//Preload RollOver Images For Menu
var rNavHome = new Rollover("imgNavHome", "../images/MenuImages/ButtonHomeRoll.jpg");
var rNavAbout = new Rollover("imgNavAbout", "../images/MenuImages/ButtonAboutRoll.jpg");
var rNavCatalog = new Rollover("imgNavCatalog", "../images/MenuImages/ButtonProductRoll.jpg");
var rNavPressRoom = new Rollover("imgNavPressRoom", "../images/MenuImages/ButtonPressRoomRoll.jpg");
var rNavContactUs = new Rollover("imgNavContactUs", "../images/MenuImages/ButtonContactUsRoll.jpg");
var rNavLogin = new Rollover("imgNavLogin", "../images/MenuImages/ButtonLoginRoll.jpg");
var rNavLogOut = new Rollover("imgNavLogOut", "../images/MenuImages/ButtonLogoutRoll.jpg");
var rNavCart = new Rollover("imgNavCart", "../images/MenuImages/ButtonCartRoll.jpg");
var rNavLiterature = new Rollover("imgNavLiterature", "../images/MenuImages/ButtonLiteratureRoll.jpg");

function imgRolloverOn() {
    this.imgSave = document.images[this.imgName].src;
    document.images[this.imgName].src = this.imgOn.src;
}

function imgRolloverOff() {
    document.images[this.imgName].src = this.imgSave;
}

function Rollover(imgName, on) {
    this.imgName = imgName;
    this.imgOn = new Image();
    this.imgOn.src = on;
    this.on = imgRolloverOn;
    this.off = imgRolloverOff;
}

function Navigate() {
    var number = NavSelect.selectedIndex;
    location.href = NavSelect.options[number].value;
}