function rm_tb(c){
var c;
top.window.location = "change.php?s="+c+"&url=.";
}

function add(c,u){
var c;
var u;
window.location = "add.php?s="+c+"&u="+u+"";
}

function rem(c,u){
var c;
var u;
window.location = "rem.php?s="+c+"&u="+u+"";
}