var markAction = new Object;
markAction.markItemLocked = new Array();
	function markItem(actionUrl,contentId){
		if(markAction.markItemLocked[contentId] != true)
		{
			new Ajax.Request(actionUrl, 
			{onComplete: markAction.markItemCallBack
			, method: 'post'});
		}
		markAction.markItemLocked[contentId] = true;
	}
 markAction.markItemCallBack = function(){
		alert(unescape("Der Inhalt wurde in deiner Merk-Liste hinzugef%FCgt"));
	}