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]);
       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 get_radio_value (radio_array)
{
	var i;
	for (i = 0; i < radio_array . length; ++ i)
		if (radio_array [i] . checked)
			return radio_array [i] . value;
	return null;
}


function validateFormResidex(theForm)
{
  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;
  if (!validRequired(theForm.phone,"Contact Number"))
    return false;	
  if (!validRequired(theForm.unitnum,"Unit/House No"))
    return false;	
  if (!validRequired(theForm.street,"Street Name"))
    return false;		
  if (!validRequired(theForm.suburb,"Suburb"))
    return false;	
  if (!validRequired(theForm.state,"State"))
    return false;		
  if (!validRequired(theForm.postcode,"Postcode"))
    return false;		
  return true;
}

function validateFormCreditReport(theForm)
{
  if (!validRequired(theForm.firstname,"First Name"))
    return false;
  if (!validRequired(theForm.lastname,"Last Name"))
    return false;	
  if (!validRequired(theForm.streetnum,"Street No"))
    return false;	
  if (!validRequired(theForm.street,"Street Name"))
    return false;		
  if (!validRequired(theForm.suburb,"Suburb"))
    return false;	
  if (!validRequired(theForm.state,"State"))
    return false;		
  if (!validRequired(theForm.postcode,"Postcode"))
    return false;		
  if (!validRequired(theForm.driverslicense,"Drivers License"))
    return false;		
  if (!validRequired(theForm.dobday,"Date of Birth")) 
    return false;	  
  if (!validRequired(theForm.dobmonth,"Date of Birth"))
    return false;	  
  if (!validRequired(theForm.dobyear,"Date of Birth"))
    return false;
  if (!validRequired(theForm.phone,"Contact Number"))
    return false;		
  if (!validEmail(theForm.email,"Email Address",true))
    return false;
  if (!document.forms['creditreport'].agree.checked) {
	 alert('You must confirm that you are ordering a copy of your own personal credit file and that the details supplied are true and correct.')
    return false;
  }		
  return true;
}

function validateFormWorkshop(theForm)
{
  if (!validRequired(theForm.dates,"Workshop Dates"))
    return false;
  if (!validRequired(theForm.firstname,"First Name"))
    return false;	
  if (!validRequired(theForm.surname,"Surname"))
    return false;		
  if (!validRequired(theForm.phone,"Preferred Contact Number"))
    return false;		
  if (!validEmail(theForm.email,"Email Address",true))
    return false;
  if (!theForm.email2.value == "")
	  if (!validEmail(theForm.email2,"Email Address Attendee Two",true))
   	  return false;   	  	  		
  return true;
}