function initMenu() {
    var as = document.getElementById('nav').getElementsByTagName('a');

    var classNumber = 1;

    var classNames = new Array()
    classNames[1] = "one"
    classNames[2] = "two"
    classNames[3] = "three"
    classNames[4] = "four"
    classNames[5] = "five"

    for (i = 0; i < as.length; i++) {

        as[i].className = classNames[classNumber];

        if (classNumber == 4) {
            classNumber = 0;
        }

        classNumber++;

    }
}


function changeCart() {

    var vs = document.getElementById("ASPNET__VIEWSTATE");
    var ev = document.getElementById("ASPNET__EVENTVALIDATION");
    var backUrl = document.getElementById("ASPNET__REFERER");

    var form = document.createElement("form");
    form.setAttribute("method", "POST");
    form.setAttribute("action", backUrl.value);


    var hiddenField = document.createElement("input");
    hiddenField.setAttribute("type", "hidden");
    hiddenField.setAttribute("name", "__EVENTVALIDATION");
    hiddenField.setAttribute("value", ev.value);

    form.appendChild(hiddenField);

    hiddenField = document.createElement("input");
    hiddenField.setAttribute("type", "hidden");
    hiddenField.setAttribute("name", "__VIEWSTATE");
    hiddenField.setAttribute("value", vs.value);

    form.appendChild(hiddenField);


    document.body.appendChild(form);    // Not entirely sure if this is necessary
    form.submit();

    return false;
}