function getParam(param)
{
   param = param.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
   var regexS = "[\\?&]" + param + "=([^&#]*)";
   var regex = new RegExp(regexS);
   var results = regex.exec(window.location.href);

   if(results == null)
      return "";
   else
      return results[1];
}

function sendForm()
{
	$('form').send({
		onFailure: function(res) {
			if (res.status == 401 || res.status == 300)
				window.location = res.getResponseHeader('Loc');
			else
				failure(res);
		}
	});
}

function failure(res)
{
	$('err').setHTML('Error retrieving data');
}