function showmenu(id){
if (document.getElementById){
eval("document.getElementById(id).style.visibility = 'visible'");
}else{
if (document.layers){
document.layers[id].visibility = 'show';
}else{
if (document.all){
eval("document.all." + id + ".style.visibility = 'visible'");
}
}
}
}
 
function hidemenu(id){
if (document.getElementById){
eval("document.getElementById(id).style.visibility = 'hidden'");
}else{
if (document.layers){
document.layers[id].visibility = 'hide';
}else{
if (document.all){
eval("document.all." + id + ".style.visibility = 'hidden'");
}
}
}
}


function mlon(id){
newcolor = "black";
document.getElementById(id).style.color = newcolor
}
function mloff(id){
newcolor = "white";
document.getElementById(id).style.color = newcolor
}