function changePicture(elem) {
    attrs = elem.getElementsByTagName("p");
    imgName = attrs[1].innerHTML;
    imgDesc = attrs[0].innerHTML;
    imgName = "/auction/" + imgName;
    imgName = imgName.replace("/thumbs", "");
    imgMain = document.getElementById("ctl00_contentMain_imgMain");
    imgMain.style.background = "url(" +  imgName + ")";
    imgMain.style.backgroundPosition = "center";
    imgMain.style.backgroundRepeat = "no-repeat";
    elem.style.cursor = 'pointer';
}

function lnkBuyItNow_click() {
    if (!loggedIn) 
    {
        showPopUp("Login or Register", "You must login or register before you can use the instant purchase feature.");
        return false;
    }
}

function showPopUp(head, text) {
    var popUp = document.getElementById("popUp");
    var popUp_head = document.getElementById("popUp_head");
    var popUp_text = document.getElementById("popUp_text");
    popUp_head.innerHTML = head;
    popUp_text.innerHTML = text;
    popUp.style.display = "block";
}

function hidePopUp() {
    var popUp = document.getElementById("popUp");
    popUp.style.display = "none";
}