/***********************************************
* 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;
}

function overlay(curobj, subobjstr, opt_position){

if (document.getElementById){
var subobj=document.getElementById(subobjstr)

x = document.getElementById('leftNav_height');
	myHeight = x.offsetHeight;
	subobj.style.height = myHeight+10;

subobj.style.display=(subobj.style.display!="block")? "block" : "none"
//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="115px"
	if(document.getElementById(subobjstr+'_box').className=="leftNav_link"){

		document.getElementById(subobjstr+'_box').className="leftNav_link_active"
	}else{
		document.getElementById(subobjstr+'_box').className="leftNav_link"
	}
	
return false
}
else
return true
}

function overlayclose(subobj){
	document.getElementById(subobj).style.display="none";
	document.getElementById(subobj+'_box').className="leftNav_link"
}


function onloadInit(){

	x = document.getElementById('leftNav_height');
	myHeight = x.offsetHeight;
	
}