var protocolType = document.location.protocol; 
function showImg_157(obj) {
    if (typeof(adObj_157) !== 'undefined') {
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    }
}

var imgObj = '<span><img src="'+protocolType+'//track.igg.com/file/image/2011/01/07/2011010703543179455.jpg" onload="showImg_157(this)" style="display:none" /></span>';
document.write(imgObj);