// JavaScript Document
window.onload = function()
{

document.getElementById('thumb1').style.visibility='hidden';
document.getElementById('thumb2').style.visibility='hidden';
document.getElementById('thumb3').style.visibility='hidden';
document.getElementById('thumb4').style.visibility='hidden';
document.getElementById('thumb5').style.visibility='hidden';
}
var i=0;
function goto(location){
for(j=0;j<5;j++){
			document.getElementById("thumb"+i).style.visibility = 'hidden';
		}
		document.getElementById("thumb"+location).style.visibility = 'visible';  
		i=location;
}
function doit(direction) 
{ 
	for(j=0;j<5;j++){
			document.getElementById("thumb"+i).style.visibility = 'hidden';
		}
		i=i+direction; 
	 if(i<0){
	 	i=5;
		} else if(i>5){
			i=0;
			} 
			document.getElementById("thumb"+i).style.visibility = 'visible';  
			}