var IE = (navigator.appName == "Microsoft Internet Explorer") ? 1 : 0;
var NS = (navigator.appName == "Netscape") ? 1 : 0;
var hideMenu = null;

function Hide(div){

if(IE)eval('document.all.'+div+'.style.visibility="hidden"');
if(NS)eval('document.layers.'+div+'.visibility="hidden"');
}

function Show(div){
if(IE)	eval('document.all.'+div+'.style.visibility="visible"');
if(NS)	eval('document.layers.'+div+'.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) {
if(IE){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ "on.src")
}
if(NS){
document.layers["m"+divNum].document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ "on.src")
}
}

}

function mImgOff(divNum,Num) {
if (document.images) {
if(IE){
document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ ".src")
}
if(NS){
document.layers["m"+divNum].document.images["m" +divNum+ "b" +Num].src = eval("m" +divNum+ "b" +Num+ ".src")
}
}
hideMenu=setTimeout('hideAll()',500)
}


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