function ShowPopup(hoveritem, id)
{
hp = document.getElementById("hoverpopup_" + id);
ps = findPos(hoveritem);

// Set position of hover-over popup
hp.style.top = ps[1] + 18;
hp.style.left = ps[0] + 20;

// Set popup to visible
hp.style.visibility = "Visible";
}

function HidePopup(id)
{
hp = document.getElementById("hoverpopup_" + id);
hp.style.visibility = "Hidden";
}

function findPos(obj){
var posX = obj.offsetLeft;var posY = obj.offsetTop;
while(obj.offsetParent){
if(obj==document.getElementsByTagName('body')[0]){break}
else{
posX=posX+obj.offsetParent.offsetLeft;
posY=posY+obj.offsetParent.offsetTop;
obj=obj.offsetParent;
}
}
var posArray=[posX,posY]
return posArray;
}