// Определение позиции элемента
function getElementPosition(elemId)
{
var elem = document.getElementById(elemId);
var w = elem.offsetWidth;
var h = elem.offsetHeight;
var l = 0;
var t = 0;
while (elem)
{
l += elem.offsetLeft;
t += elem.offsetTop;
elem = elem.offsetParent;
}
return {"left":l, "top":t, "width":w, "height":h};
}
 
 
function show_aa() {
var obj = document.getElementById('aact2');
if (obj) {
curleft = getElementPosition('aact1').left;
curtop = getElementPosition('aact1').top;
obj.style.position='absolute';
obj.style.left=curleft-50;
obj.style.top=curtop+6;
obj.style.zIndex=1000;
obj.style.visibility='visible';
obj.style.display='block';
}
}