/** Contact Us */
function ValidateEmailForm()
{
  var name = document.getElementById('Name').value;
  if (name == '<Enter your name>' || name.length < 4)
  {
    alert('Please enter your name.');
    return false;
  }
  
  var filter = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  var email = document.getElementById('Email').value;
  if (email == '<Enter your email address>' || !filter.test(email))
  {
    alert('Please enter a valid email address.');
    return false;
  }

  var number = document.getElementById('Phone').value;
  if (number == '<Enter your phone number>' || number.length < 10)
  {
    alert('Please enter a valid phone number.');
    return false;
  }
  
  return true;
}

function nameClickedHandler()
{
  var name = document.getElementById('Name').value;
  if (name == '<Enter your name>')
    document.getElementById('Name').value = '';
}

function emailClickedHandler()
{
  var email = document.getElementById('Email').value;
  if (email == '<Enter your email address>')
    document.getElementById('Email').value = '';
}

function numberClickedHandler()
{
  var number = document.getElementById('Phone').value;
  if (number == '<Enter your phone number>')
    document.getElementById('Phone').value = '';
}