function aryToggle($ary,$tgl) {
//	alert($tgl);
	$tgl = ($tgl) ? 'visible' : 'hidden';
	for ($x in $ary) {
		if (document.layers) {
			document.layers[$ary[$x]].visibility = $tgl;
		} else if (document.all) {
			document.all[$ary[$x]].style.visibility = $tgl;
		} else if (document.getElementById) {
			document.getElementById($ary[$x]).style.visibility = $tgl;
		}
	}
}
function lyrToggle($div,$tgl) {
	$tgl = ($tgl) ? 'visible' : 'hidden';
	if (document.layers) {
		document.layers[$div].visibility = $tgl;
	} else if (document.all) {
		document.all[$div].style.visibility = $tgl;
	} else if (document.getElementById) {
		document.getElementById($div).style.visibility = $tgl;
	}
}
function disToggle($div,$tgl) {
	$tgl = ($tgl) ? 'block' : 'none';
	if (document.layers) {
		document.layers[$div].display = $tgl;
	} else if (document.all) {
		document.all[$div].style.display = $tgl;
	} else if (document.getElementById) {
		document.getElementById($div).style.display = $tgl;
	}
}