function hidebox(box) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(box).style.display = 'none';
		document.getElementById(box).style.visibility = 'hidden';
	}
	else {
		if (document.layers) { // Netscape 4
		document.box.display = 'none';
		document.box.visibility = 'hidden';
			}
			else { // IE 4
			document.all.box.style.display = 'none';
			document.all.box.style.visibility = 'hidden';
					 }
	}
}
										
function showbox(box) {
	if (document.getElementById) { // DOM3 = IE5, NS6
			document.getElementById(box).style.display = 'block';
			document.getElementById(box).style.visibility = 'visible';
			}
	else {
	    if (document.layers) { // Netscape 4
	       document.box.display = 'block';
	       document.box.visibility = 'visible';
	       }
	    else { // IE 4
	       document.all.box.style.display = 'block';
	       document.all.box.style.visibility = 'visible';
	       }
	}
}