if (document.images) {

	var home=new Image(); 
	var credits=new Image(); 
	var resume=new Image();
	var favor=new Image(); 
	var album=new Image(); 

	home.src= "images/homeh.gif";
	credits.src= "images/creditsh.gif";
	resume.src= "images/resumeh.gif";
	favor.src= "images/favorh.gif";
	album.src= "images/albumh.gif";
}