diff --git a/htdocs/adherents/fiche.php b/htdocs/adherents/fiche.php
index 24f0915cf86..0b1feaff879 100644
--- a/htdocs/adherents/fiche.php
+++ b/htdocs/adherents/fiche.php
@@ -613,7 +613,7 @@ if ($action == 'edit')
 
 	// Profil public
     print "<tr><td>".$langs->trans("Public")."</td><td>\n";
-    $htmls->select_YesNo($adh->public,"public");
+    print $htmls->select_YesNo($adh->public,"public");
     print "</td></tr>\n";
 
 	// Attributs supplémentaires
@@ -738,7 +738,7 @@ if ($action == 'create')
 
 	// Profil public
     print "<tr><td>".$langs->trans("Public")."</td><td>\n";
-    $htmls->select_YesNo($adh->public,"public");
+    print $htmls->select_YesNo($adh->public,"public");
     print "</td></tr>\n";
 
 
diff --git a/htdocs/adherents/type.php b/htdocs/adherents/type.php
index f0f1e5a682a..ad914af650a 100644
--- a/htdocs/adherents/type.php
+++ b/htdocs/adherents/type.php
@@ -204,11 +204,11 @@ if ($_GET["action"] == 'create')
 	print '<tr><td>'.$langs->trans("Label").'</td><td><input type="text" name="libelle" size="40"></td></tr>';  
 
 	print '<tr><td>'.$langs->trans("SubscriptionRequired").'</td><td>';
-	$htmls->selectyesnonum("cotisation",1);
+	print $htmls->selectyesnonum("cotisation",1);
 	print '</tr>';
 
 	print '<tr><td>'.$langs->trans("VoteAllowed").'</td><td>';
-	$htmls->selectyesnonum("vote",0);
+	print $htmls->selectyesnonum("vote",0);
 	print '</tr>';
 
 	print '<tr><td valign="top">'.$langs->trans("Comments").'</td><td>';
@@ -335,11 +335,11 @@ if ($rowid > 0)
         print '<tr><td>'.$langs->trans("Label").'</td><td><input type="text" name="libelle" size="40" value="'.$adht->libelle.'"></td></tr>';  
         
         print '<tr><td>'.$langs->trans("SubscriptionRequired").'</td><td>';
-        $htmls->selectyesnonum("cotisation",$adht->cotisation);
+        print $htmls->selectyesnonum("cotisation",$adht->cotisation);
         print '</tr>';
         
         print '<tr><td>'.$langs->trans("VoteAllowed").'</td><td>';
-        $htmls->selectyesnonum("vote",$adht->vote);
+        print $htmls->selectyesnonum("vote",$adht->vote);
         print '</tr>';
         
         print '<tr><td valign="top">'.$langs->trans("Comments").'</td><td>';
diff --git a/htdocs/admin/adherent.php b/htdocs/admin/adherent.php
index 086a0df1818..a7b10590091 100644
--- a/htdocs/admin/adherent.php
+++ b/htdocs/admin/adherent.php
@@ -129,7 +129,7 @@ print '<input type="hidden" name="action" value="update">';
 print '<input type="hidden" name="rowid" value="'.$rowid.'">';
 print '<input type="hidden" name="constname" value="ADHERENT_MAIL_REQUIRED">';
 print "<tr $bc[$var] class=value><td>".$langs->trans("AdherentMailRequired").'</td><td>';
-$form->selectyesnonum('constvalue',$conf->global->ADHERENT_MAIL_REQUIRED);
+print $form->selectyesnonum('constvalue',$conf->global->ADHERENT_MAIL_REQUIRED);
 print '</td><td align="center" width="80">';
 print '<input type="submit" class="button" value="'.$langs->trans("Update").'" name="Button">';
 print "</td></tr>\n";
@@ -144,7 +144,7 @@ if ($conf->banque->enabled)
     print '<input type="hidden" name="rowid" value="'.$rowid.'">';
     print '<input type="hidden" name="constname" value="ADHERENT_BANK_USE">';
     print "<tr $bc[$var] class=value><td>".$langs->trans("AddSubscriptionIntoAccount").'</td><td>';
-    $form->selectyesnonum('constvalue',$conf->global->ADHERENT_BANK_USE);
+    print $form->selectyesnonum('constvalue',$conf->global->ADHERENT_BANK_USE);
     print '</td><td align="center" width="80">';
     print '<input type="submit" class="button" value="'.$langs->trans("Update").'" name="Button">';
     print "</td></tr>\n";
@@ -297,7 +297,7 @@ function form_constantes($tableau){
       print '<td>';
       if ($obj->type == 'yesno')
 	{
-	  $form->selectyesnonum('constvalue',$obj->value);
+	  print $form->selectyesnonum('constvalue',$obj->value);
 	  print '</td><td>';
 	  $form->select_array('consttype',array('yesno','texte','chaine'),0);
 	}
diff --git a/htdocs/admin/compta.php b/htdocs/admin/compta.php
index 9d3bb889ffd..68bc1cf146b 100644
--- a/htdocs/admin/compta.php
+++ b/htdocs/admin/compta.php
@@ -133,7 +133,7 @@ if ($result)
 		print '<td>';
 		if ($obj->type == 'yesno')
 		{
-			$form->selectyesnonum('constvalue',$obj->value);
+			print $form->selectyesnonum('constvalue',$obj->value);
 		}
 		elseif ($obj->type == 'texte')
 		{
diff --git a/htdocs/admin/comptaexpert.php b/htdocs/admin/comptaexpert.php
index ff1bdde0896..9e8e74b015f 100644
--- a/htdocs/admin/comptaexpert.php
+++ b/htdocs/admin/comptaexpert.php
@@ -134,7 +134,7 @@ if ($result)
 		print '<td>';
 		if ($obj->type == 'yesno')
 		{
-			$form->selectyesnonum('constvalue',$obj->value);
+			print $form->selectyesnonum('constvalue',$obj->value);
 		}
 		elseif ($obj->type == 'texte')
 		{
diff --git a/htdocs/admin/const.php b/htdocs/admin/const.php
index 54cf01106a6..fc69f0e882b 100644
--- a/htdocs/admin/const.php
+++ b/htdocs/admin/const.php
@@ -125,7 +125,7 @@ if ($result)
       print '<td>';
       if ($obj->type == 'yesno')
 	{
-	  $form->selectyesnonum('constvalue',$obj->value);
+	  print $form->selectyesnonum('constvalue',$obj->value);
 	  print '</td><td>';
 	  $form->select_array('consttype',array('yesno','texte','chaine'),0);
 	}
diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index 56ca07501b0..1f38f520f2d 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -451,7 +451,7 @@ if ($_GET["id"])
             }
             elseif ($fieldlist[$field] == 'recuperableonly') {
                 print '<td>';
-                $html->selectyesno('recuperableonly','',1);
+                print $html->selectyesno('recuperableonly','',1);
                 print '</td>';
             }
             elseif ($fieldlist[$field] == 'nbjour') {
@@ -462,7 +462,7 @@ if ($_GET["id"])
             }
             elseif ($fieldlist[$field] == 'fdm') {
                 print '<td>';
-                $html->selectyesno('fdm','',1);
+                print $html->selectyesno('fdm','',1);
                 print '</td>';
             }
             elseif ($fieldlist[$field] == 'taux') {
diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index 5bdec59c9eb..a24ac796b53 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -107,29 +107,29 @@ if (isset($_GET["action"]) && $_GET["action"] == 'edit')
 
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("EnableMultilangInterface").'</td><td>';
-    $html->selectyesnonum('main_multilangs',$conf->global->MAIN_MULTILANGS);
+    print $html->selectyesnonum('main_multilangs',$conf->global->MAIN_MULTILANGS);
     print '</td></tr>';
 
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("ShowBugTrackLink").'</td><td>';
-    $html->selectyesnonum('main_show_bugtrack_link',$conf->global->MAIN_SHOW_BUGTRACK_LINK);
+    print $html->selectyesnonum('main_show_bugtrack_link',$conf->global->MAIN_SHOW_BUGTRACK_LINK);
     print '</td></tr>';
 
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("ShowWorkBoard").'</td><td>';
-    $html->selectyesnonum('main_show_workboard',$conf->global->MAIN_SHOW_WORKBOARD);
+    print $html->selectyesnonum('main_show_workboard',$conf->global->MAIN_SHOW_WORKBOARD);
     print '</td></tr>';
 
     // Désactiver javascript
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("DisableJavascript").'</td><td>';
-    $html->selectyesnonum('main_disable_javascript',isset($conf->global->MAIN_DISABLE_JAVASCRIPT)?$conf->global->MAIN_DISABLE_JAVASCRIPT:0);
+    print $html->selectyesnonum('main_disable_javascript',isset($conf->global->MAIN_DISABLE_JAVASCRIPT)?$conf->global->MAIN_DISABLE_JAVASCRIPT:0);
     print '</td></tr>';
     
     // Désactiver ajax
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("DisableAjax").'</td><td>';
-    $html->selectyesnonum('main_disable_ajax',isset($conf->global->MAIN_DISABLE_AJAX)?$conf->global->MAIN_DISABLE_AJAX:1);
+    print $html->selectyesnonum('main_disable_ajax',isset($conf->global->MAIN_DISABLE_AJAX)?$conf->global->MAIN_DISABLE_AJAX:1);
     print '</td></tr>';
     
     // Désactiver le calendrier popup
@@ -146,7 +146,7 @@ if (isset($_GET["action"]) && $_GET["action"] == 'edit')
     // Activer onglet preview
     $var=!$var;
     print '<tr '.$bc[$var].'><td width="35%">'.$langs->trans("UsePreviewTabs").'</td><td>';
-    $html->selectyesnonum('main_use_preview_tabs',isset($conf->global->MAIN_USE_PREVIEW_TABS)?$conf->global->MAIN_USE_PREVIEW_TABS:1);
+    print $html->selectyesnonum('main_use_preview_tabs',isset($conf->global->MAIN_USE_PREVIEW_TABS)?$conf->global->MAIN_USE_PREVIEW_TABS:1);
     print '</td></tr>';
     
     print '</table><br>';
@@ -165,7 +165,7 @@ if (isset($_GET["action"]) && $_GET["action"] == 'edit')
     {
         $var=!$var;
         print '<tr '.$bc[$var].'><td width="35%">'.$searchformtitle[$key].'</td><td>';
-        $html->selectyesnonum($searchform[$key],$searchformconst[$key]);
+        print $html->selectyesnonum($searchform[$key],$searchformconst[$key]);
         print '</td></tr>';
     }
     print '</table>';
diff --git a/htdocs/admin/societe.php b/htdocs/admin/societe.php
index 58e5fd5298c..fb4355e7a14 100644
--- a/htdocs/admin/societe.php
+++ b/htdocs/admin/societe.php
@@ -222,7 +222,7 @@ $var=!$var;
 print '<tr '.$bc[$var].' class="value">';
 print '<td nowrap="nowrap">'.$langs->trans("UseXXX")."</td>\n";
 print '<td>';
-$form->selectyesnonum('constvalue',! $conf->global->XXX);
+print $form->selectyesnonum('constvalue',! $conf->global->XXX);
 print '</td>';
 print '<td>'.$langs->trans("XXXDesc").'</td>';
 print '<td align="right">';
diff --git a/htdocs/compta/dons/fiche.php b/htdocs/compta/dons/fiche.php
index 99c257d29f4..3cf4072b4a5 100644
--- a/htdocs/compta/dons/fiche.php
+++ b/htdocs/compta/dons/fiche.php
@@ -213,7 +213,7 @@ if ($_GET["action"] == 'create')
     
     print "<tr><td>".$langs->trans("PublicDonation")."</td><td>";
     $html=new Form($db);
-    $html->selectyesno("public",1,1);
+    print $html->selectyesno("public",1,1);
     print "</td></tr>\n";
     
     print "<tr>".'<td>'.$langs->trans("Company").'</td><td><input type="text" name="societe" size="40"></td></tr>';
@@ -293,7 +293,7 @@ if ($_GET["rowid"] && $_GET["action"] == 'edit')
     
     print "<tr><td>".$langs->trans("PublicDonation")."</td><td>";
     $html=new Form($db);
-    $html->selectyesno("public",1,1);
+    print $html->selectyesno("public",1,1);
     print "</td>";
     print "</tr>\n";
     
diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index 33f3c184437..122eea0c09d 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -1200,7 +1200,7 @@ class Form
     function select_YesNo($selected='',$htmlname='yesno')
     {
         global $langs;
-        print '<select class="flat" name="'.$htmlname.'">';
+        $resultyesno = '<select class="flat" name="'.$htmlname.'">';
 		$options = array(
 					'-1'=>'&nbsp;',
 					'0'=>$langs->trans("No"),
@@ -1210,15 +1210,16 @@ class Form
         {
             if ($selected == $id)
             {
-                print '<option value="'.$id.'" selected="true">'.$value;
+                $resultyesno .= '<option value="'.$id.'" selected="true">'.$value;
             }
             else
             {
-                print '<option value="'.$id.'">'.$value;
+                $resultyesno .= '<option value="'.$id.'">'.$value;
             }
-            print '</option>';
+            $resultyesno .= '</option>';
         }
-        print '</select>';
+        $resultyesno .= '</select>';
+        return $resultyesno;
     }
     
     /**
@@ -2626,18 +2627,19 @@ class Form
         $no="0";
     }
 
-    print '<select class="flat" name="'.$name.'">'."\n";
+    $resultyesno = '<select class="flat" name="'.$name.'">'."\n";
     if (("$value" == 'yes') || ($value == 1))
     {
-        print '<option value="'.$yes.'" selected="true">'.$langs->trans("yes").'</option>'."\n";
-        print '<option value="'.$no.'">'.$langs->trans("no").'</option>'."\n";
+        $resultyesno .= '<option value="'.$yes.'" selected="true">'.$langs->trans("yes").'</option>'."\n";
+        $resultyesno .= '<option value="'.$no.'">'.$langs->trans("no").'</option>'."\n";
     }
     else
     {
-        print '<option value="'.$yes.'">'.$langs->trans("yes").'</option>'."\n";
-        print '<option value="'.$no.'" selected="true">'.$langs->trans("no").'</option>'."\n";
+        $resultyesno .= '<option value="'.$yes.'">'.$langs->trans("yes").'</option>'."\n";
+        $resultyesno .= '<option value="'.$no.'" selected="true">'.$langs->trans("no").'</option>'."\n";
     }
-    print '</select>'."\n";
+    $resultyesno .= '</select>'."\n";
+    return $resultyesno;
   }
 	
   /**
@@ -2647,7 +2649,8 @@ class Form
    */
   function selectyesnonum($name,$value='')
   {
-    $this->selectyesno($name,$value,1);
+    $resultyesno = $this->selectyesno($name,$value,1);
+    return $resultyesno;
   }
 	
   /**
@@ -3071,24 +3074,25 @@ class Form
     	                12=>"December"
     	                );
     	                
-    	print '<select class="flat" name="'.$htmlname.'">';
+    	$select_month = '<select class="flat" name="'.$htmlname.'">';
     	if ($useempty) 
       {
-        print '<option value="0">&nbsp;</option>';
+        $select_month .= '<option value="0">&nbsp;</option>';
       }
     	foreach ($month as $key => $val)
     	{
     		if ($selected == $val)
     		{
-    			print '<option val="'.$key.'" selected="true">';
+    			$select_month .= '<option val="'.$key.'" selected="true">';
     		}
     		else
     		{
-    			print '<option val="'.$key.'">';
+    			$select_month .= '<option val="'.$key.'">';
     		}
-        print $langs->trans($val);
+        $select_month .= $langs->trans($val);
       }
-      print '</select>';
+      $select_month .= '</select>';
+      return $select_month;
     }
 	
 }
diff --git a/htdocs/soc.php b/htdocs/soc.php
index 7c97f56d791..948fbb1e51d 100644
--- a/htdocs/soc.php
+++ b/htdocs/soc.php
@@ -382,7 +382,7 @@ if ($_POST["getcustomercode"] || $_POST["getsuppliercode"] ||
 		// Fournisseur
 		print '<tr>';
 		print '<td>'.$langs->trans('Supplier').'</td><td>';
-		$form->selectyesnonum("fournisseur",$soc->fournisseur);
+		print $form->selectyesnonum("fournisseur",$soc->fournisseur);
 		print '</td>';
 		print '<td>'.$langs->trans('SupplierCode').'</td><td>';
 		
@@ -527,7 +527,7 @@ if ($_POST["getcustomercode"] || $_POST["getsuppliercode"] ||
 		$html = new Form($db);
 		print '<tr><td>'.$langs->trans('VATIsUsed').'</td>';
 		print '<td>';
-		$html->select_YesNo("1",'assujtva_value');		// Assujeti par défaut en creation
+		print $html->select_YesNo("1",'assujtva_value');		// Assujeti par défaut en creation
 		print '</td>';
 
 		// Code TVA intra
@@ -710,7 +710,7 @@ elseif ($_GET["action"] == 'edit' || $_POST["action"] == 'edit')
         // Fournisseur
         print '<tr>';
         print '<td>'.$langs->trans('Supplier').'</td><td>';
-        $form->selectyesnonum("fournisseur",$soc->fournisseur);
+        print $form->selectyesnonum("fournisseur",$soc->fournisseur);
         print '</td>';
         print '<td>'.$langs->trans('SupplierCode').'</td><td>';
 
@@ -818,7 +818,7 @@ elseif ($_GET["action"] == 'edit' || $_POST["action"] == 'edit')
 
 		// Assujeti TVA
 		print '<tr><td>'.$langs->trans('VATIsUsed').'</td><td>';
-		$form->select_YesNo($soc->tva_assuj,'assujtva_value');
+		print $form->select_YesNo($soc->tva_assuj,'assujtva_value');
 		print '</td>';
 
 		// Code TVA intra
diff --git a/htdocs/user/fiche.php b/htdocs/user/fiche.php
index f21aad183c1..2c92db1d601 100644
--- a/htdocs/user/fiche.php
+++ b/htdocs/user/fiche.php
@@ -572,7 +572,7 @@ if (($action == 'create') || ($action == 'adduserldap'))
 	{
 		print '<tr><td valign="top">'.$langs->trans("Administrator").'</td>';
 		print '<td>';
-		$form->selectyesnonum('admin',0);
+		print $form->selectyesnonum('admin',0);
 		print "</td></tr>\n";
 	}
 	
@@ -1193,7 +1193,7 @@ else
                 print '<td>';
                 if ($user->admin)
                 {
-                    $form->selectyesnonum('admin',$fuser->admin);
+                    print $form->selectyesnonum('admin',$fuser->admin);
                 }
                 else
                 {