plugin initialization options

jQuery-multi-open-accordion.js

$(function(){

  // this will make the second tab by default opened (index starts from 0)
  $('#multiAccordion').multiAccordion({active: 1 }); 

  // [ OR ]
  // supports multiple tabs to be opened by default
  $('#multiAccordion').multiAccordion({active: [1, 2, 3] }); 

  // show all tabs
  $('#multiAccordion').multiAccordion({active: 'all' });

  // hide all tabs
  $('#multiAccordion').multiAccordion({active: 'none' });

  // you can set the options as any jQuery UI plugin using option method
  $('#multiAccordion').multiAccordion('option', 'active', 'all');
});