function handleReset()
{
  $("#input_un").focus();
  return true;
}

function getPassword(str)
{
  newStr = "";
  for (i = 0; i < str.length; i++)
  {
    newStr += " ";
  }
  return newStr;
}

function checkEmailAddress(str) 
{ 
  var at="@";
  var dot=".";
  var lat=str.indexOf(at);
  var lstr=str.length;
  var ldot=str.indexOf(dot);
  if (str.indexOf(at) == -1)
  {
    return false;
  }
  if (str.indexOf(at) == -1 || str.indexOf(at) == 0 || str.indexOf(at) == lstr)
  {
    return false;
  }
  if (str.indexOf(dot) == -1 || str.indexOf(dot) == 0 || str.indexOf(dot) == lstr)
  {
    return false;
  }
  if (str.indexOf(at,(lat+1)) != -1)
  {
    return false;
  }
  if (str.substring(lat-1,lat) == dot || str.substring(lat+1,lat+2) == dot)
  {
    return false;
  }
  if (str.indexOf(dot,(lat+2)) == -1)
  {
    return false;
  }
  if (str.indexOf(" ") != -1)
  {
    return false;
  }
  return true;
}

function handleLogin()
{
  $(".button").attr("disabled", true);

  if ($("#input_un").val() != "" && $("#input_pw").val() != "")
  {
    var pw = calcMD5($("#input_pw").val());
    pw += "";
    $("#hash").val(calcMD5(pw));
    //$("#loginform").submit();
    return true;
  }
  else
  {
    $("#input_un").val("");
    $("#input_pw").val("");
    $(".button").attr("disabled", false);
    $("#input_un").focus();
    alert("Please enter both your username and password");
    return false;
  }
}

function failedLoginPopup() 
{ 
  $(document).ready(function() 
  {
    $("#loginpopup").bPopup({loadUrl:'/include/loginmessage.html'});
    var xpost = parseInt(($(window).width() - 800) / 2);
    var ypost = parseInt(($(window).height() - 400) / 2);
    $("#loginpopup").css({ left: xpost, top: ypost });
  });
}

function exampleCollegeNumberPopup() 
{ 
  $(document).ready(function() 
  {
    $("#loginpopup").bPopup({loadUrl:'/include/exampleCNmessage.html'});
    var xpost = parseInt(($(window).width() - 600) / 2);
    $("#loginpopup").css({ left: xpost, top: 200 });
  });
}

function validateForm()
{
  un = $("#username").val();
  em = $("#email").val();
  //cc = $("#capturecode").val();
  cc = "DOWN";
  $("#username").removeClass("errorHighlight");
  $("#email").removeClass("errorHighlight");
  //$("#capturecode").removeClass("errorHighlight");

  validated = true;
  if (un == "")
  {
    $("#username").addClass("errorHighlight");
    validated = false;
  }
  if (em == "")
  {
    $("#email").addClass("errorHighlight");
    validated = false;
  }
  if (cc == "")
  {
    $("#capturecode").addClass("errorHighlight");
    validated = false;
  }
  if (!validated)
  {
    alert("Please complete all fields");
    return false;
  }
  changePassword();
  return true;
}

function changePassword()
{
  un = $("#username").val();
  em = $("#email").val();
  //cc = $("#capturecode").val();
  cc = "DOWN";
  paramstr = "un=" + un + "&em=" + em + "&cc=" + cc;
  //alert(paramstr); 
  jQuery.ajax(
  {
    type:   "POST",
    url:    "/include/resetPassword.php",
    data:   paramstr,
    success: function(html) 
             {
               if (html.substr(0, 8) == "An email")
               {
                 $("#details_input").slideUp("slow", function()
                 {
                   $("#message_output").slideUp("slow");
                   $("#details_input").html("<p align=\"center\">" + html + "</p>");
                   $("#details_input").slideDown("slow");
                 });
               }
               else
               {
                 $("#message_output").html("<p align=\"center\">" + html + "</p>");
                 $("#message_output").slideDown("slow");
               }
             },
    async:   false
  });
}  

function checkPassword()
{ 
  cn = "";
  pw1 = $("#input_pw1").val();
  pw2 = $("#input_pw2").val();
  $("#input_pw1").removeClass("errorHighlight");
  $("#input_pw2").removeClass("errorHighlight");
    
  if (pw1 == "")
  {
    $("#input_pw1").addClass("errorHighlight");
    alert("Please type a new password");
    return false;
  }
  if (pw1.length < 6 || pw1.length > 12)
  {
    $("#input_pw1").addClass("errorHighlight");
    alert("Sorry, but that password is too " + (pw1.length < 6 ? "short" : "long") + ".  Please choose a password between 6 and 12 characters");
    return false;
  }
  if (pw2 == "")
  {
    $("#input_pw2").addClass("errorHighlight");
    alert("Please re-type your new password");
    return false;
  }
  if (pw1 != pw2)
  {
    $("#input_pw1").addClass("errorHighlight");
    $("#input_pw2").addClass("errorHighlight");
    alert("Sorry, those passwords don't match");
    return false;
  }
  if (pw1 == cn || pw1 == cn.substring(0, cn.length-1))
  {
    alert("Your password cannot be your college number.  Please enter a different password.");
	return false;
  }
  savePassword(pw1);
}  


function savePassword(pw1)
{
  paramstr = "pw=" + pw1 + "&cs=" + "024348f5af6149887faa00305b22729e";
  //alert(paramstr); 
  jQuery.ajax(
  {
    type:   "POST",
    url:    "/include/storePassword.php",
    data:   paramstr,
    success: function(html) 
             {
               $("#password_output").html(html);
               $("#password_output").fadeIn("slow");
               if (html.substr(3, 16) == "Password updated")
               {
                 $("#verification_output").slideUp("slow");
                 $("#new_password").slideUp("slow", function()
                 {
                   $("#all_done").fadeIn("slow");
                 });
               }
             },
    async:   false
  });
}

function verifyInput()
{
  inputFields = new Array("enr", "fnc", "email_address");
  invalidInput = false;
  paramstr = "";
  
  $.each(inputFields, function(index, field) 
  {
    paramstr += (paramstr == "" ? "" : "&") + field + "=" + $("#"+field).val();
    $("#"+field).removeClass("errorHighlight");
    if ($("#"+field).val() == "")
    {
      $("#"+field).addClass("errorHighlight");
      invalidInput = true;
    }
  });  
  if (invalidInput)
  {
    alert("Please answer all three questions");
    return false;
  }
  if (!checkEmailAddress($("#email_address").val()))
  {
    alert("Please enter a valid email address");
    $("#email_address").addClass("errorHighlight");
    return false;
  }
  paramstr += "&fnc_pos=" + $("#fnc_pos").val();
  verifyDetails(paramstr);
}


function verifyDetails(paramstr)
{
// alert(paramstr);
  jQuery.ajax(
  {
    type:   "POST",
    url:    "/include/verifyDetails.php",
    data:   paramstr,
    success: function(html) 
             {
               $("#verification_output").html(html);
               $("#verification_output").fadeIn("slow");
               if (html.substr(3, 17) == "Details validated")
               {
                 $("#identity_check").slideUp("slow", function()
                 {
                   $("#new_password").fadeIn("slow");
                 });
               }
             },
    async:   false
  });
}



$(document).ready(function() 
{
//  $("#outercontainer").show();
  $("#new_password").hide();
  $("#verification_output").hide();
  $("#password_output").hide();
  $("#all_done").hide();
});