// JavaScript Document

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function menuon(obj, id, id_aux){
	document.getElementById(id).style.display="block"
	document.getElementById(id).style.top = findPosY(obj)+33 + "px"
	document.getElementById(id).style.left = findPosX(obj)+1 + "px"
	mudalinkon(id_aux)
	}
	
function menuoff(id, id_aux){
	document.getElementById(id).style.display="none"
	mudalinkoff(id_aux)
	}

function mudalinkon(id){
	document.getElementById(id).style.backgroundPosition = '0px -33px' 
	}
	
function mudalinkoff(id){
	document.getElementById(id).style.backgroundPosition = '0px 0px'
	}