Something

  // Select all checkboxes within a range
  function selectRange(from, to) {
    // Traverse through the sibling nodes
    for (var i = from.nextSibling; i; i = i.nextSibling) {
      alert('hi')
      // Make sure that we're only dealing with elements
      if (i.nodeType != 1) continue;

      // If we find a match then we need to stop
      if (to.nodeType) {
        if (i == to) break;
      } 
      else if (jQuery.filter(to, [i]).r.length) break;
      
      i.addClass('selected');
    }
  }