+FolderDDropControler.prototype._updateCBIndex = function() {
+ var cbs = this.listing.getElementsByTagName('INPUT');
+ var index = 0;
+ var cb;
+ this.checkboxes = [];
+ for (var i=0 ; i < cbs.length ; i++) {
+ cb = cbs[i];
+ if (cb.type === 'checkbox') {
+ cb.position = index++;
+ this.checkboxes[cb.position] = cb;
+ }
+ }
+};
+