diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index cb0ab675301..ba445cb2c09 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -95,20 +95,39 @@ if ($_POST['action'] == 'confirm_delete' && $_POST['confirm'] == 'yes')
   exit;
 }
 
-if ($_POST['action'] == 'confirm_deleteproductline' && $_POST['confirm'] == 'yes' && $conf->global->PRODUIT_CONFIRM_DELETE_LINE)
+/*
+ *  Supprime une ligne produit SANS confirmation
+ */
+if ($_GET['action'] == 'deleteline' && $user->rights->propale->creer && !$conf->global->PRODUIT_CONFIRM_DELETE_LINE)
+{
+	$propal = new Propal($db);
+	$propal->fetch($_GET['propalid']);
+	$propal->delete_product($_GET['ligne']);
+	if ($_REQUEST['lang_id'])
+	{
+		$outputlangs = new Translate(DOL_DOCUMENT_ROOT ."/langs",$conf);
+		$outputlangs->setDefaultLang($_REQUEST['lang_id']);
+	}
+	propale_pdf_create($db, $propal->id, $propal->modelpdf, $outputlangs);
+}
+
+/*
+ *  Supprime une ligne produit AVEC confirmation
+ */
+if ($_REQUEST['action'] == 'confirm_deleteline' && $_REQUEST['confirm'] == 'yes' && $conf->global->PRODUIT_CONFIRM_DELETE_LINE)
 {
   if ($user->rights->propale->creer)
+  {
+  	$propal = new Propal($db);
+    $propal->fetch($_GET['propalid']);
+    $result=$propal->delete_product($_GET['ligne']);
+    if ($_REQUEST['lang_id'])
     {
-      $propal = new Propal($db);
-      $propal->fetch($_GET['propalid']);
-      $result=$propal->delete_product($_GET['ligne']);
-      if ($_REQUEST['lang_id'])
-	{
-	  $outputlangs = new Translate(DOL_DOCUMENT_ROOT ."/langs",$conf);
-	  $outputlangs->setDefaultLang($_REQUEST['lang_id']);
-	}
-      propale_pdf_create($db, $propal->id, $propal->modelpdf, $outputlangs);
+    	$outputlangs = new Translate(DOL_DOCUMENT_ROOT ."/langs",$conf);
+    	$outputlangs->setDefaultLang($_REQUEST['lang_id']);
     }
+    propale_pdf_create($db, $propal->id, $propal->modelpdf, $outputlangs);
+  }
   Header('Location: '.$_SERVER["PHP_SELF"].'?propalid='.$_GET['propalid']);
   exit;
 }
@@ -598,23 +617,6 @@ if ($_REQUEST['action'] == 'builddoc' && $user->rights->propale->creer)
 	} 
 }
 
-
-if ($_GET['action'] == 'del_ligne' && $user->rights->propale->creer && !$conf->global->PRODUIT_CONFIRM_DELETE_LINE)
-{
-	/*
-	*  Supprime une ligne produit dans la propale
-	*/
-	$propal = new Propal($db);
-	$propal->fetch($_GET['propalid']);
-	$propal->delete_product($_GET['ligne']);
-	if ($_REQUEST['lang_id'])
-	{
-		$outputlangs = new Translate(DOL_DOCUMENT_ROOT ."/langs",$conf);
-		$outputlangs->setDefaultLang($_REQUEST['lang_id']);
-	}
-	propale_pdf_create($db, $propal->id, $propal->modelpdf, $outputlangs);
-}
-
 if ($_POST['action'] == 'classin')
 {
   $propal = new Propal($db);
@@ -726,11 +728,11 @@ if ($_GET['propalid'] > 0)
     }
   
   /*
-   * Confirmation de la suppression d'une ligne produit
+   * Confirmation de la suppression d'une ligne produit/service
    */
-  if ($_GET['action'] == 'delete_product_line' && $conf->global->PRODUIT_CONFIRM_DELETE_LINE)
+  if ($_GET['action'] == 'ask_deleteline' && $conf->global->PRODUIT_CONFIRM_DELETE_LINE)
     {
-      $html->form_confirm($_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&ligne='.$_GET["ligne"], $langs->trans('DeleteProductLine'), $langs->trans('ConfirmDeleteProductLine'), 'confirm_deleteproductline');
+      $html->form_confirm($_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&ligne='.$_GET["ligne"], $langs->trans('DeleteProductLine'), $langs->trans('ConfirmDeleteProductLine'), 'confirm_deleteline');
       print '<br>';
     }
   
@@ -1162,13 +1164,23 @@ if ($_GET['propalid'] > 0)
 					print '<td align="center">';
 					if ($conf->global->PRODUIT_CONFIRM_DELETE_LINE)
 					{
-						print '<a href="'.$_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&amp;action=delete_product_line&amp;ligne='.$objp->rowid.'">';
+						if ($conf->use_ajax)
+						{
+							$url = $_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&ligne='.$objp->rowid.'&action=confirm_deleteline&confirm=yes';
+							print '<a href="#" onClick="confirmDelete(\''.$url.'\',\''.$langs->trans('ConfirmDeleteProductLine').'\',\''.$langs->trans("Yes").'\',\''.$langs->trans("No").'\')">';
+							print img_delete();
+						}
+						else
+						{
+							print '<a href="'.$_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&amp;action=ask_deleteline&amp;ligne='.$objp->rowid.'">';
+							print img_delete();
+						}
 					}
 					else
 					{
-						print '<a href="'.$_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&amp;action=del_ligne&amp;ligne='.$objp->rowid.'">';
+						print '<a href="'.$_SERVER["PHP_SELF"].'?propalid='.$propal->id.'&amp;action=deleteline&amp;ligne='.$objp->rowid.'">';
+						print img_delete();
 					}
-					print img_delete();
 					print '</a></td>';
 					if ($num > 1)
 					{
diff --git a/htdocs/lib/lib_head.js b/htdocs/lib/lib_head.js
index cc2b8a6cb47..52105418761 100644
--- a/htdocs/lib/lib_head.js
+++ b/htdocs/lib/lib_head.js
@@ -648,4 +648,21 @@ function cleanSerialize(expr) {
 	var liste1 = expr.replace(reg, ",");
 	var liste = liste1.replace(reg2, "");
 	return liste;
+}
+
+/*=================================================================
+	Purpose:  Affiche un message de confirmation
+	Input:    linkurl,message,ok,cancel
+	Author:   Regis Houssin
+	Licence:  GPL
+==================================================================*/
+function confirmDelete(linkurl,message,ok,cancel) {
+	Dialog.confirm(message, {
+		width:300,
+		okLabel: ok,
+		cancelLabel: cancel,
+		buttonClass: "button",
+		cancel:function(win){},
+		ok:function(win) {window.location.href=linkurl; return true;} 
+	});
 }
\ No newline at end of file
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index e118f6daf42..3eb074a64a0 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -653,6 +653,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0)
     // Style sheets pour la class Window
     print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/theme/common/window/default.css">'."\n";
     print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/theme/common/window/alphacube.css">'."\n";
+    print '<link rel="stylesheet" type="text/css" href="'.DOL_URL_ROOT.'/theme/common/window/alert.css">'."\n";
 
     // Definition en alternate style sheet des feuilles de styles les plus maintenues
     // Les navigateurs qui supportent sont rares. Plus aucun connu.
@@ -676,7 +677,6 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0)
         print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/scriptaculous.js"></script>'."\n";
         print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/effects.js"></script>'."\n";
         print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/controls.js"></script>'."\n";
-        //print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/prototip.js"></script>'."\n";
         print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/window/window.js"></script>'."\n";
         print '<script language="javascript" type="text/javascript" src="'.DOL_URL_ROOT.'/includes/scriptaculous/src/window/tooltip.js"></script>'."\n";
         
diff --git a/htdocs/theme/common/window/alert/bottom.gif b/htdocs/theme/common/window/alert/bottom.gif
new file mode 100644
index 00000000000..9870f5224ab
Binary files /dev/null and b/htdocs/theme/common/window/alert/bottom.gif differ
diff --git a/htdocs/theme/common/window/alert/bottom_left.gif b/htdocs/theme/common/window/alert/bottom_left.gif
new file mode 100644
index 00000000000..583f113faf4
Binary files /dev/null and b/htdocs/theme/common/window/alert/bottom_left.gif differ
diff --git a/htdocs/theme/common/window/alert/bottom_right.gif b/htdocs/theme/common/window/alert/bottom_right.gif
new file mode 100644
index 00000000000..230ba12bedb
Binary files /dev/null and b/htdocs/theme/common/window/alert/bottom_right.gif differ
diff --git a/htdocs/theme/common/window/alert/left.gif b/htdocs/theme/common/window/alert/left.gif
new file mode 100644
index 00000000000..4a3fab52023
Binary files /dev/null and b/htdocs/theme/common/window/alert/left.gif differ
diff --git a/htdocs/theme/common/window/alert/overlay.png b/htdocs/theme/common/window/alert/overlay.png
new file mode 100644
index 00000000000..2f3344e5cbb
Binary files /dev/null and b/htdocs/theme/common/window/alert/overlay.png differ
diff --git a/htdocs/theme/common/window/alert/progress.gif b/htdocs/theme/common/window/alert/progress.gif
new file mode 100644
index 00000000000..529e72f45a2
Binary files /dev/null and b/htdocs/theme/common/window/alert/progress.gif differ
diff --git a/htdocs/theme/common/window/alert/right.gif b/htdocs/theme/common/window/alert/right.gif
new file mode 100644
index 00000000000..85ba9e2a56a
Binary files /dev/null and b/htdocs/theme/common/window/alert/right.gif differ
diff --git a/htdocs/theme/common/window/alert/top.gif b/htdocs/theme/common/window/alert/top.gif
new file mode 100644
index 00000000000..8f6193664b7
Binary files /dev/null and b/htdocs/theme/common/window/alert/top.gif differ
diff --git a/htdocs/theme/common/window/alert/top_left.gif b/htdocs/theme/common/window/alert/top_left.gif
new file mode 100644
index 00000000000..fabb33a189b
Binary files /dev/null and b/htdocs/theme/common/window/alert/top_left.gif differ
diff --git a/htdocs/theme/common/window/alert/top_right.gif b/htdocs/theme/common/window/alert/top_right.gif
new file mode 100644
index 00000000000..9fec6fa2b34
Binary files /dev/null and b/htdocs/theme/common/window/alert/top_right.gif differ