// JavaScript Document
var Speed = 30; //速度(毫秒)
var Space = 5; //每次移动(px)
var fill = 0; //整体移位
var MoveLock = false;
var MoveTimeObj;
var Comp = 0;
var Pageheight = 48;
var AutoPlayObj = null;
GetObj("List2").innerHTML = GetObj("List1").innerHTML;
GetObj('ISL_Cont').scrollTop = fill;
GetObj("ISL_Cont").onmouseover = function(){clearInterval(AutoPlayObj);}
GetObj("ISL_Cont").onmouseout = function(){AutoPlay();}
AutoPlay();
function GetObj(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}
function AutoPlay(){ //自动滚动
 clearInterval(AutoPlayObj);
 AutoPlayObj = setInterval('ISL_GoDown();ISL_StopDown();',5000); //间隔时间
}
function ISL_GoUp(){ //左翻开始
 if(MoveLock) return;
 clearInterval(AutoPlayObj);
 MoveLock = true;
 MoveTimeObj = setInterval('ISL_ScrUp();',Speed);
}
function ISL_StopUp(){ //左翻停止
 clearInterval(MoveTimeObj);
 if(GetObj('ISL_Cont').scrollTop % Pageheight - fill != 0){
  Comp = fill - (GetObj('ISL_Cont').scrollTop % Pageheight);
  CompScr();
 }else{
  MoveLock = false;
 }
 AutoPlay();
}
function ISL_ScrUp(){ //左翻动作
 if(GetObj('ISL_Cont').scrollTop <= 0){GetObj('ISL_Cont').scrollTop = GetObj('ISL_Cont').scrollTop + GetObj('List1').offsetHeight}
 GetObj('ISL_Cont').scrollTop -= Space ;
}
function ISL_GoDown(){ //右翻开始
 clearInterval(MoveTimeObj);
 if(MoveLock) return;
 clearInterval(AutoPlayObj);
 MoveLock = true;
 ISL_ScrDown();
 MoveTimeObj = setInterval('ISL_ScrDown()',Speed);
}
function ISL_StopDown(){ //右翻停止
 clearInterval(MoveTimeObj);
 if(GetObj('ISL_Cont').scrollTop % Pageheight - fill != 0 ){
  Comp = Pageheight - GetObj('ISL_Cont').scrollTop % Pageheight + fill;
  CompScr();
 }else{
  MoveLock = false;
 }
 AutoPlay();
}
function ISL_ScrDown(){ //右翻动作
 if(GetObj('ISL_Cont').scrollTop >= GetObj('List1').scrollHeight){GetObj('ISL_Cont').scrollTop = GetObj('ISL_Cont').scrollTop - GetObj('List1').scrollHeight;}
 GetObj('ISL_Cont').scrollTop += Space ;
}
function CompScr(){
 var num;
 if(Comp == 0){MoveLock = false;return;}
 if(Comp < 0){ //左翻
  if(Comp < -Space){
   Comp += Space;
   num = Space;
  }else{
   num = -Comp;
   Comp = 0;
  }
  GetObj('ISL_Cont').scrollTop -= num;
  setTimeout('CompScr()',Speed);
 }else{ //右翻
  if(Comp > Space){
   Comp -= Space;
   num = Space;
  }else{
   num = Comp;
   Comp = 0;
  }
  GetObj('ISL_Cont').scrollTop += num;
  setTimeout('CompScr()',Speed);
 }
}