var protocolType = document.location.protocol; 
function showImg_73(obj) {
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    }
}

var imgObj = '<span><img src="'+protocolType+'//track.igg.com/file/image/2009/06/05/2009060503371041160.gif" onload="showImg_73(this)" style="display:none" /></span>';
document.write(imgObj);