/**
* hoverIntent r6 // 2011.02.26 // jQuery 1.5.1+
* <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(at)cherne(dot)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 ev = jQuery.extend({}, e); var ob = this; if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t) } if (e.type == "mouseenter") { 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.bind('mouseenter', handleHover).bind('mouseleave', handleHover) } })(jQuery);

jQuery(document).ready(function () {
	$(".dropdown ul").toggle();
	function add() {
		$(this).find("ul").fadeIn("fast");
		$(".dropdown").css("background", "#b4c1d4 url(img/menu_hover.png) repeat-x");
	}
	function remove() {
		$(this).find("ul").fadeOut("fast");
		$(".dropdown").css("background-color", "inherit");
	}

	var config = { interval: 0, over: add, timeout: 300, out: remove };
	$("#menu_top ul li.dropdown").hoverIntent(config);
});