var d = document;

brwsr = new Array(3);

var nam = navigator.appName;

if (nam.indexOf('Explorer') != -1) {
	ver = navigator.appVersion.split('; ');
	brwsr = ver[1].split(' ');
	brwsr[2] = ver[2].substr(0,3);
} else if (nam.indexOf('Netscape') != -1) {
	ver = navigator.appVersion.split(' ');
	brwsr[0] = 'NN';
	brwsr[1] = ver[0];
	ver = navigator.appVersion.split('; ');
	ver = ver[0].split('(');
	brwsr[2] = ver[1].substr(0,3);
} else {
	brwsr = navigator.appName.split(' ');
	ver = navigator.appVersion.split(' ');
	brwsr[0] = '?' + brwsr[0];
	brwsr[1] = ver[0];
	ver = navigator.appVersion.split('; ');
	ver = ver[0].split('(');
	brwsr[2] = ver[1].substr(0,3);
}

function objLayer(id) {
	if (brwsr[0] == 'NN') {
		if (brwsr[1].charAt(0) > 4) {
			lyr = d.getElementById(id).style;
		} else {
			lyr = d.layers[id];
		}
	} else if (brwsr[0] == 'MSIE') {
		lyr = d.all[id].style;
	} else {
		lyr = d.all[id].style;
	}
	return lyr;
}

function objForm(id) {
	if (brwsr[0] == 'NN' && brwsr[1].charAt(0) <= 4) {
		frm = d.layers['div' + id].document['frm' + id];
	} else if (brwsr[0] == 'MSIE') {
		frm = d['frm' + id];
	} else {
		frm = d['frm' + id];
	}
	return frm;
}

function lyrFlip(img,shw) {
	alert(img + "\r" + shw);
	for (i in aryBtn) {
		if (img != aryBtn[i]) {
			objLayer(aryBtn[i] + '-o');
			lyr.visibility = 'hidden';
			objLayer(aryBtn[i] + 'D-o');
			lyr.visibility = 'hidden';
		}
	}
	objLayer(img + '-o');
	lyr.visibility = (shw == true ? 'visible' : 'hidden');
//	setTimeout("lyr.visibility = 'hidden'",8000);
}


function aryToggle($ary,$tgl) {
	$tgl = ($tgl) ? 'visible' : 'hidden';
//	alert($tgl);
	for ($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';
//	alert($tgl);
	if (document.layers) {
		document.layers[$div].visibility = $tgl;
	} else if (document.all) {
		document.all[$div].style.visibility = $tgl;
	} else if (document.getElementById) {
		document.getElementById($div).style.visibility = $tgl;
	}
}