var protocolType = document.location.protocol; 
function showImg_156(obj) {
    if (typeof(adObj_156) !== 'undefined') {
        document.getElementById(adObj_156).innerHTML = "<a href=\""+protocolType+"//track.igg.com/click.php?id=156&amp;cid=0\" target=\"_blank\" class=\"link156\"><img src=\""+protocolType+"//track.igg.com/file/image/2010/12/07/2010120703505229905.jpg\" alt=\""+protocolType+"//fo.igg.com/event/login/index.php\" width=\"190\" height=\"80\" style=\"border:0px;\" /></a>";
    } else {
        obj.parentNode.innerHTML = "<a href=\""+protocolType+"//track.igg.com/click.php?id=156&amp;cid=0\" target=\"_blank\" class=\"link156\"><img src=\""+protocolType+"//track.igg.com/file/image/2010/12/07/2010120703505229905.jpg\" alt=\""+protocolType+"//fo.igg.com/event/login/index.php\" width=\"190\" height=\"80\" style=\"border:0px;\" /></a>";
    }
}

var imgObj = '<span><img src="'+protocolType+'//track.igg.com/file/image/2010/12/07/2010120703505229905.jpg" onload="showImg_156(this)" style="display:none" /></span>';
document.write(imgObj);