(function($){$.fn.myScroll=function(options){var defaults={speed:40,rowHeight:24};var opts=$.extend({},defaults,options),intId=[];function marquee(obj,step){obj.find("ul").animate({marginTop:'-=1'},0,function(){var s=Math.abs(parseInt($(this).css("margin-top")));if(s>=step){$(this).find(".pl_box").slice(0,1).appendTo($(this));$(this).css("margin-top",0);}});}
this.each(function(i){var sh=opts["rowHeight"],speed=opts["speed"],_this=$(this);intId[i]=setInterval(function(){if(_this.find(".pl_box").height()<=_this.height()){clearInterval(intId[i]);}else{marquee(_this,sh);}},speed);_this.hover(function(){clearInterval(intId[i]);},function(){intId[i]=setInterval(function(){if(_this.find("div").height()<=_this.height()){clearInterval(intId[i]);}else{marquee(_this,sh);}},speed);});});}})(jQuery);