92ebf..26db12ac047 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -95,7 +95,7 @@ $arrayfields=array();
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_ref="";
     $search_account="";
diff --git a/htdocs/fourn/product/list.php b/htdocs/fourn/product/list.php
index 00e2dbf939d..33659b87639 100644
--- a/htdocs/fourn/product/list.php
+++ b/htdocs/fourn/product/list.php
@@ -82,7 +82,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
     	$sref = '';
     	$sRefSupplier = '';
diff --git a/htdocs/holiday/define_holiday.php b/htdocs/holiday/define_holiday.php
index 88f3438dcaf..92f1d4cafc6 100644
--- a/htdocs/holiday/define_holiday.php
+++ b/htdocs/holiday/define_holiday.php
@@ -84,7 +84,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_name='';
         $toselect='';
diff --git a/htdocs/holiday/list.php b/htdocs/holiday/list.php
index ec881f04c57..9048ed9a8b8 100644
--- a/htdocs/holiday/list.php
+++ b/htdocs/holiday/list.php
@@ -81,7 +81,7 @@ $fieldstosearchall = array(
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
 	$search_ref="";
 	$month_create="";
diff --git a/htdocs/loan/index.php b/htdocs/loan/index.php
index 3ce2c048057..0aa16b4225d 100644
--- a/htdocs/loan/index.php
+++ b/htdocs/loan/index.php
@@ -55,7 +55,7 @@ $filtre=GETPOST("filtre");
 $optioncss = GETPOST('optioncss','alpha');
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
     $search_ref="";
 	$search_label="";
diff --git a/htdocs/margin/checkMargins.php b/htdocs/margin/checkMargins.php
index ab6394eb74c..58fee8c3ea6 100644
--- a/htdocs/margin/checkMargins.php
+++ b/htdocs/margin/checkMargins.php
@@ -103,7 +103,7 @@ if (empty($reshook))
     }
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_ref='';
         $search_array_options=array();
diff --git a/htdocs/modulebuilder/template/myobject_list.php b/htdocs/modulebuilder/template/myobject_list.php
index d024a5d9277..b7a2de3267f 100644
--- a/htdocs/modulebuilder/template/myobject_list.php
+++ b/htdocs/modulebuilder/template/myobject_list.php
@@ -154,7 +154,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         foreach($object->fields as $key => $val)
         {
diff --git a/htdocs/product/inventory/listview.class.php b/htdocs/product/inventory/listview.class.php
index ac5ec68f51a..3dddac44516 100644
--- a/htdocs/product/inventory/listview.class.php
+++ b/htdocs/product/inventory/listview.class.php
@@ -221,7 +221,7 @@ class Listview
      */
     private function search($sql, &$TParam)
     {
-		if (empty($TParam['no-auto-sql-search']) && !GETPOST("button_removefilter_x") && !GETPOST("button_removefilter.x") && !GETPOST("button_removefilter"))
+		if (empty($TParam['no-auto-sql-search']) && !GETPOST('button_removefilter_x','alpha') && !GETPOST('button_removefilter.x','alpha') && !GETPOST('button_removefilter','alpha'))
 		{
 			foreach ($TParam['search'] as $field => $info)
 			{
@@ -331,7 +331,7 @@ class Listview
 			if(empty($TSearch[$key]))$TSearch[$key]='';
 		}
 		
-		$removeFilter = (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter"));
+		$removeFilter = (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha'));
 		foreach($TParam['search'] as $key => $param_search)
 		{
 			if ($removeFilter) $value = '';
diff --git a/htdocs/product/list-with-listview.php b/htdocs/product/list-with-listview.php
index 8e4218db227..2b967e62ba5 100644
--- a/htdocs/product/list-with-listview.php
+++ b/htdocs/product/list-with-listview.php
@@ -203,7 +203,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
     	$sall="";
     	$sref="";
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index dae7ea7d8c8..af5e500fbf5 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -206,7 +206,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
     	$sall="";
     	$sref="";
diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index e296d44bd33..1000388cb56 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -89,7 +89,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 
 if (empty($reshook))
 {
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_soc = '';
     }
diff --git a/htdocs/product/reassort.php b/htdocs/product/reassort.php
index ffa0544976b..9d58c244b2e 100644
--- a/htdocs/product/reassort.php
+++ b/htdocs/product/reassort.php
@@ -86,7 +86,7 @@ if (! empty($conf->global->STOCK_CALCULATE_ON_SHIPMENT) || ! empty($conf->global
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $sref="";
     $snom="";
diff --git a/htdocs/product/reassortlot.php b/htdocs/product/reassortlot.php
index d3694e039eb..3c335ed1ad8 100644
--- a/htdocs/product/reassortlot.php
+++ b/htdocs/product/reassortlot.php
@@ -83,7 +83,7 @@ if (! empty($canvas))
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $sref="";
     $snom="";
diff --git a/htdocs/product/stats/commande.php b/htdocs/product/stats/commande.php
index 5d419cc880c..1b4036af8af 100644
--- a/htdocs/product/stats/commande.php
+++ b/htdocs/product/stats/commande.php
@@ -61,7 +61,7 @@ if (! $sortfield) $sortfield="c.date_commande";
 $search_month = GETPOST('search_month', 'aplha');
 $search_year = GETPOST('search_year', 'int');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) {
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) {
 	$search_month='';
 	$search_year='';
 }
diff --git a/htdocs/product/stats/commande_fournisseur.php b/htdocs/product/stats/commande_fournisseur.php
index d63300a3a96..ad802ed36f6 100644
--- a/htdocs/product/stats/commande_fournisseur.php
+++ b/htdocs/product/stats/commande_fournisseur.php
@@ -67,7 +67,7 @@ if (! $sortfield)
 $search_month = GETPOST('search_month', 'aplha');
 $search_year = GETPOST('search_year', 'int');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) {
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) {
 	$search_month = '';
 	$search_year = '';
 }
diff --git a/htdocs/product/stats/facture.php b/htdocs/product/stats/facture.php
index 7117f0c03c0..831e7ec729c 100644
--- a/htdocs/product/stats/facture.php
+++ b/htdocs/product/stats/facture.php
@@ -62,7 +62,7 @@ if (! $sortfield) $sortfield="f.datef";
 $search_month = GETPOST('search_month', 'aplha');
 $search_year = GETPOST('search_year', 'int');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) {
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) {
 	$search_month='';
 	$search_year='';
 }
diff --git a/htdocs/product/stats/facture_fournisseur.php b/htdocs/product/stats/facture_fournisseur.php
index e9124cd003b..514fc622cc5 100644
--- a/htdocs/product/stats/facture_fournisseur.php
+++ b/htdocs/product/stats/facture_fournisseur.php
@@ -63,7 +63,7 @@ if (! $sortfield) $sortfield = "f.datef";
 $search_month = GETPOST('search_month', 'aplha');
 $search_year = GETPOST('search_year', 'int');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) {
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) {
 	$search_month = '';
 	$search_year = '';
 }
diff --git a/htdocs/product/stats/propal.php b/htdocs/product/stats/propal.php
index c5caf6c7c2c..3b7131245a6 100644
--- a/htdocs/product/stats/propal.php
+++ b/htdocs/product/stats/propal.php
@@ -61,7 +61,7 @@ if (! $sortfield) $sortfield = "p.datep";
 $search_month = GETPOST('search_month', 'aplha');
 $search_year = GETPOST('search_year', 'int');
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) {
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) {
 	$search_month = '';
 	$search_year = '';
 }
diff --git a/htdocs/product/stock/list.php b/htdocs/product/stock/list.php
index d3de2b6b6e5..683bb4de566 100644
--- a/htdocs/product/stock/list.php
+++ b/htdocs/product/stock/list.php
@@ -65,7 +65,7 @@ $fieldstosearchall = array(
 
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
     $search_ref="";
     $sall="";
diff --git a/htdocs/product/stock/mouvement.php b/htdocs/product/stock/mouvement.php
index 23df5282435..e12ecee2b9b 100644
--- a/htdocs/product/stock/mouvement.php
+++ b/htdocs/product/stock/mouvement.php
@@ -122,7 +122,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
     $year='';
     $month='';
diff --git a/htdocs/product/stock/productlot_list.php b/htdocs/product/stock/productlot_list.php
index ef4a9bf70c9..fc60f500ba6 100644
--- a/htdocs/product/stock/productlot_list.php
+++ b/htdocs/product/stock/productlot_list.php
@@ -142,7 +142,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_entity='';
     $search_product='';
diff --git a/htdocs/product/stock/replenish.php b/htdocs/product/stock/replenish.php
index 59856e35d55..a3f4cb8ecaf 100644
--- a/htdocs/product/stock/replenish.php
+++ b/htdocs/product/stock/replenish.php
@@ -92,7 +92,7 @@ if ($mode == 'virtual') $usevirtualstock=1;
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter") || isset($_POST['valid'])) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha') || isset($_POST['valid'])) // Both test are required to be compatible with all browsers
 {
     $sref = '';
     $snom = '';
diff --git a/htdocs/product/stock/replenishorders.php b/htdocs/product/stock/replenishorders.php
index d190c4d704d..6ed7fc379b5 100644
--- a/htdocs/product/stock/replenishorders.php
+++ b/htdocs/product/stock/replenishorders.php
@@ -63,7 +63,7 @@ $offset = $limit * $page;
  * Actions
  */
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
     $sall="";
     $sref="";
diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index 908767afe32..a7b243dd338 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -97,7 +97,7 @@ $object=new Task($db);
  */
 
 // Purge criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $action = '';
     $search_usertoprocessid = '';
diff --git a/htdocs/projet/activity/perweek.php b/htdocs/projet/activity/perweek.php
index 4a2156430af..5f3e9b1aa20 100644
--- a/htdocs/projet/activity/perweek.php
+++ b/htdocs/projet/activity/perweek.php
@@ -110,7 +110,7 @@ $object=new Task($db);
  */
 
 // Purge criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $action = '';
     $search_usertoprocessid = '';
diff --git a/htdocs/projet/info.php b/htdocs/projet/info.php
index 05c31287745..8e506b5d454 100644
--- a/htdocs/projet/info.php
+++ b/htdocs/projet/info.php
@@ -78,7 +78,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters,$object,$action);
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
 {
     $actioncode='';
     $search_agenda_label='';
diff --git a/htdocs/projet/list.php b/htdocs/projet/list.php
index 9c78387f95b..1bf65decd71 100644
--- a/htdocs/projet/list.php
+++ b/htdocs/projet/list.php
@@ -161,7 +161,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
     	$search_all='';
     	$search_categ='';
diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index 41ae6d28364..112c2697706 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -81,7 +81,7 @@ $userAccess=0;
  */
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_user_id="";
     $toselect='';
diff --git a/htdocs/projet/tasks/list.php b/htdocs/projet/tasks/list.php
index 7bff02fa864..58ef76b7a91 100644
--- a/htdocs/projet/tasks/list.php
+++ b/htdocs/projet/tasks/list.php
@@ -151,7 +151,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_all="";
         $search_categ="";
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 37331b000ab..f643b9b5ca3 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -96,7 +96,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_date='';
     $search_datehour='';
diff --git a/htdocs/resource/list.php b/htdocs/resource/list.php
index 53658c588c6..0564392071a 100644
--- a/htdocs/resource/list.php
+++ b/htdocs/resource/list.php
@@ -130,7 +130,7 @@ if (is_array($extrafields->attribute_label) && count($extrafields->attribute_lab
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/societe/agenda.php b/htdocs/societe/agenda.php
index c67fb1c4dc4..497b9593142 100644
--- a/htdocs/societe/agenda.php
+++ b/htdocs/societe/agenda.php
@@ -83,7 +83,7 @@ if (empty($reshook))
     }
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $actioncode='';
         $search_agenda_label='';
diff --git a/htdocs/societe/consumption.php b/htdocs/societe/consumption.php
index d9cae2a4170..5c134aee36d 100644
--- a/htdocs/societe/consumption.php
+++ b/htdocs/societe/consumption.php
@@ -57,7 +57,7 @@ $month	= GETPOST('month','int');
 $year	= GETPOST('year','int');
 
 // Clean up on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
     $sref='';
     $sprod_fulldescr='';
diff --git a/htdocs/societe/list.php b/htdocs/societe/list.php
index 252bfc9383c..f7a479b8ddf 100644
--- a/htdocs/societe/list.php
+++ b/htdocs/societe/list.php
@@ -209,7 +209,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Did we click on purge search criteria ?
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
         $search_nom='';
         $search_alias='';
diff --git a/htdocs/societe/price.php b/htdocs/societe/price.php
index d7b683f92e7..515aef60a6a 100644
--- a/htdocs/societe/price.php
+++ b/htdocs/societe/price.php
@@ -69,7 +69,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 
 if (empty($reshook))
 {
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
     {
         $search_prod = '';
     }
diff --git a/htdocs/supplier_proposal/list.php b/htdocs/supplier_proposal/list.php
index f6d9c9510a0..23a0fae1876 100644
--- a/htdocs/supplier_proposal/list.php
+++ b/htdocs/supplier_proposal/list.php
@@ -177,7 +177,7 @@ if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'e
 include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
 {
     $search_categ='';
     $search_user='';
diff --git a/htdocs/user/group/index.php b/htdocs/user/group/index.php
index e8d37801998..41eb7d0fa77 100644
--- a/htdocs/user/group/index.php
+++ b/htdocs/user/group/index.php
@@ -81,7 +81,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All test are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All test are required to be compatible with all browsers
     {
         $search_label="";
         $search_date_creation="";
diff --git a/htdocs/user/hierarchy.php b/htdocs/user/hierarchy.php
index 3e82e2b6357..59798d65e1a 100644
--- a/htdocs/user/hierarchy.php
+++ b/htdocs/user/hierarchy.php
@@ -47,7 +47,7 @@ $search_statut=GETPOST('search_statut','int');
 
 if ($search_statut == '') $search_statut='1';
 
-if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
+if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter','alpha')) // Both test are required to be compatible with all browsers
 {
 	$search_statut="";
 }
diff --git a/htdocs/user/index.php b/htdocs/user/index.php
index 54fffcd3fb7..631a75d47c4 100644
--- a/htdocs/user/index.php
+++ b/htdocs/user/index.php
@@ -148,7 +148,7 @@ if (empty($reshook))
     include DOL_DOCUMENT_ROOT.'/core/actions_changeselectedfields.inc.php';
 
     // Purge search criteria
-    if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter.x") ||GETPOST("button_removefilter")) // All tests are required to be compatible with all browsers
+    if (GETPOST('button_removefilter_x','alpha') || GETPOST('button_removefilter.x','alpha') ||GETPOST('button_removefilter','alpha')) // All tests are required to be compatible with all browsers
     {
     	$search_user="";
     	$search_login="";