function setSess(n) {
	location.href='?id='+n;
}
function teset() {
	var ids = Array('home', 'product', 'contact', 'links');
	for (i=0; i < ids.length; i++)
	{
		document.getElementById(ids[i]).style.display = 
		(i == n ? '' : 'none');
	}
}
function	ranpic() {
	var max = 4;
	var r = Math.floor(Math.random()*max + 1);
	var dnm = 'inH/image/web/bg_' + r + '.jpg';
	document.getElementById('bbr').style.backgroundImage = 'url("'+dnm+'")';
}