/**
* 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);