+ l = MochiKit.DOM.getElement(lista);
+ if (l.selectedIndex < 0) return;
+
+ /* caso especial, 1 solo item */
+ if (l.options.length == 1) {
+ l.options.length = 0
+ return;
+ }
+
+ for (i=l.selectedIndex; i<l.options.length-1;i++)
+ l.options[i] = l.options[i+1];
+ }
+
+ function _do_add(callback, texto, lista, loading)
+ {
+ url = callback(texto, lista);