function QueryString(key)

{

         var value = null;

         for (var i=0;i<QueryString.keys.length;i++)

         {

                   if (QueryString.keys[i]==key)

                   {

                            value = QueryString.values[i];

                            break;

                   }

         }

         return value;

}

 

QueryString.keys = new Array();

QueryString.values = new Array();

 

function QueryString_Parse()

{

         var query = window.location.search.substring(1);

         var pairs = query.split("&");

 

         for (var i=0;i<pairs.length;i++)

         {

                   var pos = pairs[i].indexOf('=');

 

                   if (pos >= 0)

                   {

                            var argname = pairs[i].substring(0,pos);

                            var value = pairs[i].substring(pos+1);

                            QueryString.keys[QueryString.keys.length] = argname;

                            QueryString.values[QueryString.values.length] = value;           

                   }

         }

}

 

QueryString_Parse();