$(document).ready(function() {
  $('div.expandable span').expander({
    slicePoint:       500,  // default is 100
    expandText:         'Mehr', // default is 'read more...'
    collapseTimer:    0, // re-collapses after 5 seconds; default is 0, so no re-collapsing
    userCollapseText: '[^]'  // default is '[collapse expanded text]'
  });
});