40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/*
|
|
* menuExpandable3.js - implements an expandable menu based on a HTML list
|
|
* Author: Dave Lindquist (http://www.gazingus.org)
|
|
*/
|
|
|
|
if (!document.getElementById){
|
|
document.getElementById = function() {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function initializeMenu(menuId, actuatorId) {
|
|
var menu = document.getElementById(menuId);
|
|
var actuator = document.getElementById(actuatorId);
|
|
|
|
if (menu == null || actuator == null){
|
|
return;
|
|
}
|
|
|
|
actuator.parentNode.style.backgroundImage = "url(graphics/plus.png)";
|
|
actuator.onclick = function() {
|
|
var display = menu.style.display;
|
|
this.parentNode.style.backgroundImage =
|
|
(display == "block") ? "url(graphics/plus.png)" : "url(graphics/minus.png)";
|
|
menu.style.display = (display == "block") ? "none" : "block";
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function menuExpandCurrentSection(menuId){
|
|
var menu = document.getElementById(menuId);
|
|
if (menu == null){
|
|
return;
|
|
}
|
|
menu.parentNode.style.backgroundImage = "url(graphics/minus.png)";
|
|
menu.style.display = "block";
|
|
}
|
|
|