// JavaScript Document
liste = ["trio_links", "repertoire_links", "presse_links", "aktuelles_links", "freunde_links", "impressum_links"];
function div_ref(id) {             
	if (document.getElementById) return document.getElementById(id);      
}
function move(){
	if(event.clientY < 180){
		for (var i = 0; i < liste.length; i++){
			if(i != which){
				document.getElementById(liste[i]).style.visibility = "visible";
			}
		}
	} else{
		for (var i = 0; i < liste.length; i++){
			if(i != which){
				document.getElementById(liste[i]).style.visibility = "hidden";
			}
		}
	}
}
function init(){
	var ua = navigator.userAgent.toLowerCase();
	if(ua.indexOf("msie") > -1 && ua.indexOf("opera") <= -1) {
		document.onmousemove = move;
		if(which > -1){
			document.getElementById(liste[which]).style.visibility = "visible";
		}
	}		
}