// JavaScript Document
var timeout = new Array();
var imageNum = new Array(); // 显示的图片数量 4
var imageHeight = new Array();//图片高度 124
var imageWidth = new Array(); //图片宽度 124
var imageMove = new Array();//每次移动的图片数量（前后设置时，每组的图片数量应该与此值相同）4
var moveTime = new Array(); //图片移动所需时间 2000
var stopTime = new Array(); //图片停留时间 5000
var scrollType = new Array();//滚动方式descrease(向上或左)inscrease(向下或右)'decrease'
var divPos = new Array();//各组图片当前位置
var scrollPosition = new Array();//滚动方向 'top'
var step = new Array(); //图片滚动距离
var divHeight = new Array(); //可见图层的高度(scrollPosition:top)/宽度(scrollPosition:left)
var decreasePrefix = new Array();//按钮部分前缀
var increasePrefix = new Array();//按钮部分后缀
var group = new Array();
var goScroll = new Array();
var second = new Array();
var cTime = new Array();
var scrollBtnStatus = new Array();//hidden,show
function iniVal(key)
{
	if (!scrollBtnStatus[key]) scrollBtnStatus[key] = 'show';
	divPos[key] = new Array();
	if (scrollPosition[key] == 'top' || scrollPosition[key] =='bottom')
	{
		//if (scrollPosition == 'right')
		//var divHeight = (imageMove+imageNum)*imageHeight;
		//else
		divHeight[key] = imageMove[key]*imageHeight[key];//
		step[key] = imageMove[key]*imageHeight[key];
		if (group[key] * imageMove[key] * imageHeight[key] > imageNum[key]*imageHeight[key])
		goScroll[key] = true;
		else
		goScroll[key] = false;
	}
	else if (scrollPosition[key] == 'left' || scrollPosition[key] =='right')
	{
		//if (scrollPosition == 'right')
		//var divHeight = (imageMove+imageNum)*imageWidth;
		//else
		divHeight[key] = imageMove[key]*imageWidth[key];
		step[key] = imageMove[key]*imageWidth[key];
		if (group[key] * imageMove[key] * imageWidth[key] > imageNum[key]*imageWidth[key])
		goScroll[key] = true;
		else
		goScroll[key] = false;
	}
	for (var i=0;i<group[key];i++)
	{
		divPos[key][i] = i*divHeight[key];
	}
	
	second[key] = 0;
	cTime[key] = null;
	if (goScroll[key])
	timeout[key] = setTimeout(function(){$.autoScroll(key);},stopTime[key]);
	if (!goScroll[key])
	$.setButtonDisable(key);
}