var isOpera, isIE, isNav, isFox, isOther = false;
if (navigator.userAgent.indexOf("Opera")!=-1) {
 isOpera = true;
} else if (navigator.userAgent.indexOf("Firefox")!=-1) {
 isFox = true;
} else if (navigator.appName == "Microsoft Internet Explorer") {
 isIE = true;
} else if (navigator.appName == "Netscape") {
 isNav = true;
} else {
 isOther = true;
}

function drawDiv(e)
{

if (isIE)
{
 OffsetX = window.event.x;
 OffsetY = window.event.y;
} else {
 OffsetX = e.pageX - document.getElementById("imgs").offsetLeft;
 OffsetY = e.pageY - document.getElementById("imgs").offsetTop;
}

var x = document.getElementById("popup")
x.style.display = 'block'

if (OffsetX<840)
{
    x.style.left = OffsetX + 10
}
else
{
    x.style.left = OffsetX - 130
}
    x.style.top = OffsetY + 10

var _x = Math.floor(OffsetX/13) + 1
var _y = Math.floor(OffsetY/13) + 1

if (_y==134 && _x>25)
{
    _x = _y = "超出范围";
}

var ytext = document.getElementById("Ytext")
ytext.innerHTML = "<B>行</B>：" +_y
     

var xtext = document.getElementById("Xtext")
xtext.innerHTML = "<B>列</B>：" +_x
}

就没有人能帮帮我吗？