Placeholder attribute for older browsers

placeholder.js

// only bind if placeholder isn't natively supported by the browser
if (!('placeholder' in input)) {
	$('input[placeholder]').each(function () {
		'use strict';

		var self = $(this);

		self.val(self.attr('placeholder')).bind({
			focus: function () {
				if (self.val() === self.attr('placeholder')) {
					self.val('');
				}
			},
			blur: function () {
				var label = self.attr('placeholder');
				if (label && self.val() === '') {
					self.val(label);
				}
			}
		});
	});
}