//---------------------------------------------//
// QueryString Method for Javascript Functions //
//---------------------------------------------//

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();