function changeOver(name, directory, layer)
{
	if(document.layers && layer != null)
		eval('document.' + layer + '.document.images[name].src = directory + name + "Over.gif"');
	else
		document.images[name].src = directory + name + "Over.gif";
}


function changeOut(name, directory, layer) 
{
	if(document.layers && layer != null)
		eval('document.' + layer + '.document.images[name].src = directory + name + "Active.gif"');
	else
		document.images[name].src = directory + name + "Active.gif";
}


function changeGlobalOver(name, menu)
{
	if(menu != null)
		showMenu(menu);
	
	changeOver(name, "../images/globalNav/", menu);
}


function changeGlobalOut(name, menu)
{
	if (menu != null)
		hideMenu(menu);
	
	changeOut(name, "../images/globalNav/", menu);
}


function preloadImages(imageList) 
{
	loadedImages = new Array();
    
	for(i=0; i<imageList.length; i++) {
    	loadedImages[i] = new Image();
    	loadedImages[i].src = imageList[i];
	}
	
	
}