<SCRIPT type=text/javascript> function getQuerystring(key, default_) { if (default_ == null) default_=""; key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]"); var regex = new RegExp("[\\?&]"+key+"=([^&#]*)"); var qs = regex.exec(window.location.href); if(qs == null) return default_; else return qs[1]; } window.onload = function () { id = getQuerystring('id', null); } </SCRIPT>