/**
* hoverIntent r5 // 2007.03.27 // jQuery 1.1.2+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
*
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne <brian@cherne.net>
*/
(function($){
	$.fn.hoverIntent = function(f,g)
	{
		var cfg= {
			sensitivity:7,
			interval:100,
			timeout:0
		};

		cfg = $.extend(cfg, g ? { over: f, out: g } : f);

		var cX,cY,pX,pY;
		var track = function(ev) {
			cX = ev.pageX;
			cY = ev.pageY;
		};

		var compare = function(ev,ob){
			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
			if ((Math.abs(pX-cX)+Math.abs(pY-cY)) < cfg.sensitivity)
			{
				$(ob).unbind("mousemove",track);
				ob.hoverIntent_s = 1;
				return cfg.over.apply(ob,[ev]);
			}
			else
			{
				pX = cX;
				pY = cY;
				ob.hoverIntent_t = setTimeout(function(){compare(ev,ob);}, cfg.interval);
			}
		};

		var delay = function(ev,ob){
			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
			ob.hoverIntent_s = 0;
			return cfg.out.apply(ob,[ev]);
		};

		var handleHover = function(e){
			var p = (e.type=="mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;

			while (p&&p!=this)
			{
				try
				{
					p = p.parentNode;
				} catch(e)
				{
					p = this;
				}
			}

			if (p == this)
			{
				return false;
			}

			var ev = jQuery.extend({},e);

			var ob = this;
			if (ob.hoverIntent_t)
			{
				ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
			}

			if (e.type == "mouseover")
			{
				pX = ev.pageX;
				pY = ev.pageY;
				$(ob).bind("mousemove",track);

				if (ob.hoverIntent_s != 1)
				{
					ob.hoverIntent_t = setTimeout(function(){compare(ev,ob);}, cfg.interval);
				}
			}
			else
			{
				$(ob).unbind("mousemove",track);
				if (ob.hoverIntent_s==1)
				{
					ob.hoverIntent_t = setTimeout(function(){delay(ev,ob);}, cfg.timeout);
				}
			}
		};

		return this.mouseover(handleHover).mouseout(handleHover);
	};
})(jQuery);