var playlistSlider;document.observe("dom:loaded",function(){createScrollBar('creditText','credit');Event.observe('track-top_credit','mousedown',function(){scrollContinue=true;Event.observe(document.body,'mouseup',scrollStop);Event.observe('track-top_credit','mouseout',scrollStop);scrollUp();});Event.observe('track-bottom_credit','mousedown',function(){scrollContinue=true;Event.observe(document.body,'mouseup',scrollStop);Event.observe('track-bottom_credit','mouseout',scrollStop);scrollDown();});});function createScrollBar(id,tabName){var num=15;playlistSlider=new Control.Slider('scroll_handle_'+tabName,'track_'+tabName,{axis:'vertical',range:$R(0,num),onSlide:function(v){scrollVertical(v,$(id),playlistSlider);},onChange:function(v){scrollVertical(v,$(id),playlistSlider);}});function scrollVertical(value,element,slider){element.scrollTop=Math.round(value/slider.maximum*(element.scrollHeight-element.offsetHeight));}
if($(id).scrollHeight<=$(id).offsetHeight){}
Event.observe(id,'DOMMouseScroll',wheel);Event.observe(id,'mousewheel',wheel);}
function handle(delta){if(navigator.appName=='Opera'){playlistSlider.setValueBy(delta);}else{playlistSlider.setValueBy(-delta);}}
var scrollContinue=true;function scrollDown(){if(scrollContinue){playlistSlider.setValueBy(1);setTimeout("scrollDown()",100);}}
function scrollUp(){if(scrollContinue){playlistSlider.setValueBy(-1);setTimeout("scrollUp()",100);}}
function scrollStop(){scrollContinue=false;}