anchor.diff:        | the Salyut, Almaz, Skylab and Mir stations as the ninth space station to be inhabited. The ISS is a modular
         | structure whose first component was launched in 1998. Like many artificial satellites, the station can be 
         | seen from Earth with the naked eye.
  -    form(id='control', onSubmit="add(); return( false );")
  +    form(id='control', onSubmit="add(); return false;")
  +      h3 Center On
  +      table.table.table-condensed
  +        tbody#centerList
         input(name='channel').input-small
         input(type='button', value='Add', onClick="add();")
  -      h4 Center On:
  -      ul#centerList.nav.nav-pills.nav-stacked
  
positive.code: 
          socket.event.subs.each = function(data){
            $('#centerList')
              .append( $('<li>')
                .append( $('<label>')
                  .attr( 'class', 'radio' )
                  .append( $('<input>')
                    .attr( 'type', 'radio' )
                    .attr( 'name', 'centerOn' )
                    .attr( 'value', data ) )
                  .append( ' '+data+' ' )
                  .append( $('<a>')
                    .attr( 'href', '#' )
                    .attr( 'onClick', 'socket.emit("unsub","'+data+'");socket.emit("subs");' )
                    .append( '&times;' )
                      .attr( 'class', 'btn btn-danger' ) ) ) );
            $('input:radio[name=centerOn]').last().change(function(){
                centerOn = $('input:radio[name=centerOn]:checked').val();
            });
  
negative.code:         map = new google.maps.Map( document.getElementById("map"), opts );
  
          socket.event.subs.begin = function(data){
            $('#centerList tr').remove();
            $('#centerList')
              .append( $('<tr>')
                .append( $('<td>')
                  .append( $('<label>')
                    .attr( 'class', 'radio' )
                    .append( $('<input>')
                      .attr( 'type', 'radio' )
                      .attr( 'name', 'centerOn' )
                      .attr( 'value', 'none' )
                      .attr( 'checked', true ) )
                    .append( ' None' ) ) )
                .append( $('<td>') ) );
  
            $('input:radio[name=centerOn]').last().change(function(){
              centerOn = -1;
            });
  