function checksubscribe(frm) {
	var el = frm.getElementById("email");
	if (el.value==null || el.value=='') {
      		alert('You need to enter your email address to subscribe.');
      		el.focus();
      		return false;
	}
	return true;
}
function checksubscribe2(frm) {
	var el = frm.getElementById("email2");
	if (el.value==null || el.value=='') {
      		alert('You need to enter your email address to subscribe.');
      		el.focus();
      		return false;
	}
	return true;
}

function alertSuccess(resultString, successMessage, failMessage)
{
  if('success' == resultString)
  {
     alert(successMessage);
     return;
  }
  alert(failMessage);
}
function getRequestParam(param)
{
   var url = document.location.toString();
   var pos = url.indexOf(param);
   if(pos > 0)
   {
     var s = url.substring(pos + param.length + 1, url.length);
     for(rpIndex = 0; rpIndex < s.length; rpIndex++)
     {
        if(s.charAt(rpIndex) == '&')
         {
            return s.substring(0, rpIndex);
         }
      }
      return s;
    }
    return null;
}
function checkForRequestResult(param, successMessage, failMessage)
{
    var p = getRequestParam(param);
    if(p != null)
    {
        alertSuccess(p, successMessage, failMessage);
    }
}