var Scrolling=false;
function $(o){return document.getElementById(o)}
function ScroMove(){Scrolling=true}
document.onmousemove=function(e){if(Scrolling==false)return;ScroNow(e)}
document.onmouseup=function(e){Scrolling=false}
function ScroNow(event){
var event=event?event:(window.event?window.event:null);
var Y=event.clientY-$("Scroll").getBoundingClientRect().top-$("ScroLine").clientHeight/2;
var H=$("ScroRight").clientHeight-$("ScroLine").clientHeight;
var SH=Y/H*($("ScroLeft").scrollHeight-$("ScroLeft").clientHeight);
if (Y<0)Y=0;if (Y>H)Y=H;
$("ScroLine").style.top=Y+"px";
$("ScroLeft").scrollTop=SH;
}
function ScrollWheel(){
var Y=$("ScroLeft").scrollTop;
var H=$("ScroLeft").scrollHeight-$("ScroLeft").clientHeight;
if (event.wheelDelta >=120){Y=Y-80}else{Y=Y+80}
if(Y<0)Y=0;if(Y>H)Y=H;
$("ScroLeft").scrollTop=Y;
var SH=Y/H*$("ScroRight").clientHeight-$("ScroLine").clientHeight;
if(SH<0)SH=0;
$("ScroLine").style.top=SH+"px";
}