function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}

function sh(element,block_or_none) {
		document.getElementById(element).style.display = block_or_none;
		}




function positionIFrame(divid, frmid)
{
	var div = document.getElementById(divid);
	var frm = document.getElementById(frmid);
	frm.style.left = div.style.left;
	frm.style.top = div.style.top;
	frm.style.height = div.offsetHeight;
	frm.style.width = div.offsetWidth;
	frm.style.display = "block";	
}


//findPosX and findPosY are included only to put the div over the dropdownbox.
//They are not necessary in order to position the iFrame under the div
function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function positionDiv(divid, frmid)
{	
	var div = document.getElementById(divid);
	div.style.left=findPosX(document.getElementById("slct"))+ 5 + "px";
	div.style.top=findPosY(document.getElementById("slct"))+ 5 + "px";
	positionIFrame(divid, frmid);
}