function showHide (id) {
    hide()
    var div = document.getElementById("comLinks" + id);
    if (div)
        div.style.display = 'block';
}

function hideAll () {
    if(typeof(timer)!='undefined'){
        clearTimeout(timer)
    }
    timer = setTimeout (hide, 2000);
}
 
function hide(){
    for (i=1;i<=6;i++) {
        var div = document.getElementById("comLinks" + i);
        if (div)
            div.style.display = 'none';
    }
}