function ShowMenu(elmnt) {
    document.getElementById(elmnt).style.visibility="visible";
}


function HideMenu(elmnt) {
    document.getElementById(elmnt).style.visibility="hidden";
}

function ColorOut(cellName) { 
	cellName.className = "SubMenuItem";
}

function ColorOver(cellName) { 
	cellName.className = "SubMenuItemHover";
}