if (document.images) {
	gearon 		= new Image(); 
	 	gearon.src 		= "http://stu.aii.edu/~mis411/php/images/navigation/gear_yellow.gif";
	gearoff		= new Image(); 
		gearoff.src 	= "http://stu.aii.edu/~mis411/php/images/navigation/gear_white.gif";
	support_contactson 	= new Image();  
		support_contactson.src 	= "http://stu.aii.edu/~mis411/php/images/navigation/support_contacts_yellow.gif";
	support_contactsoff	= new Image();    
		support_contactsoff.src = "http://stu.aii.edu/~mis411/php/images/navigation/support_contacts_white.gif";
	neia_contactson 	= new Image();  
		neia_contactson.src 	= "http://stu.aii.edu/~mis411/php/images/navigation/neia_contacts_yellow.gif";
	neia_contactsoff	= new Image();    
		neia_contactsoff.src = "http://stu.aii.edu/~mis411/php/images/navigation/neia_contacts_white.gif";
	technology_requeston 	= new Image();  
		technology_requeston.src 	= "http://stu.aii.edu/~mis411/php/images/navigation/technology_request_yellow.gif";
	technology_requestoff	= new Image();    
		technology_requestoff.src = "http://stu.aii.edu/~mis411/php/images/navigation/technology_request_white.gif";
	lab_scheduleson 	= new Image();  
		lab_scheduleson.src 	= "http://stu.aii.edu/~mis411/php/images/navigation/lab_schedules_yellow.gif";
	lab_schedulesoff	= new Image();    
		lab_schedulesoff.src = "http://stu.aii.edu/~mis411/php/images/navigation/lab_schedules_white.gif";

	function rollover(the_source, the_state) {
		document.images[the_source].src = eval( the_source + the_state + ".src");
	}
}