var menus = new Array();
function showMenu(id) 
{
        menus[id] = false;
        getElem(id+'_father').style.textDecoration='underline';
		getElem(id+'_parent').style.visibility = 'visible';
}

function hide (id) 
{
        if (menus[id])
        {			
			getElem(id+'_father').style.textDecoration='none';
			getElem(id+'_parent').style.visibility = 'hidden';
        }
}
function hideMenu(id) 
{
        menus[id] = true;
        window.setTimeout ('hide("'+id+'")', 250);
}

function alterNate(elm){

        if (!elm.base) elm.base = elm.value

        if (elm.value == elm.base) elm.value = "";

        else if (elm.value == "") elm.value = elm.base;
}