function load_nav_images(){
	//pre-load side navigation initial state images
		//create image objects
		nav_about_init = new Image();
		nav_new_init = new Image();
		nav_autoi_init = new Image();
		nav_homei_init = new Image();
		nav_busi_init = new Image();
		nav_faq_init = new Image();
		nav_common_init = new Image();
		nav_contact_init = new Image();
		home_auto_init = new Image();
		home_business_init = new Image();
		home_home_init = new Image();
		//assign sources
		nav_about_init.src = "nav_images/nav_about.jpg";
		nav_new_init.src = "nav_images/nav_new.jpg";
		nav_autoi_init.src = "nav_images/nav_autoi.jpg";
		nav_homei_init.src = "nav_images/nav_homei.jpg";
		nav_busi_init.src = "nav_images/nav_busi.jpg";
		nav_faq_init.src = "nav_images/nav_faq.jpg";
		nav_common_init.src = "nav_images/nav_common.jpg";
		nav_contact_init.src = "nav_images/nav_contact.jpg";
		home_auto_init.src = "nav_images/home_auto.jpg";
		home_business_init.src = "nav_images/home_business.jpg";
		home_home_init.src = "nav_images/home_home.jpg";
		
	//pre-load side navigation glow state images
		//create image objects
		nav_about_glow = new Image();
		nav_new_glow = new Image();
		nav_autoi_glow = new Image();
		nav_homei_glow = new Image();
		nav_busi_glow = new Image();
		nav_faq_glow = new Image();
		nav_common_glow = new Image();
		nav_contact_glow = new Image();
		home_auto_glow = new Image();
		home_business_glow = new Image();
		home_home_glow = new Image();
		//assign sources
		nav_about_glow.src = "nav_images/nav_glow_about.jpg";
		nav_new_glow.src = "nav_images/nav_glow_new.jpg";
		nav_autoi_glow.src = "nav_images/nav_glow_autoi.jpg";
		nav_homei_glow.src = "nav_images/nav_glow_homei.jpg";
		nav_busi_glow.src = "nav_images/nav_glow_busi.jpg";
		nav_faq_glow.src = "nav_images/nav_glow_faq.jpg";
		nav_common_glow.src = "nav_images/nav_glow_common.jpg";
		nav_contact_glow.src = "nav_images/nav_glow_contact.jpg";
		home_auto_glow.src = "nav_images/home_glow_auto.jpg";
		home_business_glow.src = "nav_images/home_glow_business.jpg";
		home_home_glow.src = "nav_images/home_glow_home.jpg";
}

function glow(id,on){
	image = eval(id + (on == 1 ? "_glow.src" : "_init.src"));
	document.getElementById(id).src = image;
}

function view_map(map,width,height){
	window.open(map, 'map_popup', 'status=0, width=' + width + ', height=' + height + ', resizable=0');
}