function showmenu(menu,style,side)
{
document.all(menu).style.visibility="visible";
document.all(side).style.background="4080B0";
document.all(side).style.width="1px";
style.backgroundImage='url(images/downarrowhover.jpg)';
}
function hidemenu(menu,style,side)
{
document.all(menu).style.visibility="hidden";
document.all(side).style.background=""
style.backgroundImage='';
}
function showsubmenu(submenu,style)
{
document.all(submenu).style.visibility="visible";
style.backgroundImage='url(images/leftarrowhover.jpg)';
}
function hidesubmenu(submenu,style)
{
document.all(submenu).style.visibility="hidden";
style.backgroundImage='';
}