(function(){var special=jQuery.event.special,uid1='D'+(+new Date()),uid2='D'+(+new Date()+ 1);special.scrollstart={setup:function(){var timer,handler=function(evt){var _self=this,_args=arguments;if(timer){clearTimeout(timer);}else{evt.type='scrollstart';jQuery.event.handle.apply(_self,_args);}
timer=setTimeout(function(){timer=null;},special.scrollstop.latency);};jQuery(this).bind('scroll',handler).data(uid1,handler);},teardown:function(){jQuery(this).unbind('scroll',jQuery(this).data(uid1));}};special.scrollstop={latency:300,setup:function(){var timer,handler=function(evt){var _self=this,_args=arguments;if(timer){clearTimeout(timer);}
timer=setTimeout(function(){timer=null;evt.type='scrollstop';jQuery.event.handle.apply(_self,_args);},special.scrollstop.latency);};jQuery(this).bind('scroll',handler).data(uid2,handler);},teardown:function(){jQuery(this).unbind('scroll',jQuery(this).data(uid2));}};})();