var ImagePath = "images/layout";

home = new Image(65, 20);
home_over = new Image(65, 20);
login = new Image(81, 18);
login_over = new Image(81, 18);
logout = new Image(76, 16);
logout_over = new Image(76, 16);
cart = new Image(68, 15);
cart_over = new Image(68, 15);
support = new Image(40, 18);
support_over = new Image(40, 18);
contactus = new Image(65, 18);
contactus_over = new Image(65, 18);
myaccount = new Image(76, 16);
myaccount_over = new Image(76, 16);

home.src = ImagePath + "/home.gif";
home_over.src = ImagePath + "/home-over.gif";
login.src = ImagePath + "/login.gif";
login_over.src = ImagePath + "/login-over.gif";
logout.src = ImagePath + "/logout.gif";
logout_over.src = ImagePath + "/logout-over.gif";
cart.src = ImagePath + "/cart.gif";
cart_over.src = ImagePath + "/cart-over.gif";
support.src = ImagePath + "/support.gif";
support_over.src = ImagePath + "/support-over.gif";
contactus.src = ImagePath + "/contactus.gif";
contactus_over.src = ImagePath + "/contactus-over.gif";
myaccount.src = ImagePath + "/my account.gif";
myaccount_over.src = ImagePath + "/my account-over.gif";

function Roll(ImageNumber, ImageName)
{
	document.images[ImageNumber].src = ImageName.src;
}