var ajax_login=new ajax_handler();

function submitViaEnter(evt) {
    evt = (evt) ? evt : event;
    var target = (evt.target) ? evt.target : evt.srcElement;
    var form = target.form;
    var charCode = (evt.charCode) ? evt.charCode :
        ((evt.which) ? evt.which : evt.keyCode);
    if (charCode == 13) {
            userlogin();
            return false;
    }
    return true;
}

function userlogin()
{
  var username=document.getElementById('username').value;
  var password=document.getElementById('password').value;
  ajax_login.create();
  ajax_login.addParam('username', username);
  ajax_login.addParam('password', password);
  ajax_login.setURL('includes/ajaxlogin.php');
  ajax_login.setResponse(loginreturn);
  ajax_login.send();
}

function loginreturn()
{
   var ret = ajax_login.GetData();
	 if(ret == null)
   { 
    return;
	 }
   else
	 {
    if(ret!='fail')
    {
      window.location = 'members.php';
    }
    else
    {
      var newImage = "url(images/loginerrorbkg.jpg)";
      document.getElementById('login').style.backgroundImage=newImage;
      


    }
   }
}