function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
  result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
  var result = true;
  
  if (formField.value == "")
  {
    alert('Please enter a value for the "' + fieldLabel +'" field.');
    formField.focus();
    result = false;
  }
  
  return result;
}

function validEmail(formField,fieldLabel,required)
{
  var result = true;
  
  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
  {
    alert("Please enter a complete email address in the form: yourname@yourdomain.com");
    formField.focus();
    result = false;
  }
   
  return result;

}


function validNum(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;
  
   if (result)
   {
     var num = parseInt(formField.value,10);
     if (isNaN(num))
     {
       alert('Please enter a number for the "' + fieldLabel +'" field.');
      formField.focus();    
      result = false;
    }
  } 
  
  return result;
}

function validDate(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;
  
   if (result)
   {
     var elems = formField.value.split("/");
     
     result = (elems.length == 3); // should be three components
     
     if (result)
     {
       var month = parseInt(elems[0],10);
        var day = parseInt(elems[1],10);
       var year = parseInt(elems[2],10);
      result = !isNaN(month) && (month > 0) && (month < 13) &&
            !isNaN(day) && (day > 0) && (day < 32) &&
            !isNaN(year) && (elems[2].length == 4);
     }
     
      if (!result)
     {
       alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
      formField.focus();    
    }
  } 
  
  return result;
}

function validateForm(theForm)
{
  // Customize these calls for your form

  // Start ------->
  if (!validRequired(theForm.firstname,"First Name"))
    return false;

  if (!validRequired(theForm.lastname,"Last Name"))
    return false;

  if (!validEmail(theForm.email,"Email Address",true))
    return false;

  // <--------- End
  
  return true;
}

function validateLongForm(theForm)
{
  // Customize these calls for your form

  // Start ------->
  // Required fields for the longer Contact Form
  if (!validRequired(theForm.howyoufoundlee,"How You Found Lee Bruder Associates"))
    return false; 
 
  if (!validRequired(theForm.contactpurpose,"Contact Purpose"))
    return false; 
       
  // Standard Contact fields
  if (!validRequired(theForm.firstname,"First Name"))
    return false;

  if (!validRequired(theForm.lastname,"Last Name"))
    return false;

  if (!validEmail(theForm.email,"Email Address",true))
    return false;
 
 
  // <--------- End
  
  return true;
}