// JavaScript Document

//roll over for menu images
function roll(img_name, img_src){
	
   document[img_name].src = img_src;

}

//image pre-loader for navigation menu
function preloader() {

	nav1b = new Image(); 
	nav1b.src = "images/navigation/who2.jpg";

	nav2b = new Image(); 
	nav2b.src = "images/navigation/services2.jpg";
	
	nav3b = new Image(); 
	nav3b.src = "images/navigation/portfolio2.jpg";
	
	nav4b = new Image(); 
	nav4b.src = "images/navigation/contact2.jpg";
	
	nav5b = new Image(); 
	nav5b.src = "images/navigation/home2.jpg";	
}