function highlight( id, flag ) {

	var obj = document.getElementById( id );
	var style = flag? 'cellActive' : 'cellNormal';
	obj.className = style;
}
function detail( id ) {

	var Hallen = id.split("_");
	var URL = 'index.php?id=3&halle='+ Hallen[0] + '&raum=' + Hallen[1];
	location.href= URL;	
}