var page = 1;
	
	setTimeout('rotate()', 5000);
	
	function rotate(){
		slidepage = page+1;
		if (slidepage > 3){
			slidepage = 1;
		}
		slide(slidepage);
		setTimeout('rotate()', 5000);
	}

	function slide(i){
		document.getElementById('showcase1').style.display='none';
		document.getElementById('showcase2').style.display='none';
		document.getElementById('showcase3').style.display='none';
		//document.getElementById('showcase4').style.display='none';
		page = i;
		
		if(i == 1)
			document.getElementById('showcase1').style.display='block';
		else if (i == 2)
			document.getElementById('showcase2').style.display='block';
		else if (i == 3)
			document.getElementById('showcase3').style.display='block';
		//else if (i == 4)
		//	document.getElementById('showcase4').style.display='block';
	}