function getposOffset(overlay, offsettype)
{
	/*alert('offsettype = '+offsettype);
	alert('overlay = '+overlay.id);*/
	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, subobjstr, opt_position)
{
	if (document.getElementById)
	{
		
		/*for(c=0;c<6;c++)
		{
			var nam = subobjstr.substr(0,subobjstr.length-1)+c
			document.getElementById(nam).style.display="none"
		}*/
		var d = document.getElementsByTagName('div');
		for(c=0;c<d.length;c++)
		{
			if(d[c].getAttribute('title') == "popup")
			{
				d[c].style.display="none";
			}
		}
		var subobj=document.getElementById(subobjstr)
		//alert('subOBJ = '+subobj.id);
		subobj.style.display=(subobj.style.display!="block")? "block" : "none";
		var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
		var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
		//alert('left '+xpos);
		subobj.style.left=xpos+parseInt('13')+"px"
		subobj.style.top=ypos+"px"
		return false
	}
	else
		return true
}

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