// Navigation

function subnavOver(id) {$(id).style.display='block';}
function subnavOut(id) {$(id).style.display='none';}

function hideFlashBanner(id) {
    if ($("flash-banner")) {
        $("flash-banner").style.display='none';
    }
}
function showFlashBanner(id) {
    if ($("flash-banner")) {
        $("flash-banner").style.display='block';
}
}

function navOver(id) {
    if ($(id)) {
        $(id).id=id+"-over";
    }
}

function navOut(id) {
    if ($(id+"-over")) {
        $(id+"-over").id=id;
    }
}

// Submit Form from Link
function submit (id)
{
  $(id).submit() ;
}

function toggle_all_press_releases(event) {
    if($F('subscr_all_press_releases')) {
        $$('.subscr_checkbox').each( function(i) {
            i.setValue( 'Y' )
            i.writeAttribute('disabled', true)
        })
        // Re-enable the all checkbox, better than checking if the current is
        // this one each iteration.
        $('subscr_all_press_releases').writeAttribute('disabled', false);
    }
    else {
        $$('.subscr_checkbox').each( function(i) {
            i.setValue( null )
            i.writeAttribute('disabled', false)
        })
    }
}