function getAbsoluteX (elm) {
var x = 0;
if (elm && typeof elm.offsetParent != "undefined") {
while (elm && typeof elm.offsetLeft == "number") {
x += elm.offsetLeft;
elm = elm.offsetParent;
}
}
return x;
}

function getAbsoluteY(elm) {
var y = 0;
if (elm && typeof elm.offsetParent != "undefined") {
while (elm && typeof elm.offsetTop == "number") {
y += elm.offsetTop;
elm = elm.offsetParent;
}
}
return y;
}