var ScrollMap=Class.create();ScrollMap.dest=[];ScrollMap.run=function(obj,type,offsetScroll,position){try{var cont=$(obj).up().up().up().down(),inspectWindow=$(obj).up().up().up().down().down(),inspectWindowScrollers=$(obj).up().up(),offsetScroll=offsetScroll;ScrollMap.dest[position]=ScrollMap.dest[position]==null?0:ScrollMap.dest[position];ScrollMap.scroll(cont,inspectWindow,type,position,offsetScroll)}catch(e){}},ScrollMap.scroll=function(cont,inspectWindow,type,position,offsetScroll){if(type=="up"){if(cont.getHeight()-ScrollMap.dest[position]<inspectWindow.scrollHeight){ScrollMap.dest[position]=ScrollMap.dest[position]-offsetScroll;inspectWindow.style.top=ScrollMap.dest[position]+"px"}}else if(ScrollMap.dest[position]!=0){ScrollMap.dest[position]=ScrollMap.dest[position]+offsetScroll;inspectWindow.style.top=ScrollMap.dest[position]+"px"}};ScrollMap.reset=function(position){ScrollMap.dest[position]=0};