var sp = -180
		var i = 1
		var t = 5
		var e = 0
	
	function firstslide() {
		if (sp < e){
		sp = sp + i;
		document.getElementById('slide0').style.display='block';
		document.getElementById('slide0').style.top= sp + 'px';
		window.setTimeout ('firstslide()', t);
		}
		}