// JavaScript Document

var Speed = 10; //速度(毫秒)  
var Space = 5; //每次移动(px)  
var PageWidth = 148; //翻页宽度  
var fill = 0; //整体移位  
var MoveLock = false;  
var MoveTimeObj;  
var Comp = 0;  
var AutoPlayObj = null;  
GetObj("List2").innerHTML = GetObj("List1").innerHTML;  
GetObj('ISL_Cont').scrollLeft = 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(){ //上翻开始  
if(MoveLock) return;  
clearInterval(AutoPlayObj);  
MoveLock = true;  
MoveTimeObj = setInterval('ISL_ScrUp();',Speed);  
}  
function ISL_StopUp(){ //上翻停止  
clearInterval(MoveTimeObj);  
if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0){  
Comp = fill - (GetObj('ISL_Cont').scrollLeft % PageWidth);  
CompScr();  
}else{  
MoveLock = false;  
}  
AutoPlay();  
}  
function ISL_ScrUp(){ //上翻动作  
if(GetObj('ISL_Cont').scrollLeft <= 0){GetObj('ISL_Cont').scrollLeft = GetObj('ISL_Cont').scrollLeft + GetObj('List1').offsetWidth}  
GetObj('ISL_Cont').scrollLeft -= Space ;  
}  
function ISL_GoDown(){ //下翻  
clearInterval(MoveTimeObj);  
if(MoveLock) return;  
clearInterval(AutoPlayObj);  
MoveLock = true;  
ISL_ScrDown();  
MoveTimeObj = setInterval('ISL_ScrDown()',Speed);  
}  
function ISL_StopDown(){ //下翻停止  
clearInterval(MoveTimeObj);  
if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0 ){  
Comp = PageWidth - GetObj('ISL_Cont').scrollLeft % PageWidth + fill;  
CompScr();  
}else{  
MoveLock = false;  
}  
AutoPlay();  
}  
function ISL_ScrDown(){ //下翻动作  
if(GetObj('ISL_Cont').scrollLeft >= GetObj('List1').scrollWidth){GetObj('ISL_Cont').scrollLeft = GetObj('ISL_Cont').scrollLeft - GetObj('List1').scrollWidth;}  
GetObj('ISL_Cont').scrollLeft += Space ;  
}  
function CompScr(){  
var num;  
if(Comp == 0){MoveLock = false;return;}  
if(Comp < 0){ //上翻  
if(Comp < -Space){  
   Comp += Space;  
   num = Space;  
}else{  
   num = -Comp;  
   Comp = 0;  
}  
GetObj('ISL_Cont').scrollLeft -= num;  
setTimeout('CompScr()',Speed);  
}else{ //下翻  
if(Comp > Space){  
   Comp -= Space;  
   num = Space;  
}else{  
   num = Comp;  
   Comp = 0;  
}  
GetObj('ISL_Cont').scrollLeft += num;  
setTimeout('CompScr()',Speed);  
}  
}