var protocolType = document.location.protocol; 
function showImg_56(obj) {
    if (typeof(adObj_56) !== 'undefined') {
        document.getElementById(adObj_56).innerHTML = "<a href=\""+protocolType+"//track.igg.com/click.php?id=56&amp;cid=0\" target=\"_blank\" class=\"link56\"><img src=\""+protocolType+"//track.igg.com/file/image/2011/04/01/2011040103202579611.jpg\" alt=\""+protocolType+"//zu.igg.com/event/pk/index.php\" width=\"200\" height=\"80\" style=\"border:0px;\" /></a>";
    } else {
        obj.parentNode.innerHTML = "<a href=\""+protocolType+"//track.igg.com/click.php?id=56&amp;cid=0\" target=\"_blank\" class=\"link56\"><img src=\""+protocolType+"//track.igg.com/file/image/2011/04/01/2011040103202579611.jpg\" alt=\""+protocolType+"//zu.igg.com/event/pk/index.php\" width=\"200\" height=\"80\" style=\"border:0px;\" /></a>";
    }
}

var imgObj = '<span><img src="'+protocolType+'//track.igg.com/file/image/2011/04/01/2011040103202579611.jpg" onload="showImg_56(this)" style="display:none" /></span>';
document.write(imgObj);