diff --git a/etemplate/inc/class.manual_widget.inc.php b/etemplate/inc/class.manual_widget.inc.php
index 185f4a9b60..42e7d9a851 100644
--- a/etemplate/inc/class.manual_widget.inc.php
+++ b/etemplate/inc/class.manual_widget.inc.php
@@ -82,11 +82,11 @@
 			{
 				$link['referer'] = ($_SERVER['HTTPS'] ? 'https://' : 'http://').$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
 			}
-			$link = $GLOBALS['egw']->link('/index.php',$link);
+			$link = egw::link('/index.php',$link);
 
 			$cell['type'] = 'button';
 			$cell['size'] = 'manual-small';
-			$cell['onclick'] = "window.open('$link','manual','width=800,height=600,scrollbars=yes,resizable=yes'); return false;";
+			$cell['onclick'] = $GLOBALS['egw']->framework->open_manual_js($link).'; return false;';
 			if (!$cell['label']) $cell['label'] = 'Manual';
 			if (!$cell['help']) $cell['help'] = /*lang(*/'Open the online help.'/*)*/;
 			
diff --git a/phpgwapi/inc/class.egw_framework.inc.php b/phpgwapi/inc/class.egw_framework.inc.php
index c1982d28b8..7ddc508468 100644
--- a/phpgwapi/inc/class.egw_framework.inc.php
+++ b/phpgwapi/inc/class.egw_framework.inc.php
@@ -964,6 +964,13 @@ abstract class egw_framework
 
 		return $content;
 	}
+	
+	/**
+	 * Return javascript (eg. for onClick) to open manual with given url
+	 * 
+	 * @param string $url
+	 */
+	abstract function open_manual_js($url);
 }
 
 /**
diff --git a/phpgwapi/templates/idots/class.idots_framework.inc.php b/phpgwapi/templates/idots/class.idots_framework.inc.php
index 131ef1ced2..08e3634d2c 100644
--- a/phpgwapi/templates/idots/class.idots_framework.inc.php
+++ b/phpgwapi/templates/idots/class.idots_framework.inc.php
@@ -746,4 +746,15 @@ class idots_framework extends egw_framework
 		}
 		return $this->tpl->parse('out',$block);
 	}
+	
+	/**
+	 * Return javascript (eg. for onClick) to open manual with given url
+	 * 
+	 * @param string $url
+	 * @return string
+	 */
+	function open_manual_js($url)
+	{
+		return "egw_openWindowCentered2('$url','manual',800,600,'yes')";
+	}
 }