var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);

if ( (browserName == "Netscape") && (browserVer == 4) ) version="n4";
else if ( browserName == "Netscape" && browserVer >= 5) version="n5";
else if ((browserName=="Microsoft Internet Explorer" && browserVer>=4)) version="ie4";


if (version == "n4") {
	layerStyleRef     = "layer.";
	layerRef          = "document.layers";
	layerLeftBracket  = "[";
	layerRightBracket = "]";
	styleSwitch       = "";
}

if (version == "n5") {
	layerStyleRef     = "layer.";
	layerRef          = "document.getElementById";
	layerLeftBracket  = "(";
	layerRightBracket = ")";
	styleSwitch       = ".style";
}

if (version == "ie4") {
	layerStyleRef     = "layer.style.";
	layerRef          = "document.all";
	layerLeftBracket  = "[";
	layerRightBracket = "]";
	styleSwitch       = ".style";
}

var hideMenu = null;
function Hide(div){
	eval(layerRef + layerLeftBracket + '"' + div + '"' + layerRightBracket + styleSwitch + '.visibility = "hidden"');
}
function Show(div){
	eval(layerRef + layerLeftBracket + '"' + div + '"' + layerRightBracket + styleSwitch + '.visibility = "visible"');
}
function imgOn(Num) {
hideAll();
if (document.images) {
document.images["b" +Num].src = eval("b" +Num+ "on.src")
}
}
function imgOff(Num) {
if (document.images) {
document.images["b" +Num].src = eval("b" +Num+ ".src")
}
}

//MenuMouseOver
function mImgOn(divNum,Num) {
clearTimeout(hideMenu);
if (document.images) {
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ "on.src")
}
}
function mImgOff(divNum,Num) {
if (document.images) {
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ ".src")
}
hideMenu=setTimeout('hideAll()',50)
}

function hideAll(){
Hide('m1');
Hide('m2');
Hide('m3');
}