var navT;


function MouseeOverA(obj,txt)
{
	clearTimeout(navT);
	var subNav = document.getElementById("subNav");
	subNav.style.left = getLeft(obj);
	subNav.innerHTML=txt;
}

function MouseOutA()
{
	navT=setTimeout('document.getElementById("subNav").innerHTML="";',500);
}

function MouseOverB()
{	
	window.clearTimeout(navT);
}
//获取元素的横坐标
function getLeft(e){
    var offset=e.offsetLeft;
    if(e.offsetParent!=null) offset+=getLeft(e.offsetParent);
    return offset;
}

//获取元素的横坐标
function getRight(e){
    var offset=e.offsetRight;
    if(e.offsetParent!=null) offset+=getRight(e.offsetParent);
    return offset;
}