if (document.images) {
	home_v = new Image();
	home = new Image();
	home_v.src = "images/nav_home_v.gif";
	home.src = "images/nav_home.gif";
	products_v = new Image();
	products = new Image();
	products_v.src = "images/nav_products_v.gif";
	products.src = "images/nav_products.gif";
	partners_v = new Image();
	partners = new Image();
	partners_v.src = "images/nav_partners_v.gif";
	partners.src = "images/nav_partners.gif";
	about_v = new Image();
	about = new Image();
	about_v.src = "images/nav_about_v.gif";
	about.src = "images/nav_about.gif";
	contact_v = new Image();
	contact = new Image();
	contact_v.src = "images/nav_contact_v.gif";
	contact.src = "images/nav_contact.gif";
	login_v = new Image();
	login = new Image();
	login_v.src = "images/nav_login_v.gif";
	login.src = "images/nav_login.gif";
}
function imgOn(imgIn) {
	if (document.images) {
		document[imgIn].src = eval(imgIn + "_v.src");
	}
}                        
function imgOff(imgIn) {
	if (document.images) {
		document[imgIn].src = eval(imgIn + ".src");
	}
}