//preload images
if (document.images) {
    logohover = new Image(390, 78);
    logohover.src = "../images/logohover.jpg";
    navhover = new Image(180, 22);
    navhover.src = "../images/navbubbles.png";
    buttonglow = new Image(80, 22);
    buttonglow.src = "../images/buttonglow.png";
}

//menu
function ShowServicesMenu() {
    document.getElementById("ServicesLink").style.backgroundImage = "url('/Resources/images/navbubbles.png')";
    document.getElementById("PageContactDrop").style.height = "0px";
    document.getElementById("PageServicesDrop").style.height = "44px";
}

function ShowContactMenu() {
    document.getElementById("ContactLink").style.backgroundImage = "url('/Resources/images/navbubbles.png')";
//    document.getElementById("PageServicesDrop").style.height = "0px";
    document.getElementById("PageContactDrop").style.height = "44px";
}

function HideServicesMenu() {
    document.getElementById("ServicesLink").style.backgroundImage = "none";
    document.getElementById("PageContactDrop").style.height = "0px";
    document.getElementById("PageServicesDrop").style.height = "0px";
}

function HideContactMenu() {
    document.getElementById("ContactLink").style.backgroundImage = "none";
//    document.getElementById("PageServicesDrop").style.height = "0px";
    document.getElementById("PageContactDrop").style.height = "0px";
}