function Logo_Roll() {
		a=document.getElementById('logo')
		a.style.left = parseInt(a.style.left)-1
		if(parseInt(a.style.left) < (-a.offsetWidth+700)){
			a.style.left = -1;
			clearInterval(b);
			Logo_startRoll();
		}

	}
	function Logo_startRoll(){
		if(parseInt(a.style.left) >= (-a.offsetWidth+700))
			b = setInterval("Logo_Roll()", 40);
		
	}
	function Logo_stopRoll(){
		clearInterval(b);
	}
	function Logo_Init(){
		a=document.getElementById('logo')
		a.style.left = 0;
		a.style.top = 0;
		b=setTimeout("Logo_startRoll()",3000);
	}