ikiwiki/underlays/javascript/ikiwiki.js

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// ikiwiki's javascript utility function library
var hooks;
// Run onload as soon as the DOM is ready, if possible.
// gecko, opera 9
if (document.addEventListener) {
document.addEventListener("DOMContentLoaded", run_hooks_onload, false);
}
// other browsers
window.onload = run_hooks_onload;
function run_hooks_onload() {
// avoid firing twice
if (arguments.callee.done)
return;
arguments.callee.done = true;
run_hooks("onload");
}
function run_hooks(name) {
if (typeof(hooks) != "undefined") {
for (var i = 0; i < hooks.length; i++) {
if (hooks[i].name == name) {
hooks[i].call();
}
}
}
}
function hook(name, call) {
if (typeof(hooks) == "undefined")
hooks = new Array;
hooks.push({name: name, call: call});
}
function getElementsByClass(cls, node, tag) {
if (document.getElementsByClass)
return document.getElementsByClass(cls, node, tag);
if (! node) node = document;
if (! tag) tag = '*';
var ret = new Array();
var pattern = new RegExp("(^|\\s)"+cls+"(\\s|$)");
var els = node.getElementsByTagName(tag);
for (i = 0; i < els.length; i++) {
if ( pattern.test(els[i].className) ) {
ret.push(els[i]);
}
}
return ret;
}