function Comments(id) {

	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(id).style.display == 'none')
			showComments(id);
		else
			hideComments(id);			
	}
	else {
		if (document.layers) { // Netscape 4
			if (document.id.display == 'none')
				showComments(id);
			else
				hideComments(id);
		}
		else { // IE 4
			if (document.all.id.style.display == 'none')
				showComments(id);
			else
				hideComments(id);
		}
	}
}

function hideComments(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showComments(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}