zoneminder/web/skins/classic/views/js/server.js

function validateForm(form) {
  var errors = [];
  if ( !form.elements['newServer[Name]'].value ) {
    errors[errors.length] = "You must supply a name";
  }
  if ( errors.length ) {
    alert( errors.join( "\n" ) );
    return( false );
  }
  return( true );
}