/**************************************************
 * General Form Validation Functions, version 0.10
 * Copyright 2007 Ivengi BV. Benelux
 **************************************************/
 
function RequiredTextFieldHighLight(Field, Message) 
{
 if (Field.value.length < 1) {
    Field.style.border = "1px solid #c30";
    Field.focus();
    alert(Message);
    return false;
  }
  Field.style.border = "1px solid #fff";
  return true;
}

function RequiredTextField(Field, Message) 
{
 if (Field.value.length < 1) {
    alert(Message);
    Field.focus();
    return false;
  }
  return true;
}

function RequiredCheckBox(Field, Message)
{
  if (!Field.checked) {
    Field.focus();
    alert(Message);
    return false;
  }
  return true;
}

function ValidateEmail(Field, Message)
{
  var regex = /^[\w\.-]+@[\w\.-]+\.[a-zA-Z]{2,4}$/;
  if (!regex.test(Field.value)) {
    Field.focus();
    alert(Message);
    return false;
  }
  return true;
}

function ValidateTextarea(Field, MaxChars, Message)
{
  if (Field.value.length < 1) {
    Field.focus();
    alert(Message);
    return false;
  } else {
    if (Field.value.replace(/\r\n/g,'x').length > MaxChars) {
      Field.focus();
      alert(Message);
      return false; 
    }
  }
  return true;
}