function menuButtonHover(ImageName, ID)
{
    var el = document.getElementById(ID);
    el.src = "images/layout/menuTop/" + ImageName;
}

function menuButton2Hover(ImageName, ID)
{
    var el = document.getElementById(ID);
    el.src = "images/layout/menuBottom/" + ImageName;
}

function showStrip1()
{
    document.getElementById("menuStrip2").style.display = "none";
    document.getElementById("menuStrip1").style.display = "block";
    document.getElementById("menuStrip3").style.display = "none";
    document.getElementById("menuStrip4").style.display = "none";
}

function showStrip2()
{
    document.getElementById("menuStrip1").style.display = "none";
    document.getElementById("menuStrip2").style.display = "block";
    document.getElementById("menuStrip3").style.display = "none";
    document.getElementById("menuStrip4").style.display = "none";
}

function showStrip3()
{
    document.getElementById("menuStrip2").style.display = "none";
    document.getElementById("menuStrip1").style.display = "none";
    document.getElementById("menuStrip3").style.display = "block";
    document.getElementById("menuStrip4").style.display = "none";
}

function showStrip4()
{
    document.getElementById("menuStrip1").style.display = "none";
    document.getElementById("menuStrip2").style.display = "none";
    document.getElementById("menuStrip3").style.display = "none";
    document.getElementById("menuStrip4").style.display = "block";
}