function Obj(id){
	if(document.getElementById) return document.getElementById(id);
	else if(document.all) return document.all[id];
}

function SwitchMenu(obj){
	var src = obj.src;
	obj.src = obj.src.replace(".png", "-over.png");

	obj.onmouseout = function(){
		obj.src = src;
	}
}

function Highlight(obj, color) {
	obj.style.background = color;
	obj.onmouseout = function(){
		obj.style.background = "";
	}
}

function FindPos(obj){
	var curleft = 0;
	var curtop = 0;
	
	if(obj.offsetParent){
		do{
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		}
		while(obj = obj.offsetParent);
	}
	return [curleft,curtop];
}

function GetX(id){
	var a = 0;
	var obj = document.getElementById(id);
	
	while(obj != null){
		a += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return a;
}


var timer;
function subMenu(status){
	if(status.length != 0){
		window.clearTimeout(timer);
		timer = null;

		document.getElementById('submenu').style.left = GetX("api");
		document.getElementById('submenu').style.display='block';
	}
	else{
		timer = window.setTimeout("document.getElementById('submenu').style.display='none';", 500);
	}
}