function allow(uid,f1,f2){
    var findflag = 0;
    var field1 = document.getElementById(f1);
    var thearray = field1.value.split(',');
    for ( var x = 0 ; x <= thearray.length ; x++ ) {
        if ( thearray[x] == uid ) findflag = 1;
    }
    if (findflag == 0){
        field1.value = field1.value+','+uid;
        field1.value = field1.value.replace(',,',',');

        var field2 = document.getElementById(f2);
        var thearray = field2.value.split(',');
        for ( var x = 0 ; x <= thearray.length ; x++ ) {
            if ( thearray[x] == uid ) thearray[x] = '';
        }
        field2.value = thearray.join(',');
        field2.value = field2.value.replace(',,',',');
        if (field2.value == ','){field2.value = '';}
    }
}