function showDiv(d) {
	
	var divs = document.getElementById(d);
	if (document.getElementById){ // DOM3 = IE5, NS6
		divs.style.visibility="visible";// show/hide
		divs.style.display="block";
		}
		else {
				if (document.layers) // Netscape 4
					document.layers[divs].display = 'visible';
				else // IE 4
					document.all.divs.visibility = 'visible';
		} 
}

function offDiv(d) {
	
	var divs = document.getElementById(d);
	if (document.getElementById){ // DOM3 = IE5, NS6
		divs.style.visibility="hidden";// show/hide
		divs.style.display="none";
		}
		else {
				if (document.layers) // Netscape 4
					document.layers[divs].display = 'hidden';
				else // IE 4
					document.all.divs.visibility = 'hidden';
		} 
}