/*-------------------------------------------------------------------------------
    A Better jQuery Tooltip
    Version 1.0
    By Jon Cazier
    jon@3nhanced.com
    01.22.08
-------------------------------------------------------------------------------*/

$.fn.betterTooltip = function(options){
	
	/* Setup the options for the tooltip that can be 
	   accessed from outside the plugin              */
	var defaults = {
		speed: 200,
		delay: 300
	};
	
	var options = $.extend(defaults, options);
	
	/* Create a function that builds the tooltip 
	   markup. Then, prepend the tooltip to the body */
	getTip = function() {
		var tTip = 
			"<div class='tip'>" +
				"<div class='tipMid'>"	+
				"</div>" +
				"<div class='tipBtm'></div>" +
			"</div>";
		return tTip;
	}
	$("body").prepend(getTip());
	
	/* Give each item with the class associated with 
	   the plugin the ability to call the tooltip    */
	$(this).each(function(){
		
		var $this = $(this);
		var tip = $('.tip');
		var tipInner = $('.tip .tipMid');
		
		var tTitle = (this.title);
		this.title = "";
		
		var offset = $(this).offset();
		var tLeft = offset.left;
		var tTop = offset.top;
        var tElem = $(this);
        var tWidth = $this.width();
        var tHeight = $this.height();
        /* Mouse over and out functions*/
        $this.hover(
            function() {
                tipInner.html(tTitle);
                //recalculate positioning
                var offset = tElem.offset();
                var tLeft = offset.left;
                var tTop = offset.top;
                setTip(tTop, tLeft);
                setTimer();
            },
            function() {
                stopTimer();
                tip.hide();
            }
        );


		/* Delay the fade-in animation of the tooltip */
		setTimer = function() {
			$this.showTipTimer = setInterval("showTip()", defaults.delay);
		}
		
		stopTimer = function() {
			clearInterval($this.showTipTimer);
		}
		
		/* Position the tooltip relative to the class 
		   associated with the tooltip                */
		setTip = function(top, left){
			var topOffset = tip.height();
			var xTip = (left-50)+"px";
			var yTip = (top-topOffset-60)+"px";
			tip.css({'top' : yTip, 'left' : xTip});
		}
		
		/* This function stops the timer and creates the
		   fade-in animation                          */
		showTip = function(){
			stopTimer();
			tip.animate({"top": "+=20px", "opacity": "toggle"}, defaults.speed);
		}
	});
};
