(function(){var a=function(b,e){var d=b.relatedTarget;while(d&&d!=e){try{d=d.parentNode}catch(c){d=e}}return d==e};Object.extend(Event,{mouseEnter:function(c,e,b){c=$(c);var d=(b&&b.enterDelay)?(function(){window.setTimeout(e,b.enterDelay)}):(e);if(Prototype.Browser.IE){c.observe("mouseenter",d)}else{c.hovered=false;c.observe("mouseover",function(f){if(!c.hovered){c.hovered=true;d(f)}})}},mouseLeave:function(c,e,b){c=$(c);var d=(b&&b.leaveDelay)?(function(){window.setTimeout(e,b.leaveDelay)}):(e);if(Prototype.Browser.IE){c.observe("mouseleave",d)}else{c.observe("mouseout",function(f){var g=Event.element(f);if(!a(f,c)){d(f);c.hovered=false}})}}});Element.addMethods({hover:function(c,d,e,b){b=Object.extend({},b)||{};Event.mouseEnter(c,d,b);Event.mouseLeave(c,e,b)}})})();