function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
}

/***********************************************
* Email a friend script
***********************************************/

function EmailLink(){
window.location = "mailto:"+"?subject=International Federation on Ageing 10th Global Conference: I thought this link might interest you." + "&body= "+document.title+"  "+window.location;
}

/***********************************************
* Bookmark site script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

function bookmarksite(title, url){
if (document.all)
window.external.AddFavorite(url, title);
else if (window.sidebar)
window.sidebar.addPanel(title, url, "")
}

// JavaScript functions to show and hide drop-down menus.
// In SimpleNavBar.html we call ShowMenuDiv each time the mouse goes over 
// either the menu title or the submenu itself, and call HideMenuDiv when the
// mouse goes out of the menu title or the submenu iteslf (onMouseOut).

function ShowItem (itemID) {
  var x = document.getElementById(itemID);
  if (x)
    x.style.display = "block";
  return true;
}

function HideItem (itemID) { 
  var x = document.getElementById(itemID);
  if (x)
     x.style.display = "none";
  return true;
}

//    As noted in the SimpleNavBarStyles.css file, using x.style.visibility as
//    seen below seemed to have better cross browser support than using 
//    x.style.display="block" and x.style.display="none" to show and hide 
//    the menu.

$('#nav-program').hover(ShowItem('program-sub'), HideItem('program-sub'));