function InitLoad() {
    RandomBanner();
    getcontent_height();
}

function RandomBanner() {
    var numimages = 2;
    var bannerSet = (Math.floor(Math.random() * numimages)) + 1;
    var imagePath = "images/banner/set" + bannerSet + "/banner_";
    var x = 1;
    var y = 1;
    for (var x = 1; x <= 2; x++) {
        for (var y = 1; y <= 7; y++) {
            document.getElementById("banner-"+x+"-"+y).style.backgroundImage = "url("+imagePath+x+"_"+y+".gif)";
        }
    }
}