function TryLogin() {
 var objForm = document.forms['Login'];
 
 if (!objForm) {
  return true;
 }
 
 var strUsernameVal = objForm.elements['Username'].value;
 var strPasswordVal = objForm.elements['Password'].value;
 
 
 if (strUsernameVal.length < 1 || strPasswordVal.length < 1) {
  var strError = 'Please fill in all required fields.';
  alert(strError);
  return false;
 }
 
 var objParams = {
  method:'post',
  parameters: 'Username=' + strUsernameVal + '&Password=' + strPasswordVal
 }
 var objRequest = new Ajax.Request('../support/ajaxlogin.php', objParams);
 return false;
}