var speed	= 1
	var currentpos	= 0
	var alt		= 1
	var curpos1	= 0
	var curpos2	=-1
	var timer	= null;
	var cont	= 0;


	function scrollwindow() {
		if (document.all) temp = document.body.scrollTop
		else temp = window.pageYOffset

		
		if (alt==0) alt = 1; 	    else alt = 0;
		if (alt==0) curpos1 = temp; else curpos2 = temp;

		if (curpos1 != curpos2) {

			if (document.all)
				currentpos = document.body.scrollTop + speed
			else
				currentpos = window.pageYOffset + speed

			window.scroll(0,currentpos)
		}
		else {
			parent.FControl.controla();
		}
	}


	function play() {

		if (document.all) pos = document.body.scrollTop
		else pos = window.pageYOffset

		if( pos == 1727 ) {
			window.scroll(0,1)
		}

		timer = setInterval("scrollwindow()",100);
	}

	function stop() {
		clearInterval(timer);
	}