function act(which)	{
	var button=document.getElementById(which.toString());
	button.style.background = '#000000';
}
function inact(which)	{
	var button=document.getElementById(which.toString());
	button.style.background = '';
}

function setImage()
{
var rand = Math.floor( (Math.random() * 5)+1);
document.getElementById('homepic').src = "images/home" + rand + ".jpg";
}