function hideDiv(elementId) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById(elementId).style.visibility = 'hidden'; 
		document.getElementById(elementId).style.display = 'none'; 
	} else { 
		if (document.layers) { // Netscape 4 
			document.hideShow.visibility = 'hidden'; 
		} 
		else { // IE 4 
			document.all.hideShow.style.visibility = 'hidden'; 
		} 
	} 
}

function showDiv(elementId) { 
	if (document.getElementById) { // DOM3 = IE5, NS6 
		document.getElementById(elementId).style.visibility = 'visible'; 
		document.getElementById(elementId).style.display = 'block'; 
	} else { 
		if (document.layers) { // Netscape 4 
			document.hideShow.visibility = 'visible'; 
		} 
		else { // IE 4 
			document.all.hideShow.style.visibility = 'visible'; 
		} 
	} 
} 

function toggleDiv(elementId) {
	if (document.getElementById) { // DOM3 = IE5, NS6 
		if (document.getElementById(elementId).style.visibility == 'hidden') {
			showDiv(elementId);
		} else {
			hideDiv(elementId);
		}
	}
}