Index: trunk/kernel/admin_templates/incs/script.js
===================================================================
diff -u -r4996 -r5026
--- trunk/kernel/admin_templates/incs/script.js	(.../script.js)	(revision 4996)
+++ trunk/kernel/admin_templates/incs/script.js	(.../script.js)	(revision 5026)
@@ -944,4 +944,35 @@
    } else {
       el.removeEventListener(evname, func, true);
    }
-	};*/
\ No newline at end of file
+	};*/
+	
+	function setCookie($Name, $Value)
+	{
+		// set cookie
+		if(getCookie($Name) != $Value)
+		{
+			document.cookie = $Name+'='+escape($Value)+'; path=' + $base_path + '/';
+		}
+	}
+	
+	function getCookie($Name)
+	{
+		// get cookie
+		var $cookieString = document.cookie;
+		var $index = $cookieString.indexOf($Name+'=');
+		if($index == -1) return null;
+	
+		$index = $cookieString.indexOf('=',$index)+1;
+		var $endstr = $cookieString.indexOf(';',$index);
+		if($endstr == -1) $endstr = $cookieString.length;
+		return unescape($cookieString.substring($index, $endstr)); 
+	}
+	
+	function deleteCookie($Name)
+	{
+		// deletes cookie
+		if (getCookie($Name))
+	    {
+	    	document.cookie = $Name+'=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';
+	    }
+	}
\ No newline at end of file