// For Internet Explorer
if((navigator.appName == "Microsoft Internet Explorer" || navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4)){
	var arrMenu = new Array("not use","","","");
	var curLevel = 0;
	var maxLevel = 1;
	
	function falsefunc(){ return false; }
	
	function popUp(obj,name,level,x,y,e){
		document.onmouseover = falsefunc;
		for(i=level;i<=maxLevel;i++){
			if(arrMenu[i] != ""){ document.getElementById(arrMenu[i]).style.visibility = "hidden"; }
		}
		curLevel = level;
		arrMenu[curLevel] = name;
		document.getElementById(name).style.visibility = "visible";
		var curleft = curtop = 0;
		if(obj.offsetParent){
			curleft = obj.offsetLeft;
			curtop = obj.offsetTop;
			
			//document.getElementById("TEST").innerHTML = curleft + " : " + curtop + " : " + e;
			
			while(obj = obj.offsetParent){
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
			}
		}
		document.getElementById(name).style.left = (curleft + x) + 'px';
		document.getElementById(name).style.top = (curtop + y) + e + 'px';
	}
	
	function popDown(level){
		for(i=level;i<=maxLevel;i++){
			if(arrMenu[i] != ""){ document.getElementById(arrMenu[i]).style.visibility = "hidden"; }
		}
	}
}else{
// For Firefox
	var arrMenu = new Array("not use","","","");
	var curLevel = 0;
	var maxLevel = 1;
	
	function falsefunc(){ return false; }
	
	function popUp(obj,name,level,x,y,e){
		document.onmouseover = falsefunc;
		for(i=level;i<=maxLevel;i++){
			if(arrMenu[i] != ""){ document.getElementById(arrMenu[i]).style.visibility = "hidden"; }
		}
		curLevel = level;
		arrMenu[curLevel] = name;
		document.getElementById(name).style.visibility = "visible";
		var curleft = curtop = 0;
		if(obj.offsetParent){
			curleft = obj.offsetLeft;
			curtop = obj.offsetTop;
			
			//document.getElementById("TEST").innerHTML = curleft + " : " + curtop + " : " + e;
			while(obj = obj.offsetParent){
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
			}
		}
		document.getElementById(name).style.left = (curleft + x) + 'px';
		document.getElementById(name).style.top = (curtop + y) + e + 'px';
	}
	
	function popDown(level){
		for(i=level;i<=maxLevel;i++){
			if(arrMenu[i] != ""){ document.getElementById(arrMenu[i]).style.visibility = "hidden"; }
		}
	}
}