--- Webpacus/root/js/webpac.js	2005/11/26 16:21:57	158
+++ Webpacus/root/js/webpac.js	2005/11/26 16:22:02	159
@@ -3,11 +3,59 @@
 // Documented in this code only, I'm afraid. Beware of dragons!
 // Dobrica Pavlinusic dpavlin(at)rot13(dot)org 2005-11-22
 
+/*
+	load another template
+*/
 function load_template(template_name) {
-	Logger.info('load_template '+template_name+' old template is '+$('template_name').value);
+
+	var old_template = $('template_name').value;
+
+	Logger.info('load_template: '+template_name+' (old: '+old_template+')');
+
+	if (template_name == old_template) {
+		Logger.error('why reload same template?');
+		return false;
+	}
 
 	$('template_name').value = template_name;
+	submit_results_form();
+}
+
+/*
+	pager
+*/
+function load_results_page(page_nr) {
+
+	var old_page = current_page_nr();
+
+	Logger.info('load_results_page: '+page_nr+' (from page: '+old_page+')');
+
+	if (page_nr == old_page) {
+		Logger.error('why reload same page?');
+		return false;
+	}
+
+	$('page_nr').value = page_nr;
+	submit_results_form();
+}
+
+function current_page_nr() {
+	var page_nr = parseInt( $('page_nr').value ) || 0;
+	return page_nr;
+}
+
+function next_page() {
+	load_results_page( current_page_nr() + 1 );
+}
+
+function prev_page() {
+	load_results_page( current_page_nr() - 1 );
+}
 
+/*
+	submit results form using AJAX
+*/
+function submit_results_form() {
 	var results_form = $('results_form');
 
 	if (results_form) {
@@ -30,6 +78,9 @@
 	}
 }
 
+/*
+	helper functions for submit_results_form()
+*/
 function show_searching() {
 	Logger.debug('show_searching');
 	Element.show('searching');