var scrollheight = 50 ;		//卷軸高
var lineNum = 1; 
var boardheight = scrollheight*lineNum;	//跑馬燈高
var scrollwidth=180;		//跑馬燈寬
var scrollTimeOut = 10;		//移動時間
var scrollStopTime = 200;	//停留時間 值愈小停留愈短

var doScroll = true;			//是否要跑
var scrollCountTime = 0;	//目前時間
var offSet = scrollheight;	//偏移量
var startStep = 0;

function ScrollBluezz() {
	var thisSc=document.getElementById('scArea');
	thisSc.style.width = scrollwidth;
	thisSc.style.height = boardheight;
	thisSc.style.overflowX = "hidden";
	thisSc.style.overflowY = "hidden";
	thisSc.scrollTop = scrollheight;
	setInterval("scrollUpBluezz()",scrollTimeOut)
}

function scrollUpBluezz() {
	var thisSc=document.getElementById('scArea');
	if (doScroll == false) {
		return;	//不跑
	}
	offSet ++ 
	if (offSet == scrollheight + 1) {
		scrollCountTime ++; 
		offSet--; 
		
		if (scrollCountTime == scrollStopTime) {
			offSet = 0;
			scrollCountTime = 0;
		}
	}else {
		startSetp = thisSc.scrollTop + (scrollheight * lineNum);
		thisSc.scrollTop ++;
		
		if (startSetp == thisSc.scrollTop + (scrollheight * lineNum)) {
			thisSc.scrollTop = scrollheight * (lineNum-1);
			thisSc.scrollTop++;
		}
	}
}