viewing the source, you have changed the end of the script which removed a couple of closing tags.
change:
if (targetselect.options.length > 0) {
targetselect.options[0].selected = true;
/* BEGIN Advanced HTML Editor */
var BaseURL = "../";
/* END Advanced HTML Editor */
to:
if (targetselect.options.length > 0) {
targetselect.options[0].selected = true;
}
}
/* BEGIN Advanced HTML Editor */
var BaseURL = "../";
/* END Advanced HTML Editor */