function maximize() {
	if (window.screen) {
		var aw = screen.availWidth;
		var ah = screen.availHeight;
		window.moveTo(0, 0);
		window.resizeTo(aw, ah);
	}
}

function show(obj) {
	if (ns4) obj.visibility = "show";
	else if (ie || ns6) obj.visibility = "visible";
}

function hide(obj) {
	if (ns4) obj.visibility = "hide";
	else if (ie || ns6) obj.visibility = "hidden";
}

function browserTest() {
	ie = false;
	ns4 = false;
	ns6 = false;
	if (document.all)			ie = true;
	else if (document.layers)		ns4 = true;
	else if (document.getElementById)	ns6 = true;
}

function layerWrite(id, text) {
	if (ns4) {
		var lyr = document.layers[id].document
		lyr.open()
		lyr.write(text)
		lyr.close()
	} else if (ns6) {
		var lyr = document.getElementById[id].document
		lyr.open()
		lyr.write(text)
		lyr.close()
	} else if (ie) document.all[id].innerHTML = text
}