function loadImages() {
    var img = new Array();
    for (var n = 0; n < images.length; n++) {
        img[n] = new Image();
        img[n].src = images[n];
    }
}

function nextImage() {
    selectedImage++;
    if (selectedImage >= images.length) {
        selectedImage = 0;
    }
    docImage = document.getElementById("pp");
    docImage.src = images[selectedImage];
    docImage.width = widths[selectedImage];
    docImage.height = heights[selectedImage];
}

function popup(name,width,height,data,type) {
    var xpos = Math.round((screen.width-width)/2);
    var ypos = Math.round((screen.height-height)/2.5);
    var params = 'width=' + width + ',height=' + height + ',screenX=' + xpos + ',screenY=' + ypos + ',left=' + xpos + ',top=' + ypos + ',resizable=yes,scrollbars=yes,status=yes';
    if (type == "url") {
        var fenster = eval ("window.open(data,'" + name + "',params);");
    } else {
        eval (name + " = window.open('','" + name + "',params);");
        eval (name + ".document.open();");
        eval (name + ".document.write(data);");
        eval (name + ".document.close();");
    }
    if (window.focus) {
        fenster.focus();
    }
}

function swapImg(tag) {
    $('#imgSelection .active').removeClass('active');
    $('#productImg').attr('src',tag.href);
    $(tag).addClass('active').blur();
}