function scroll(){
    var a=document.body.scrollTop+176 
        
    left.style.top=a
	
	var b=document.body.scrollTop+360
        
    left2.style.top=b
	
	var c=document.body.scrollTop+210
        
    left3.style.top=c
	
	//var d=document.body.scrollTop+410
        
    //left4.style.top=d 
    }
	
	function makeArray(n) {
		this.length = n;
	}
	
	function stopBanner() {
		if (bannerRunning)
			clearTimeout(timerID);
			bannerRunning = false;
	}
	
	function startBanner() {
		stopBanner();
		showBanner();
	}
	
	function showBanner() {
		var text = ar[currentMessage];
		window.status = text;
		timerID = setTimeout("showBanner()", speed);
	}
	
	var speed = 100 
	var pause = 10
	var timerID = null;
	var bannerRunning = false;
	var currentMessage = 0;
	var offset = 0;
	
	var arlength = 3; 
	var ar = new makeArray(arlength); 
	ar[0] = "捻捻具 村哪";
	ar[1] = "捻捻具 村哪";
	ar[2] = "捻捻具 村哪"
	
	startBanner();