// Author: blumenuw
// Date: 2002-02-13
// Description: Replace an image dynamically. Note that all images must be preloaded!
// Usage:
// load_image ( Pre-loads an image when the page has loaded. Call this in .
// logicalName The name of the image object.
// filename The filename of the image file.
// )
//
// change_image ( Replace an image dynamically.
// name The name of the image object. This is the same as in ![]()
// logicalName The name of the image object. Its image will be inserted.
// )
//
// HTML usage:
//
//
//
//
// 
// Change image to black
//
// create the image array
var imagePool = new Array();
// load the image into the image array
function load_image(imageKey, imageSrc) {
imagePool[imageKey] = new Image();
imagePool[imageKey].src = imageSrc;
}
// change image
function change_image (imageTagName,imageKey) {
// alert("Change '" + imageTagName + "' to '" + imageKey + "': " + imagePool[imageKey].src);
document.images[imageTagName].src = imagePool[imageKey].src;
}