wp-includes/js/wp-list-revisions.js

   1 (function(w) {
   2         var init = function() {
   3                 var pr = document.getElementById('post-revisions'),
   4                 inputs = pr ? pr.getElementsByTagName('input') : [];
   5                 pr.onclick = function() {
   6                         var i, checkCount = 0, side;
   7                         for ( i = 0; i < inputs.length; i++ ) {
   8                                 checkCount += inputs[i].checked ? 1 : 0;
   9                                 side = inputs[i].getAttribute('name');
  10                                 if ( ! inputs[i].checked &&
  11                                 ( 'left' == side && 1 > checkCount || 'right' == side && 1 < checkCount && ( ! inputs[i-1] || ! inputs[i-1].checked ) ) &&
  12                                 ! ( inputs[i+1] && inputs[i+1].checked && 'right' == inputs[i+1].getAttribute('name') ) )
  13                                         inputs[i].style.visibility = 'hidden';
  14                                 else if ( 'left' == side || 'right' == side )
  15                                         inputs[i].style.visibility = 'visible';
  16                         }
  17                 }
  18                 pr.onclick();
  19         }
  20         if ( w && w.addEventListener )
  21                 w.addEventListener('load', init, false);
  22         else if ( w && w.attachEvent )
  23                 w.attachEvent('onload', init);
  24 })(window);