var qsParm = new Array(); function qs() {  var query = window.location.search.substring(1);  var parms = query.split(‘&’);  for (var i=0; i<parms.length; i++) {   var pos = parms[i].indexOf(‘=’);   if (pos > 0) {   var key = parms[i].substring(0,pos);   var val = parms[i].substring(pos+1);   qsParm[key] = val;   }  } }example : if url is  www.yoursite.com/default.aspx?id=123&sessionid=swew2323od92891ks Using the above code   alert(qsParm[‘id’] ) … (2 comments)