Changes into page_part edition.

Can choose between 'text', 'public_r_tag' and 'widget'

app/assets/javascripts/page_edit.js

@@ -19,3 +19,12 @@ $("#page_module_app_id").live('change', function() {
 		$("#app_page_url").children().remove();
 	}
 });
+
+$("#module_app_list select").live('change', function() {
+	$.getScript($(this).attr('rel') + '/' + $(this).val() + '/reload_widgets');
+});
+
+$('.part_kind').live('click', function() {
+	$('.part_kind_partial').hide();
+	$('#part_' + $(this).attr('value')).show();
+});