(function($){$.fn.marquee=function(o){o=$.extend({speed:parseInt($(this).attr('speed'))||30,step:parseInt($(this).attr('step'))||1,direction:$(this).attr('direction')||'up',pause:parseInt($(this).attr('pause'))||1000},o||{});var dIndex=jQuery.inArray(o.direction,['right','down']);if(dIndex>-1){o.direction=['left','up'][dIndex];o.step=-o.step;}var mid;var div=$(this);var divWidth=div.innerWidth();var divHeight=div.innerHeight();var ul=$("ul",div);var li=$("li",ul);var liSize=li.size();var liWidth=li.width();var liHeight=li.height();var width=liWidth*liSize;var height=liHeight*liSize;if((o.direction=='left'&&width>divWidth)||(o.direction=='up'&&height>divHeight)){if(o.direction=='left'){ul.width(2*liSize*liWidth);if(o.step<0)div.scrollLeft(width);}else{ul.height(2*liSize*liHeight);if(o.step<0)div.scrollTop(height);}ul.append(li.clone());mid=setInterval(_marquee,o.speed);div.hover(function(){clearInterval(mid);},function(){mid=setInterval(_marquee,o.speed);});}function _marquee(){if(o.direction=='left'){var l=div.scrollLeft();if(o.step<0){div.scrollLeft((l<=0?width:l)+o.step);}else{div.scrollLeft((l>=width?0:l)+o.step);}if(l%liWidth==0)_pause();}else{var t=div.scrollTop();if(o.step<0){div.scrollTop((t<=0?height:t)+o.step);}else{div.scrollTop((t>=height?0:t)+o.step);}if(t%liHeight==0)_pause();}}function _pause(){if(o.pause>0){var tempStep=o.step;o.step=0;setTimeout(function(){o.step=tempStep;},o.pause);}}};})(jQuery);$(document).ready(function(){$(".scroll").marquee({direction:"left",step:1,pause:1000});});