var Speed = 1; //速度(毫秒)
var Space = 6; //每次移动(px)
var PageWidth = 298; //翻页宽度
var fill = 0; //整体移位
var MoveLock = false;
var MoveTimeObj;
var Comp = 0;

var AutoPlayObj = null;
GetObj("count2").innerHTML = GetObj("count1").innerHTML;
GetObj('maindiv1').scrollLeft = fill;
GetObj("maindiv1").onmouseover = function(){clearInterval(AutoPlayObj);}
GetObj("maindiv1").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();',3000); //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('maindiv1').scrollLeft % PageWidth - fill != 0){
		Comp = fill - (GetObj('maindiv1').scrollLeft % PageWidth);
		CompScr();
	}else{
		MoveLock = false;
	}
	AutoPlay();
}
function ISL_ScrUp(){ //上翻动作
	if(GetObj('maindiv1').scrollLeft <= 0){
		GetObj('maindiv1').scrollLeft = GetObj('maindiv1').scrollLeft + GetObj('count1').offsetWidth
	}
	GetObj('maindiv1').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('maindiv1').scrollLeft % PageWidth - fill != 0 ){
		Comp = PageWidth - GetObj('maindiv1').scrollLeft % PageWidth + fill;
		CompScr();
	}else{
		MoveLock = false;
	}
	AutoPlay();
}
function ISL_ScrDown(){ //下翻动作
	if(GetObj('maindiv1').scrollLeft >= GetObj('count1').scrollWidth){
		GetObj('maindiv1').scrollLeft = GetObj('maindiv1').scrollLeft - GetObj('count1').scrollWidth;
	}
	GetObj('maindiv1').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('maindiv1').scrollLeft -= num;
		setTimeout('CompScr()',Speed);
	}else{ //下翻
		if(Comp > Space){
			Comp -= Space;
			num = Space;
		}else{
			num = Comp;
			Comp = 0;
		}
		GetObj('maindiv1').scrollLeft += num;
		setTimeout('CompScr()',Speed);
	}
}