//var Speed = 5; //速度(毫秒)
//var Space = 10; //每次移动(px) 
//var PageWidth = 170; //翻页宽度 
//var fill = 0;//整体移位 
//var MoveLock = false; 
//var MoveTimeObj; 
//var Comp = 0; 
//var AutoPlayObj = null; 


function addimg(ImgHTML,l,r,id){
	var listImgLength=GetObj(list).getElementsByTagName("img").length;
	if(listImgLength<=4){
		//for(var i=listImgLength;i<4;i++){
			//GetObj(list).innerHTML+=ImgHTML;
		//}
		GetObj(l).style.display="none";
		GetObj(r).style.display="none";
	}else{
		GetObj(id).scrollLeft = fill; 
		GetObj(id).onmouseover = function(){clearInterval(AutoPlayObj)} 
		GetObj(id).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(id).scrollLeft % PageWidth - fill != 0){ 
Comp = fill - (GetObj(id).scrollLeft % PageWidth); 
CompScr(); 
}else{ 
MoveLock = false; 
} 
AutoPlay(); 
} 
function ISL_ScrUp(){ //上翻动作 
if(GetObj(id).scrollLeft <= 0){GetObj(id).scrollLeft = GetObj(id).scrollLeft + GetObj(list).offsetWidth} 
GetObj(id).scrollLeft -= Space ; 
} 
function ISL_GoDown(){ //下翻 
clearInterval(MoveTimeObj); 
if(MoveLock) return; 
clearInterval(AutoPlayObj); 
MoveLock = true; 
ISL_ScrDown(id,list); 
MoveTimeObj = setInterval('ISL_ScrDown()',Speed); 
} 
function ISL_StopDown(){ //下翻停止 
clearInterval(MoveTimeObj); 
if(GetObj(id).scrollLeft % PageWidth - fill != 0 ){ 
Comp = PageWidth - GetObj(id).scrollLeft % PageWidth + fill; 

CompScr(); 
}else{ 
MoveLock = false; 
} 
AutoPlay(); 
} 
function ISL_ScrDown(){ //下翻动作 

if(GetObj(id).scrollLeft >= GetObj(list).scrollWidth){GetObj(id).scrollLeft = GetObj(id).scrollLeft - GetObj(list).scrollWidth;} 
GetObj(id).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(id).scrollLeft -= num; 
setTimeout('CompScr()',Speed); 
}else{ //下翻 
if(Comp > Space){ 
   Comp -= Space; 
   num = Space; 
}else{ 
   num = Comp; 
   Comp = 0; 
} 

GetObj(id).scrollLeft += num; 
setTimeout('CompScr()',Speed); 
} 
}