//global variable to capture restore image URL

 
//preload images
	nav_off = new Image(800,64);
	nav_off.src = nav_off_img;
	nav_home_on = new Image(800, 64);
	nav_home_on.src = "/images/nav_home_on.gif";
	nav_about_on = new Image(800, 64);
	nav_about_on.src = "/images/nav_about_on.gif";
	nav_why_on = new Image(800, 64);
	nav_why_on.src ="/images/nav_why_on.gif";
	nav_cause_on = new Image(800, 64);
	nav_cause_on.src = "/images/nav_causechallenge_on.gif";
	nav_faq_on = new Image(800, 64);
	nav_faq_on.src = "/images/nav_faq_on.gif";
	nav_testimonials_on = new Image(800,64);
	nav_testimonials_on.src = "/images/nav_testimonials_on.gif";
	nav_order_on = new Image(800,64);
	nav_order_on.src = "/images/nav_order_on.gif";
	nav_bp_home_on = new Image(800, 64);
	nav_bp_home_on.src = "/images/nav_bp_home_on.gif";
	nav_bp_about_on = new Image(800, 64);
	nav_bp_about_on.src = "/images/nav_bp_about_on.gif";
	nav_bp_why_on = new Image(800, 64);
	nav_bp_why_on.src ="/images/nav_bp_why_on.gif";
	nav_bp_cause_on = new Image(800, 64);
	nav_bp_cause_on.src = "/images/nav_bp_causechallenge_on.gif";
	nav_bp_faq_on = new Image(800, 64);
	nav_bp_faq_on.src = "/images/nav_bp_faq_on.gif";
	nav_bp_testimonials_on = new Image(800,64);
	nav_bp_testimonials_on.src = "/images/nav_bp_testimonials_on.gif";
	nav_bp_order_on = new Image(800,64);
	nav_bp_order_on.src = "/images/nav_bp_order_on.gif";

//swap

function swap(name){
	document.getElementById("navigation").src = "/images/" + name + ".gif";
	//alert("images/" + name + ".gif");
	// document["navigation"].src = eval("images/" + name + ".gif");
}
	
function restore(){
	document.getElementById("navigation").src = "/" + nav_off_img;
	//document["navigation"].src = eval("nav_off.html");
}