jQuery Form Validation

gistfile1.js

function fnValidate()
{
  var aFields = 
    {"First Name":"sFirst",
     "Last Name":"sLast",
     "DRI Affiliation":"sAffil1",
     "DRI Email":"sEmail_DRI"};
     
  var bValid = true;
                 
  $.each(aFields, function(key, value) 
  { 
    // Debug
    //alert(key+":"+value);
    var sValue = $("#"+value).val();
    if(!sValue.length)
    {
      alert(key+" can not be empty.");
      bValid = false;
    }
  });
  
  return bValid;
}

function fnSubmit()
{
  if(fnValidate() === true) {
    $("#frmEdit").submit();
  }
  else
    return false;
}