//sliding
function fnRollingImage(rollBoxId, itemTagName, direction, moveSpeed, interval, firstIdx, oName, initCollbackFn, moveCollbackFn)
{
	var init = {
		oRollingTimer:null,
		sRollBoxId:rollBoxId,
		sItemTagName:itemTagName,
		sDirection:direction,
		nMoveSpeed:moveSpeed,
		nInterval:interval,
		nStartRollingIdx:firstIdx,
		nCurrRollingIdx:-1,
		nRollingItemWidth:0,
		nRollingItemHeight:0,
		nRollingItemCount:0,
		nCurrItemPosition:0,
		nStartItemPosition:0,
		nCreateObjName:oName,
		initCollbackFn:initCollbackFn,
		moveCollbackFn:moveCollbackFn
	}

	this.RunRollingImage = function()
	{
		//아이템 항목 갯수
		init.nRollingItemCount = $("#" + init.sRollBoxId + " > " + init.sItemTagName).length;
		//아이템 항목 크기
		init.nRollingItemWidth = $("#" + init.sRollBoxId + " > " + init.sItemTagName).width();
		init.nRollingItemHeight = $("#" + init.sRollBoxId + " > " + init.sItemTagName).height();

		if(init.sDirection == "left")
		{
			init.nCurrItemPosition = init.nRollingItemWidth * (-1);
			init.nStartItemPosition = init.nRollingItemWidth + 1;
		}
		else if(init.sDirection == "right")
		{
			init.nCurrItemPosition = init.nRollingItemWidth + 1;
			init.nStartItemPosition = init.nRollingItemWidth * (-1);
		}
		else if(init.sDirection == "top")
		{
			init.nCurrItemPosition = init.nRollingItemHeight * (-1);
			init.nStartItemPosition = init.nRollingItemHeight + 1;
		}
		else if(init.sDirection == "bottom")
		{
			init.nCurrItemPosition = init.nRollingItemHeight + 1;
			init.nStartItemPosition = init.nRollingItemHeight * (-1);
		}

		//처음에 보일 레이어 없으면 범위 내에서 랜덤 추출
		if(init.nStartRollingIdx == null || init.nStartRollingIdx < 0)
			init.nStartRollingIdx = Math.floor(Math.random() * init.nRollingItemCount);

		//세팅후 실행할 함수가 있을때
		try
		{
			if(init.initCollbackFn && init.initCollbackFn.length > 0){
				eval(init.initCollbackFn + "(" + init.nRollingItemCount + ", " + init.nStartRollingIdx.toString() + ")");
			}
		}
		catch(e){}

		if(init.sDirection == "left" || init.sDirection == "right")
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nStartRollingIdx]).css({"left" : "0px"}).show();
		else
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nStartRollingIdx]).css({"top" : "0px"}).show();

		//현재 인덱스값 저장
		init.nCurrRollingIdx = init.nStartRollingIdx;

		//마우스 오버 아웃 이벤트 정의
//		$("#" + init.sRollBoxId)[0].onmouseover = this.StopRollingImage;
//		$("#" + init.sRollBoxId)[0].onmouseout = this.StartRollingImage;

		$("#" + init.sRollBoxId)[0].onmouseover = this.StopRollingImage;
		$("#" + init.sRollBoxId)[0].onmouseout = this.StartRollingImage;

		//타이머 시작
		this.StartRollingImage();
	}

	this.MoveRollingImage = function(userIdx)
	{
		if(isNaN(userIdx) == false)
			init.nStartRollingIdx = userIdx

		if(init.nCurrRollingIdx == init.nStartRollingIdx)
			return;

		//막 빨리누르면 거지같은 현상이 일어난다.. 그래서 현재 레이어가 다 이동된 상태가 아니면 막아버린다.
		if(init.sDirection == "left")
		{
			if($($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).css("left").replace(/px/i,'') > 0)
				return;
		}
		else if(init.sDirection == "right")
		{
			if($($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).css("left").replace(/px/i,'') < 0)
				return;
		}
		else if(init.sDirection == "top")
		{
			if($($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).css("top").replace(/px/i,'') > 0)
				return;
		}
		else if(init.sDirection == "bottom")
		{
			if($($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).css("top").replace(/px/i,'') < 0)
				return;
		}

		if(init.sDirection == "left" || init.sDirection == "right")
		{
			//현재꺼를 밖으로.. / 보일꺼를 안으로..
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).animate({"left":init.nCurrItemPosition.toString() +"px"}, init.nMoveSpeed, function(){$(this).hide();});
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nStartRollingIdx]).css({"left":init.nStartItemPosition +"px"}).show().animate({"left":"0px"}, init.nMoveSpeed);
		}
		else
		{
			//현재꺼를 밖으로.. / 보일꺼를 안으로..
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nCurrRollingIdx]).animate({"top":init.nCurrItemPosition.toString() +"px"}, init.nMoveSpeed, function(){$(this).hide();});
			$($("#" + init.sRollBoxId + " > " + init.sItemTagName)[init.nStartRollingIdx]).css({"top":init.nStartItemPosition +"px"}).show().animate({"top":"0px"}, init.nMoveSpeed);
		}

		//이동후 실행할 함수가 있을때
		try
		{
			if(init.moveCollbackFn && init.moveCollbackFn.length > 0)
				eval(init.moveCollbackFn + "(" + init.nRollingItemCount + ", " + init.nCurrRollingIdx.toString() + ", " + init.nStartRollingIdx.toString() + ")");
		}
		catch(e){}
		init.nCurrRollingIdx = init.nStartRollingIdx;
	}

	this.StartRollingImage = function()
	{

		init.oRollingTimer = setInterval(init.nCreateObjName + ".ResumeRollingImage()", init.nInterval);
	}

	this.StopRollingImage = function()
	{
		if(init.oRollingTimer)
			clearTimeout(init.oRollingTimer);
	}

	this.ResumeRollingImage = function()
	{
		if(init.sDirection == "left" || init.sDirection == "top")
		{
			if(init.nCurrRollingIdx >= init.nRollingItemCount-1)
				init.nStartRollingIdx = 0;
			else
				init.nStartRollingIdx = init.nCurrRollingIdx + 1;
		}
		else
		{
			if(init.nCurrRollingIdx <= 0)
				init.nStartRollingIdx = init.nRollingItemCount-1;
			else
				init.nStartRollingIdx = init.nCurrRollingIdx - 1;
		}
		this.MoveRollingImage();
	}
}

//contents by rolling
function fnRollingContentsBy(ContentsByID)
{
	nItemGrpWidth = $("#" + ContentsByID + " > span").width();
	oCodyBanner = $("#" + ContentsByID).html();
	$(oCodyBanner).css({"left":nItemGrpWidth.toString()+"px"}).appendTo($("#" + ContentsByID));
	if($("#" + ContentsByID).width() > nItemGrpWidth)
		$(oCodyBanner).css({"left":((nItemGrpWidth*2)+1) + "px"}).appendTo($("#" + ContentsByID));
	//양쪽버튼 사용 안할때.. 풀어준다.
	//fnStartRollingContentsBy();
}

function fnStartRollingContentsBy(direction, ContentsByID)
{
	fnStopRollingContentsBy();
	var sDirection = "";
	if(direction && direction == "right")
		sDirection = "right";
	else
		sDirection = "left";

	nShopMallTimer = setInterval("fnResumeRollingContentsBy('"+sDirection+"', '" + ContentsByID + "')", 20);
}

function fnStopRollingContentsBy()
{
	if(nShopMallTimer) clearTimeout(nShopMallTimer);
}

function fnResumeRollingContentsBy(direction, ContentsByID)
{
	if(direction == "left")
	{
		for(nIdx=0; nIdx<$("#" + ContentsByID + " > span").length; nIdx++)
		{
			$($("#" + ContentsByID + " > span")[nIdx]).css({"left":(parseInt($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,'')) - 3).toString() + "px"})
			if(parseInt($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,'')) < (nItemGrpWidth*(-1)))
			{
				$($("#" + ContentsByID + " > span")[nIdx]).css("left",(parseInt($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,''), 10) + parseInt(($("#" + ContentsByID + " > span").length * nItemGrpWidth), 10)).toString()+"px");
			}
		}
	}
	else
	{
		for(nIdx=0; nIdx<$("#" + ContentsByID + " > span").length; nIdx++)
		{
			$($("#" + ContentsByID + " > span")[nIdx]).css({"left":(parseInt($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,'')) + 3).toString() + "px"})
			if(parseInt($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,'')) > $("#" + ContentsByID).width())
				$($("#" + ContentsByID + " > span")[nIdx]).css("left",($($("#" + ContentsByID + " > span")[nIdx]).css("left").replace(/px/i,'') - ($("#" + ContentsByID + " > span").length * nItemGrpWidth)).toString()+"px");
		}
	}
}