var CurOpened = null;
var CurMenu = -1;

function getElementPosition(elemID) 
{ 
  var offsetTrail = document.getElementById(elemID); 
  var offsetLeft = 0; var offsetTop = 0; 
  while (offsetTrail) 
   { 
     offsetLeft += offsetTrail.offsetLeft; 
     offsetTop += offsetTrail.offsetTop; 
     offsetTrail = offsetTrail.offsetParent; 
   } 
  return {left:offsetLeft, top:offsetTop}; 
}


function MainToggle(itemNo) 
{	
   menobj=document.getElementById("men" + itemNo);
   obj=document.getElementById("sub" + itemNo);
   if(obj)
   {
		visible=(obj.style.display!="none")
		if (visible) 
		{
			obj.style.display="none";
			CurOpened = null;
		} 
		else 
		{
						
			if(CurOpened != null)
			{
			     CurOpened.style.display="none";
			}
			var position = getElementPosition("men" + itemNo);
			obj.style.display="block";
			obj.style.top = position.top+40;
			obj.style.left = position.left;
			if (obj.offsetWidth < menobj.offsetWidth)
			{
				obj.style.width = menobj.offsetWidth;
			}
			CurOpened = obj;
		}
	    CurMenu = itemNo;
	}
	return false;
}
function Redirect(cat_id)
{
	var category = cat_id;
	document.location.href="default.aspx?p=articles&c="+category;
}