function showmenu(ele,ili){
    document.getElementById(ele).style.display="block";
    setActive(ili);
}

function closemenu(ele,ili){
    document.getElementById(ele).style.display="none";
    unsetActive(ili);
}

function setActive(ili,ff,isselect){
    ili.style.background="url('pic/active.gif') repeat-x 0 0";
    if(ff){
        ili.setAttribute("id","ff");
    }
}

function unsetActive(ili,ff,isselect){
    if(!isselect){
        ili.style.background="transparent";
        if(ff){
            ili.removeAttribute("id");
        }
    }
}