function fmenu (objectId) {
    child = document.getElementById(objectId);
    if (child.className == "on")
        child.className = "off";

    else
        child.className = "off";
}


function block(tName)
{
	tMenu = document.all[tName].style;
	if (tMenu.display == 'none') tMenu.display = "block"; else tMenu.display = "none";
}