var obj;

function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobj,left,top,timer){
if (subobj == "more1" )
{
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more1').style.visibility='visible';
}
if (subobj == "more2" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more2').style.visibility='visible';
}
if (subobj == "more3" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more3').style.visibility='visible';
}
if (subobj == "more4" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more4').style.visibility='visible';
}
if (subobj == "more5" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more5').style.visibility='visible';
}
if (subobj == "more6" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more7').style.visibility='hidden';
	document.getElementById('more6').style.visibility='visible';
}
if (subobj == "more7" )
{
	document.getElementById('more1').style.visibility='hidden';
	document.getElementById('more2').style.visibility='hidden';
	document.getElementById('more3').style.visibility='hidden';
	document.getElementById('more4').style.visibility='hidden';
	document.getElementById('more5').style.visibility='hidden';
	document.getElementById('more6').style.visibility='hidden';
	document.getElementById('more7').style.visibility='visible';
}


if (document.getElementById){
obj = subobj
overlaycloseAuto(obj,timer);
var subobj=document.getElementById(subobj)
subobj.style.left=getposOffset(curobj, "left")+left+"px"
subobj.style.top=getposOffset(curobj, "top")-top+"px"
subobj.style.display="block"
return false
}
else
return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display="none";
}

function overlaycloseAuto(obj,timer){
setTimeout("overlayclose(obj);",60000);
document.getElementById(obj).style.display="none"
}