function enhance_newsletter_form() {
	if ($("#newsletter_email").length > 0) {
		var HELP_TEXT = "your@email.com";
		
		if ($("#newsletter_email").val() == "") {
			$("#newsletter_email").val(HELP_TEXT).addClass("example");
		}
		
		$("#newsletter_email").focus( function() {
			if ($("#newsletter_email").val() == HELP_TEXT) {
				$("#newsletter_email").val("").removeClass("example");
			}
		}).blur( function() {
			if ($("#newsletter_email").val() == "") {
				$("#newsletter_email").val(HELP_TEXT).addClass("example");
			}
		});
	}
}

$(document).ready( function() {
	enhance_newsletter_form();
});