(function(){Element.addMethods({'hoverIntent' : function(elem,f,g){elem=$(elem);var cfg={sensitivity: 7,interval: 200,timeout: 200};cfg=Object.extend(cfg,g?{over: f,out: g}: f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).stopObserving('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 parent=e.relatedTarget;while(parent&&parent!=elem){try{parent=parent.parentNode;}catch(error){parent=elem;}}if(parent==this){return false;}var ev=Object.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;$(ob).observe("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).stopObserving("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return elem.observe('mouseover',handleHover).observe('mouseout',handleHover);}});})();