/* init_update.js - generic handlers for the onLoad and onUpdate events. * (C) Copyright 2003 Kars Meyboom * * LICENSE: * * This code is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This code is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ // -- // -- GLOBALS // -- // This array holds a list of javascript code snippets to evaluate // right after the tag. var preload_snippets = []; // This array holds a list of javascript code snippets to evaluate on // the onLoad event. var init_snippets = []; // This array holds a list of javascript code snippets to evaluate on // the onUpdate event. var update_snippets = []; // This array holds a list of javascript code snippets to evaluate on // each timeout event. var timeout_snippets = []; // -- // -- FUNCTIONS // -- // This function adds the snippet to the list of // snippets to evaluate right after the tag. function at_preload (snippet) { push(preload_snippets, snippet); } // This function adds the snippet to the list of // snippets to evaluate on the onLoad event. function at_init (snippet) { push(init_snippets, snippet); } // This function adds the given snippet to the list of // snippets to evaluate on the onUpdate event. function at_update (snippet) { push(update_snippets, snippet); } // This function adds the given snippet to the list // of snippets to evaluate on each timeout event. function at_timeout (snippet) { push(timeout_snippets, snippet); } // Evaluates all the javascript code snippets in the // preload_snippets array. function preload_handler () { for (var i = 0; i < preload_snippets.length; i++) { //alert('Preload: '+preload_snippets[i]); eval(preload_snippets[i]); } } // Evaluates all the javascript code snippets in the // init_snippets array. This is the handler for the // onLoad event. function onload_handler () { for (var i = 0; i < init_snippets.length; i++) { //alert('Onload: '+init_snippets[i]); eval(init_snippets[i]); } } // Evaluates all the javascript code snippets in the // update_snippets array. This handler is called on // the onResize event and several other events that // affect the page's layout. function onupdate_handler () { for (var i = 0; i < update_snippets.length; i++) { //alert('Onupdate: '+update_snippets[i]); eval(update_snippets[i]); } } // Evaluates all the javascript code snippets in the // timeout_snippets array. function timeout_handler () { for (var i = 0; i < timeout_snippets.length; i++) { eval(timeout_snippets[i]); } setTimeout(timeout_handler, 500); } // -- // -- INITIALISATION CODE // -- at_init('setTimeout(\'timeout_handler()\', 500)');