Better jQuery ToolTip -- Simple and works in Firefox!

gistfile1.txt

$.fn.betterTip = function() {
  	var that = this;

		function getTip() {
			var tip = $('<div />', {'class': 'tooltip'});

			tip.html($(this).attr('title'));

			tip.css({
				'position': 'absolute',
				'marginTop': '-30px'
			});

			return tip;
		}

		function showTip() {
			$(this).before(getTip.apply(this));
		}

		function hideTip() {
			$('.tooltip').remove();
		}

		this.bind('mouseover', showTip);

		this.bind('mouseout', hideTip);
	}