if (document.images) {
	
	// sidenav rollovers
	
	var products = new Image();
	products.src = "images/nav_buttons_products.gif";
	var products_over = new Image();
	products_over.src = "images/nav_buttons_products_over.gif";
	
	var about = new Image();
	about.src = "images/nav_buttons_about.gif";
	var about_over = new Image();
	about_over.src = "images/nav_buttons_about_over.gif";
	
	var testimonials = new Image();
	testimonials.src = "images/nav_buttons_testimonials.gif";
	var testimonials_over = new Image();
	testimonials_over.src = "images/nav_buttons_testimonials_over.gif";
	
	var contact = new Image();
	contact.src = "images/nav_buttons_contact.gif";
	var contact_over = new Image();
	contact_over.src = "images/nav_buttons_contact_over.gif";
	
	var home = new Image();
	home.src = "images/nav_buttons_home.gif";
	var home_over = new Image();
	home_over.src = "images/nav_buttons_home_over.gif";
	
	
}

function RollOver(imgName) {
	if (document.images) {
			document[imgName].src = eval(imgName + "_over.src");
	}
}
function RollOut(imgName) {
	if (document.images) {
			document[imgName].src = eval(imgName + ".src");
	}
}