jQuery.fn.hint = function (blurClass) {
	if (!blurClass) { 
		blurClass = 'blur';
  	}
    
	return this.each(function () {
		var $input = $(this),
		title = $input.attr('title'),
		$form = $(this.form),
		$win = $(window);

		function remove() {
			if ($input.val() === title && $input.hasClass(blurClass)) {
				$input.val('').removeClass(blurClass);
			}
		}

		if (title) { 
			$input.blur(function () {
				if (this.value === '') {
					$input.val(title).addClass(blurClass);
				}
			}).focus(remove).blur();

			$form.submit(remove);
      		$win.unload(remove);
		}
  	});
};