function import_url( filename )
{
    // create new script container
    var js_file = document.createElement('script')
    js_file.setAttribute('type', 'text/javascript')
    js_file.setAttribute('src', filename )
    // append new script file to the "head" container
    document.getElementsByTagName('head')[0].appendChild(js_file)
}

import_url( "/themes/default/data/js/menu/event.min.js" );
import_url( "/themes/default/data/js/menu/hquery.js" );
import_url( "/themes/default/data/js/menu/hmenu.js" );
import_url( "/themes/default/data/js/menu/options.js" );