//To control the drop-down menu
var Navmenu = 
{
	sfEls: null,
	
	init: function()
	{
		if ($('mainNav')) {
			Navmenu.sfEls = $$('li.top');
			for (var i=0; i<Navmenu.sfEls.length; i++) {
				Event.observe(Navmenu.sfEls[i], 'mouseover', Navmenu.over.bindAsEventListener(Navmenu.sfEls[i]));
			}
			Event.observe($('mainNav'), 'mouseout', Navmenu.out);
		}		
	},
	
	over: function() 
	{
		for (var i=0; i<Navmenu.sfEls.length; i++) {
			if (!Navmenu.sfEls[i].hasClassName("active")) {
				Navmenu.sfEls[i].removeClassName("nonactive");
			} else if (Navmenu.sfEls[i].hasClassName("active")) {
				Navmenu.sfEls[i].removeClassName("active");
			}
		}
		this.addClassName("active");
		for (var i=0; i<Navmenu.sfEls.length; i++) {
			if (!Navmenu.sfEls[i].hasClassName("active")) {
				Navmenu.sfEls[i].addClassName("nonactive");
			}
		}
	},
	
	out: function() 
	{
		for (var i=0; i<Navmenu.sfEls.length; i++) {
			if (!Navmenu.sfEls[i].hasClassName("active")) {
				Navmenu.sfEls[i].removeClassName("nonactive");
			} else if (Navmenu.sfEls[i].hasClassName("active")) {
				Navmenu.sfEls[i].removeClassName("active");
			}
		}
	}
}
Event.observe(window, 'load', Navmenu.init);

//Functions to control external links
var ExternalLinks = 
{
	init: function() 
	{
		var extLinks = $$('a.external');
		
		for (i=0; i<extLinks.length; i++)
		{
			Event.observe(extLinks[i], 'click', ExternalLinks.openNew.bindAsEventListener(extLinks[i]));	
		}
	},
	
	openNew: function(event) 
	{
		open(this.href);
		Event.stop(event);
	}
}
Event.observe(window, 'load', ExternalLinks.init);


function openWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}