$(document).ready(function(){
	$('input#subscribe-email').bind('focus', function() {
    if($(this).val() == 'enter your email address') {
      $(this).val('');
    }
  });
  $('input#subscribe-email').bind('blur', function() {
    if($(this).val() == '') {
      $(this).val('enter your email address');
    }
  });
});