function select(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		//document.getElementById(id).setAttribute("class", "selected");
		document.getElementById(id).className ="selected";
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.setAttribute("class", "selected");
		}
		else { // IE 4
			document.all.id.setAttribute("class", "selected");
		}
	}
}

function dis_select(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		//document.getElementById(id).setAttribute("class", "none");
				document.getElementById(id).className ="none";
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.setAttribute("class", "none");
		}
		else { // IE 4
			document.all.id.setAttribute("class", "none");
		}
	}
}

function hidediv(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 showdiv(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';
		}
	}
}