(function($){$.fn.extend({scrollList:function(direction,pixels_per_second,delay){if('undefined'==typeof(pixels_per_second)){pixels_per_second=20;}
if('undefined'==typeof(delay)){delay=1000;}
if('undefined'==typeof(direction)||-1==$.inArray(direction,['up','down','left','right'])){direction='up';}
var $list=$(this);var $lis=$list.children('li');var $current_li;var pixels_per_millisecond=pixels_per_second/1000;var easing=(delay==0)?'linear':'swing';if('static'==$list.css('position')){$list.css('position','relative');}
if('left'==direction||'right'==direction){var text=[];this.each(function(){var children=this.childNodes;for(var i=0;i<children.length;i++){var child=children[i];if(child.nodeType==3){text.push(child);}}});$(this.pushStack(text)).remove();}
if('up'==direction||'left'==direction){$current_li=$lis.filter(':first');}
else{var $last_li=$lis.filter(':last');if('down'==direction){$list.css('top','-'+$last_li.outerHeight()+'px');}
else{$list.css('left','-'+$last_li.outerWidth()+'px');}
$last_li.remove();$lis.filter(':first').before($last_li);$lis=$list.children('li');$current_li=$lis.filter(':last');}
function scrollListNext(){var distance,property;var css={};if('up'==direction||'down'==direction){property='top';distance=$current_li.outerHeight();}
else{property='left';distance=$current_li.outerWidth();}
switch(direction){case'up':css.top='-'+distance+'px';break;case'right':css.left=0;break;case'down':css.top=0;break;case'left':css.left='-'+distance+'px';break;};var duration=distance/pixels_per_millisecond;$list.animate(css,duration,easing,function(){$current_li.remove();if('up'==direction||'left'==direction){$list.css(property,0);$lis.filter(':last').after($current_li);$lis=$list.children('li');$current_li=$lis.filter(':first');}
else{$list.css(property,'-'+distance+'px');$lis.filter(':first').before($current_li);$lis=$list.children('li');$current_li=$lis.filter(':last');}
setTimeout(scrollListNext,delay);});};setTimeout(scrollListNext,delay);}});})(jQuery);