<!-- 

	if (document.images)	{


	var about_on=new Image();
	about_on.src="images/nav_about_on.gif";
	var about_off=new Image();
	about_off.src="images/nav_about.gif";
	
	var gallery_on=new Image();
	gallery_on.src="images/nav_gallery_on.gif";
	var gallery_off=new Image();
	gallery_off.src="images/nav_gallery.gif";
	
	var classroom_on=new Image();
	classroom_on.src="images/nav_classroom_on.gif";
	var classroom_off=new Image();
	classroom_off.src="images/nav_classroom.gif";

	var apply_on=new Image();
	apply_on.src="images/nav_apply_on.gif";
	var apply_off=new Image();
	apply_off.src="images/nav_apply.gif";
	
	var support_on=new Image();
	support_on.src="images/nav_support_on.gif";
	var support_off=new Image();
	support_off.src="images/nav_support.gif";
	
	var contact_on=new Image();
	contact_on.src="images/nav_contact_on.gif";
	var contact_off=new Image();
	contact_off.src="images/nav_contact.gif";

	
	}

	function rollon (imgName)	{
		if (document.images)	{
			document.images[imgName].src = "images/nav_" + imgName + "_on.gif";
		}
	}
	
	function rolloff (imgName)	{
		if (document.images)	{
			document.images[imgName].src = "images/nav_" + imgName + ".gif";
		}
	}
	//-->