function active(id){
    document.getElementById(id).rel = document.getElementById(id).rel.replace('0|','1|');
}

function unactive(id){
    document.getElementById(id).rel = document.getElementById(id).rel.replace('1|','0|');
}

function sactive(id){
    document.getElementById(id).rel = document.getElementById(id).rel.replace('0|','1|');
}

function sunactive(id){
    document.getElementById(id).rel = document.getElementById(id).rel.replace('1|','0|');
}