if (document.images){
	
		b_home_on			= new Image;
		b_home_off			= new Image;
		b_examples_on			= new Image;
		b_examples_off			= new Image;
		b_howitworks_on		= new Image;
		b_howitworks_off		= new Image;
		b_register_on		= new Image;
		b_register_off		= new Image;
		b_resources_on		= new Image;
		b_resources_off		= new Image;
		b_signin_on		= new Image;
		b_signin_off		= new Image;
		b_contactus_on		= new Image;
		b_contactus_off		= new Image;
		b_sitemap_on		= new Image;
		b_sitemap_off		= new Image;
		b_newsletters_on		= new Image;
		b_newsletters_off		= new Image;
		

		b_home_on.src		= "/Image/b_home_on.jpg";
		b_home_off.src		= "/Image/b_home_off.jpg";
		b_examples_on.src		= "/Image/b_examples_on.jpg";
		b_examples_off.src		= "/Image/b_examples_off.jpg";
		b_howitworks_on.src	= "/Image/b_howitworks_on.jpg";
		b_howitworks_off.src	= "/Image/b_howitworks_off.jpg";
		b_register_on.src	= "/Image/b_register_on.jpg";
		b_register_off.src	= "/Image/b_register_off.jpg";
		b_resources_on.src	= "/Image/b_resources_on.jpg";
		b_resources_off.src	= "/Image/b_resources_off.jpg";
		b_signin_on.src	= "/Image/b_signin_on.jpg";
		b_signin_off.src	= "/Image/b_signin_off.jpg";
		b_contactus_on.src	= "/Image/b_contactus_on.jpg";
		b_contactus_off.src	= "/Image/b_contactus_off.jpg";
		b_sitemap_on.src	= "/Image/b_sitemap_on.jpg";
		b_sitemap_off.src	= "/Image/b_sitemap_off.jpg";
		b_newsletters_on.src	= "/Image/b_newsletters_on.jpg";
		b_newsletters_off.src	= "/Image/b_newsletters_off.jpg";
		
	
}

function rollNav(x,y){
	if (document.images){
		document[x].src = eval(y +".src");
	}
}