function emptyField(field, val)
{
	if (document.getElementById(field).value == val)
		document.getElementById(field).value = '';
}


function subscribeNewsletter()
{
	if (document.getElementById('newsletter_email') != '')
	{
		 $.ajax({
		   type: "POST",
		   url: "ajax-newsletter.php",
		   data: "email=" + document.getElementById('newsletter_email').value,
		   success: function(msg){
		     document.getElementById('newsletter_div').innerHTML = msg;
		   }
		 });
	}
}