diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 17b351a8a3d..c233eaab416 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1770,9 +1770,40 @@ class Form
 		{
 			$pageyes=$page.'&action='.$action.'&confirm=yes';
 			$pageno=($useajax == 2?$page.'&confirm=no':'');
-			// Note: Title is not used by dialogConfirm function
-			print '<script type="text/javascript">window.onload = function(){ dialogConfirm(\''.$title.'\',\''.$pageyes.'\',\''.$pageno.'\',\''.dol_escape_js('<b>'.$title.'</b><br>'.$more.$question).'\',\''.$langs->trans("Yes").'\',\''.$langs->trans("No").'\',\'validate\'); }</script>';
-			//			print '<script id="eee" type="text/javascript">dialogConfirm(\'aaa\',\'bbb\',\'ccc\',\'eee\',\'yyy\',\'zzz\',\'validate\')</script>';
+
+			// Old code using PWC + Prototype
+            //print '<script type="text/javascript">window.onload = function(){ dialogConfirm(\''.$title.'\',\''.$pageyes.'\',\''.$pageno.'\',\''.dol_escape_js('<b>'.$title.'</b><br>'.$more.$question).'\',\''.$langs->trans("Yes").'\',\''.$langs->trans("No").'\',\'validate\'); }</script>';
+			//print '<script id="eee" type="text/javascript">dialogConfirm(\'aaa\',\'bbb\',\'ccc\',\'eee\',\'yyy\',\'zzz\',\'validate\')</script>';
+
+			// New code using jQuery only
+			print '<div id="dialog-confirm" title="'.dol_escape_htmltag($title).'">';
+            print img_help('','').' '.$more.$question;
+			print '</div>'."\n";
+			print '<script type="text/javascript">
+                var choice=\'ko\';
+			    jQuery("#dialog-confirm").dialog({
+			        autoOpen: true,
+			        resizable: false,
+			        height:160,
+			        width:580,
+			        modal: true,
+			        closeOnEscape: false,
+			        close: function(event, ui) {
+			             if (choice == \'ok\') location.href=\''.$pageyes.'\';
+                         '.($pageno?'if (choice == \'ko\') location.href=\''.$pageno.'\';':'').'
+		              },
+			        buttons: {
+			            \''.dol_escape_js($langs->trans("Yes")).'\': function() {
+			                 choice=\'ok\';
+			                jQuery(this).dialog(\'close\');
+			            },
+			            \''.dol_escape_js($langs->trans("No")).'\': function() {
+			                 choice=\'ko\';
+			                jQuery(this).dialog(\'close\');
+			            }
+			        }
+			    });
+			</script>';
 
 			print "\n";
 			$ret='ajax';