/**
 * @author Ralf Schreijer <ralf.schreijer@gmx.de>
 */
var timer;
var delay = 500;
var ie50 = false;

function delayAndHide(){
	if(ie50) return;
    timer = window.setTimeout("slideOut()",delay);
}

function slideOut(){
   if(ie50) return;
   for (var i = 0; i < document.getElementsByTagName("div").length; i++){
        if (document.getElementsByTagName("div")[i].id.substring(0,7) == "submenu") {
        	document.getElementsByTagName("div")[i].style.display = "none";
        }
    }
    window.clearTimeout(timer);
}

function slideIn(subMenuID){
	if(ie50) return;
    slideOut();
    var item = document.getElementById(subMenuID);
	item.style.display = "inline";
}

function hideAlternativeMenu(){
	if(ie50) return;
	document.getElementById("altsubmenu").style.display = "none";
}

if(navigator.appName.indexOf("Explorer") != -1){
	if(navigator.appVersion.indexOf("MSIE 5.0") != -1){
		ie50 = true;
	}
}