diff --git a/htdocs/accountancy/admin/account.php b/htdocs/accountancy/admin/account.php
index 36739254d06..0c2a825604b 100644
--- a/htdocs/accountancy/admin/account.php
+++ b/htdocs/accountancy/admin/account.php
@@ -88,7 +88,7 @@ if ($action == 'disable') {
 	}
 }
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_account="";
     $search_label="";
@@ -220,4 +220,4 @@ if ($result) {
 }
 
 llxFooter();
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index 21da5bacbb9..b2acc60fb6a 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -51,7 +51,7 @@ $offset = $conf->liste_limit * $page;
 
 $formventilation = new FormVentilation($db);
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_doc_type="";
     $search_doc_ref="";
@@ -231,4 +231,4 @@ else {
 }
 
 llxFooter();
-$db->close();
\ No newline at end of file
+$db->close();
diff --git a/htdocs/adherents/list.php b/htdocs/adherents/list.php
index 887bac4e1e7..b70e212d2d2 100644
--- a/htdocs/adherents/list.php
+++ b/htdocs/adherents/list.php
@@ -59,7 +59,7 @@ $pagenext = $page + 1;
 if (! $sortorder) { $sortorder=($filter=='outofdate'?"ASC":"DESC"); }
 if (! $sortfield) { $sortfield=($filter=='outofdate'?"d.datefin":"d.lastname"); }
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search="";
 	$search_ref="";
diff --git a/htdocs/comm/action/listactions.php b/htdocs/comm/action/listactions.php
index 53243d0c165..245902013a1 100644
--- a/htdocs/comm/action/listactions.php
+++ b/htdocs/comm/action/listactions.php
@@ -100,7 +100,7 @@ if (! $user->rights->agenda->allactions->read || $filter=='mine')	// If no permi
 }
 
 // Purge search criteria
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $datestart='';
     $dateend='';
diff --git a/htdocs/comm/list.php b/htdocs/comm/list.php
index ce7eb82f9a1..b35e4fab7cc 100644
--- a/htdocs/comm/list.php
+++ b/htdocs/comm/list.php
@@ -75,7 +75,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters);    // Note that $a
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_sale="";
 	$search_categ="";
diff --git a/htdocs/comm/prospect/list.php b/htdocs/comm/prospect/list.php
index 113618ffae8..3501d94aafd 100644
--- a/htdocs/comm/prospect/list.php
+++ b/htdocs/comm/prospect/list.php
@@ -154,7 +154,7 @@ $sts = array(-1,0,1,2,3);
 $hookmanager->initHooks(array('prospectlist'));
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $socname="";
 	$stcomm="";
diff --git a/htdocs/commande/list.php b/htdocs/commande/list.php
index b152a38db02..2c30f4128c6 100644
--- a/htdocs/commande/list.php
+++ b/htdocs/commande/list.php
@@ -70,7 +70,7 @@ $limit = $conf->liste_limit;
 $viewstatut=GETPOST('viewstatut');
 
 // Purge search criteria
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_categ='';
     $search_user='';
diff --git a/htdocs/compta/bank/search.php b/htdocs/compta/bank/search.php
index 1e8196481e6..127e428162c 100644
--- a/htdocs/compta/bank/search.php
+++ b/htdocs/compta/bank/search.php
@@ -73,7 +73,7 @@ $limit = $conf->liste_limit;
 if (! $sortorder) $sortorder='DESC';
 if (! $sortfield) $sortfield='b.dateo';
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$description="";
 	$type="";
diff --git a/htdocs/compta/deplacement/list.php b/htdocs/compta/deplacement/list.php
index 42a6713c1ce..e34e7c2b3a6 100644
--- a/htdocs/compta/deplacement/list.php
+++ b/htdocs/compta/deplacement/list.php
@@ -57,7 +57,7 @@ $limit = $conf->liste_limit;
 $year=GETPOST("year");
 $month=GETPOST("month");
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_name="";
diff --git a/htdocs/compta/dons/list.php b/htdocs/compta/dons/list.php
index 174b5357bb2..95011ca0b74 100644
--- a/htdocs/compta/dons/list.php
+++ b/htdocs/compta/dons/list.php
@@ -50,7 +50,7 @@ $search_amount = GETPOST('search_amount','alpha');
 
 if (!$user->rights->don->lire) accessforbidden();
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_company="";
diff --git a/htdocs/compta/facture/impayees.php b/htdocs/compta/facture/impayees.php
index c762aac5702..a010e7d7401 100644
--- a/htdocs/compta/facture/impayees.php
+++ b/htdocs/compta/facture/impayees.php
@@ -374,7 +374,7 @@ $search_montant_ttc = GETPOST("search_montant_ttc");
 $late = GETPOST("late");
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_ref='';
     $search_refcustomer='';
diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index ba27f5659a9..56bd57c725a 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -111,7 +111,7 @@ $reshook=$hookmanager->executeHooks('doActions',$parameters,$object,$action);
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_categ='';
     $search_user='';
diff --git a/htdocs/compta/paiement/cheque/list.php b/htdocs/compta/paiement/cheque/list.php
index 47a6ee8ba74..fdfe86ec178 100644
--- a/htdocs/compta/paiement/cheque/list.php
+++ b/htdocs/compta/paiement/cheque/list.php
@@ -61,7 +61,7 @@ $checkdepositstatic=new RemiseCheque($db);
 $accountstatic=new Account($db);
 
 // If click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test 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 65615b9bbf3..c7fd426babf 100644
--- a/htdocs/compta/paiement/list.php
+++ b/htdocs/compta/paiement/list.php
@@ -58,7 +58,7 @@ $limit = $conf->liste_limit;
 if (! $sortorder) $sortorder="DESC";
 if (! $sortfield) $sortfield="p.rowid";
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_account="";
diff --git a/htdocs/compta/prelevement/list.php b/htdocs/compta/prelevement/list.php
index 0a68aa686ae..921736faedf 100644
--- a/htdocs/compta/prelevement/list.php
+++ b/htdocs/compta/prelevement/list.php
@@ -53,7 +53,7 @@ $ligne=new LignePrelevement($db,$user);
 
 $offset = $conf->liste_limit * $page ;
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test 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 17c3efdbfaa..678b3bfaa2e 100644
--- a/htdocs/compta/salaries/index.php
+++ b/htdocs/compta/salaries/index.php
@@ -64,7 +64,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both 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 db4bef2abe6..31e98370003 100644
--- a/htdocs/compta/sociales/index.php
+++ b/htdocs/compta/sociales/index.php
@@ -68,7 +68,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both 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 ebba3888004..45a69076492 100644
--- a/htdocs/compta/tva/reglement.php
+++ b/htdocs/compta/tva/reglement.php
@@ -66,7 +66,7 @@ else
 	$typeid=$_REQUEST['typeid'];
 }
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_label="";
diff --git a/htdocs/contrat/list.php b/htdocs/contrat/list.php
index b1b28192395..debe18e995e 100644
--- a/htdocs/contrat/list.php
+++ b/htdocs/contrat/list.php
@@ -58,7 +58,7 @@ $result = restrictedArea($user, 'contrat', $id);
 $staticcontrat=new Contrat($db);
 $staticcontratligne=new ContratLigne($db);
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_name="";
 	$search_contract="";
diff --git a/htdocs/contrat/services.php b/htdocs/contrat/services.php
index b0fb4ed5edb..22ae64ef9cd 100644
--- a/htdocs/contrat/services.php
+++ b/htdocs/contrat/services.php
@@ -69,7 +69,7 @@ $staticcontrat=new Contrat($db);
 $staticcontratligne=new ContratLigne($db);
 $companystatic=new Societe($db);
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both 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 79e5ae5b1a4..3c2844f3fe4 100644
--- a/htdocs/cron/list.php
+++ b/htdocs/cron/list.php
@@ -64,7 +64,7 @@ $pageprev = $page - 1;
 $pagenext = $page + 1;
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_label='';
 	$status=-1;
diff --git a/htdocs/expedition/list.php b/htdocs/expedition/list.php
index af1d244e0d0..0722dedddf4 100644
--- a/htdocs/expedition/list.php
+++ b/htdocs/expedition/list.php
@@ -52,7 +52,7 @@ if (! $sortorder) $sortorder="DESC";
 $limit = $conf->liste_limit;
 
 // Purge search criteria
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_ref_exp='';
     $search_ref_liv='';
diff --git a/htdocs/fichinter/list.php b/htdocs/fichinter/list.php
index a6d3f9720ec..9030cd9c4ac 100644
--- a/htdocs/fichinter/list.php
+++ b/htdocs/fichinter/list.php
@@ -62,7 +62,7 @@ $search_desc=GETPOST('search_desc','alpha');
 $search_status=GETPOST('search_status');
 $sall=GETPOST('sall');
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_company="";
diff --git a/htdocs/fourn/commande/list.php b/htdocs/fourn/commande/list.php
index ab0fd08d3f0..6affbae3045 100644
--- a/htdocs/fourn/commande/list.php
+++ b/htdocs/fourn/commande/list.php
@@ -58,7 +58,7 @@ if ($user->societe_id) $socid=$user->societe_id;
 $result = restrictedArea($user, 'fournisseur', $orderid, '', 'commande');
 
 // Purge search criteria
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_ref='';
     $search_refsupp='';
diff --git a/htdocs/fourn/facture/impayees.php b/htdocs/fourn/facture/impayees.php
index 2767c792f9e..83d4b830c5f 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"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$search_ref_supplier="";
diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index 57100bd98f0..65428cd138e 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -459,7 +459,7 @@ if (empty($action))
     $search_amount=GETPOST('search_amount');
     $search_company=GETPOST('search_company');
 	
-	if (GETPOST("button_removefilter"))
+	if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 	{
 		$search_ref="";
 		$search_account="";
diff --git a/htdocs/fourn/list.php b/htdocs/fourn/list.php
index 296415c1aee..b0d7caf8695 100644
--- a/htdocs/fourn/list.php
+++ b/htdocs/fourn/list.php
@@ -60,7 +60,7 @@ if (! $sortfield) $sortfield="nom";
 // Initialize technical object to manage hooks of thirdparties. Note that conf->hooks_modules contains array array
 $hookmanager->initHooks(array('supplierlist'));
 
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$socname="";
 	$search_name="";
diff --git a/htdocs/holiday/index.php b/htdocs/holiday/index.php
index e988e640711..86c4eca49eb 100644
--- a/htdocs/holiday/index.php
+++ b/htdocs/holiday/index.php
@@ -64,7 +64,7 @@ $search_employe  = GETPOST('search_employe');
 $search_valideur = GETPOST('search_valideur');
 $search_statut   = GETPOST('select_statut');
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
 	$search_ref="";
 	$month_create="";
diff --git a/htdocs/product/stock/mouvement.php b/htdocs/product/stock/mouvement.php
index 06e089c5209..83d856ed0cc 100644
--- a/htdocs/product/stock/mouvement.php
+++ b/htdocs/product/stock/mouvement.php
@@ -60,7 +60,7 @@ $offset = $conf->liste_limit * $page;
 if (! $sortfield) $sortfield="m.datem";
 if (! $sortorder) $sortorder="DESC";
 
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $year='';
     $month='';
diff --git a/htdocs/societe/consumption.php b/htdocs/societe/consumption.php
index f89212e5fbc..d5ef1af6dbb 100644
--- a/htdocs/societe/consumption.php
+++ b/htdocs/societe/consumption.php
@@ -58,7 +58,7 @@ $month	= GETPOST('month','int');
 $year	= GETPOST('year','int');
 
 // Clean up on purge search criteria ?
-if (GETPOST("button_removefilter"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $sref='';
     $sprod_fulldescr='';
diff --git a/htdocs/societe/societe.php b/htdocs/societe/societe.php
index f0b3532018b..2d046a3ec16 100644
--- a/htdocs/societe/societe.php
+++ b/htdocs/societe/societe.php
@@ -153,7 +153,7 @@ llxHeader('',$langs->trans("ThirdParty"),$help_url);
 
 
 // Do we click on purge search criteria ?
-if (GETPOST("button_removefilter_x"))
+if (GETPOST("button_removefilter_x") || GETPOST("button_removefilter")) // Both test are required to be compatible with all browsers
 {
     $search_categ='';
     $search_sale='';