function Focus(control) {

  control.focus();

  control.select();

}



function IsEmailCorrect(email) {

  return email.match(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,8})$/)!=null;

}



function IsEmpty(pole) {

  if (pole=='') 

  	return true

	else

	return false

}







function check_mail()

{

if (IsEmpty(document.getElementById('name').value)) {
    alert('Please write your name.');
    Focus(document.getElementById('name'));
    return false;
  }

if (!IsEmailCorrect(document.getElementById('email').value)) {
	alert('Please write your e-mail.');
	Focus(document.getElementById('email'));
	return false;
}

if (IsEmpty(document.getElementById('telephone').value)) {
    alert('Please write your telephone number.');
    Focus(document.getElementById('telephone'));
    return false;
  }

if (IsEmpty(document.getElementById('message').value)) {
    alert('Please write your message.');
    Focus(document.getElementById('message'));
    return false;
  }


return true;

}



function GoNext()
{
	var foo = document.getElementById('button1');
	foo.click();
}