function scrollInit(){theThumb=document.getElementById("thumb");theScroller=document.getElementById("scrollerContent");scroller_obj.load();Drag.init(theThumb,null,0,0,22,124);thumbTravel=theThumb.maxY-theThumb.minY;ratio=scroller_obj.scrollH/thumbTravel;theThumb.onDrag=function(a,b){scroller_obj.jumpTo(null,Math.round((b-theThumb.minY)*ratio))}}updateThumb=function(){var a=parseInt(theScroller.style.top);theThumb.style.top=(-a/ratio+theThumb.minY)+"px"};