function toggleLayer( whichLayer, moduleid, idcontent )
			{
			  var elem, vis;
			  if( document.getElementById ) // this is the way the standards work
			    elem = document.getElementById( whichLayer );
			  else if( document.all ) // this is the way old msie versions work
			      elem = document.all[whichLayer];
			  else if( document.layers ) // this is the way nn4 works
			    elem = document.layers[whichLayer];
			  vis = elem.style;
			  // if the style.display value is blank we try to figure it out here
			  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
			    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
			  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
			  document.location ='/main/deliver/content/id/'+ moduleid + '/idcontent/'+ idcontent + '/week/1'
			}
			
			
			function toggleForm( whichLayer )
			{
			  var elem, vis;
			  if( document.getElementById ) // this is the way the standards work
			    elem = document.getElementById( whichLayer );
			  else if( document.all ) // this is the way old msie versions work
			      elem = document.all[whichLayer];
			  else if( document.layers ) // this is the way nn4 works
			    elem = document.layers[whichLayer];
			  vis = elem.style;
			  // if the style.display value is blank we try to figure it out here
			  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
			    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
			  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
			}
			
			function toggleBg( whichLayer )
			{
				el = document.getElementById( whichLayer );
				//alert(el.className);
			    if(el.className == "off") {
					el.setAttribute("class", "on");
				} else {
					el.setAttribute("class", "off");					
				}
							
			}
			
			function checkedAll (frm1, topElement) {
				
				var checked = false;
				var aa= document.getElementById(frm1);
				var top = document.getElementById(topElement);
				
				if(top.checked == true)
				{
					checked = true
				}
				else
				{
					checked = false
				}
				for (var i =0; i < aa.elements.length; i++) 
				{
					aa.elements[i].checked = checked
				}
			 }
	
function confirmDelete() {

   	if (confirm("Delete this item, are you sure ?")) {
    	return true;  
	}
	else
	{
		return false;
	}
}