/* ------------------------------------------------------------------------ */
/* Drop Down/ Overlapping Content- © Dynamic Drive (www.dynamicdrive.com)
/* This notice must stay intact for legal use.
/* Visit http://www.dynamicdrive.com/ for full source code
/* ------------------------------------------------------------------------ */

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;
}

var $link_status = 0;

function overlay(curobj, subobjstr, opt_position){
	if (document.getElementById){
		document.getElementById('stats').style.display=(document.getElementById('stats').style.display!="none")? "none" : "block";
		document.getElementById('stats_replace').style.display=(document.getElementById('stats_replace').style.display!="block")? "block" : "none";;
		var subobj=document.getElementById(subobjstr);
		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);
		subobj.style.left=xpos+"px";
		subobj.style.top=ypos+"px";
		/*yellow background for search link*/
		if ($link_status == 0){
			document.getElementById('search_link').style.backgroundColor = "#ffff00";
			$link_status = 1;
		} else {
			document.getElementById('search_link').style.backgroundColor = "transparent";
			$link_status = 0;
		}
		
		return false;
	}
	else
	return true;
}

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