var isLoaded = false;

function image_swap(in_name,in_state) {
	if (!isLoaded) {
		return true;
	}
	document.images[in_name].src = eval(in_name + "_" + in_state + ".src");
}

nav_services_off = new Image;
nav_services_on = new Image;
nav_services_off.src = js_root + "images/nav_services_off.gif";
nav_services_on.src = js_root + "images/nav_services_on.gif";

nav_clients_off = new Image;
nav_clients_on = new Image;
nav_clients_off.src = js_root + "images/nav_clients_off.gif";
nav_clients_on.src =  js_root + "images/nav_clients_on.gif";

nav_products_off = new Image;
nav_products_on = new Image;
nav_products_off.src = js_root + "images/nav_products_off.gif";
nav_products_on.src =  js_root + "images/nav_products_on.gif";

nav_about_us_off = new Image;
nav_about_us_on = new Image;
nav_about_us_off.src = js_root + "images/nav_about_us_off.gif";
nav_about_us_on.src =  js_root + "images/nav_about_us_on.gif";

nav_contact_off = new Image;
nav_contact_on = new Image;
nav_contact_off.src = js_root + "images/nav_contact_off.gif";
nav_contact_on.src =  js_root + "images/nav_contact_on.gif";

isLoaded = true;