function popUpWindow(event){
	fenster(this.href, 600, 1000);
	return false;
}

function setpopUpLinks(){	
		var x = document.getElementsByTagName('area');
		for (var i=0;i<x.length;i++){
			x[i].onclick = popUpWindow;
		}	
}
 window.setTimeout("setpopUpLinks();",500);