var gotlayers = 1;
var loaded;
var version = navigator.appVersion.substr(0,1);
var ns = navigator.appName.indexOf("Netscape") != -1;
var ie = navigator.appName.indexOf("Microsoft") != -1;
var NS4 = ns && version == 4;
var NS6 = ns && version > 4;
var IE4 = ie && version >= 4;
var ver4 = (NS4 || IE4) ? 1 : 0;
function ShowMainPoint(ID)
{
	ShowOnlyLayer('X00000001',0);
	ShowOnlyLayer('X00000002',0);
	ShowOnlyLayer('X00000003',0);
	ShowOnlyLayer('X00000004',0);
	ShowOnlyLayer('X00000005',0);
	ShowOnlyLayer('X00000006',0);
	ShowOnlyLayer('X00000007',0);
	ShowOnlyLayer('X00000008',0);

	ShowHighlighted('A00000001', 0);
	ShowHighlighted('A00000002', 0);
	ShowHighlighted('A00000003', 0);
	ShowHighlighted('A00000004', 0);
	ShowHighlighted('A00000005', 0);
	ShowHighlighted('A00000006', 0);
	ShowHighlighted('A00000007', 0);
	ShowHighlighted('A00000008', 0);

	ShowOnlyLayer('X' + ID, 1);
	ShowHighlighted('A' + ID, 1);
}
function ShowOnlyLayer(layerName, on) {
	if (on) {
		if (NS4) {
			eval("document.layers." + layerName + ".visibility = 'show';");
		}
		if (IE4) {
			document.all[layerName].style.visibility = "visible";
		}
		if (NS6) {
			document.getElementById(layerName).style.visibility = "visible";
		}
	} else {
		if (NS4) {
			eval("document.layers." + layerName + ".visibility = 'hide';");
		}
		if (IE4) {
			document.all[layerName].style.visibility = "hidden";
		}
		if (NS6) {
			document.getElementById(layerName).style.visibility = "hidden";
		}
	}
}
function ShowHighlighted(tdName, on)
{
	if (on) {
		if (NS4) {
			eval("document.layers." + tdName + ".className = 'line2_col2';");
		}
		if (IE4) {
			document.all[tdName].className = "line2_col2";
		}
		if (NS6) {
			document.getElementById(tdName).className = "line2_col2";
		}
	} else {
		if (NS4) {
			eval("document.layers." + tdName + ".className = 'line1_col2';");
		}
		if (IE4) {
			document.all[tdName].className = "line1_col2";
		}
		if (NS6) {
			document.getElementById(tdName).className = "line1_col2";
		}
	}
}