function showhidediv(hideshow) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(hideshow).style.display == 'none') {
			document.getElementById(hideshow).style.display = 'block';
		} else {
			document.getElementById(hideshow).style.display = 'none';
		}
	} else if (document.layers) { // Netscape 4
		if (document.hideshow.display == 'none') {
			document.hideshow.display = 'block';
		} else {
				document.hideshow.display = 'none';
		}
	} else { // IE 4
		if (document.all.hideshow.style.display == 'none') {
			document.all.hideshow.style.display = 'block';
		} else {
			document.all.hideshow.style.display = 'none';
		}
	}
}