// Expanding images script copyright Matthew LaCerais MLacerais@osc.state.ny.us
// Distributed by hypergurl http://www.hypergurl.com
// Permission to use script granted if above credits are left intact
// see http://www.hypergurl.com/expandpic.html
var expansion = 0.3;
var increment = (1 + expansion/2)*imageWidth;
function resizeImage(e) {
if (lastNumber == 0) {
ignoreMouse();
return;
}
if (document.layers) { //Netscape
var xMousePos = e.pageX;
var xMousePosMax = window.innerWidth+window.pageXOffset;
} else if (document.all) { // IE
var xMousePos = window.event.x+document.body.scrollLeft;
// var xMousePosMax = document.body.offsetWidth;
var xMousePosMax = document.documentElement.clientWidth;
} else if (document.getElementById) {//Netscape 6
var xMousePos = e.pageX;
var xMousePosMax = window.innerWidth+window.pageXOffset;
}
var xMiddle = xMousePosMax/2;
var middleImageNumber;
if (images.length%2 != 0) { // odd number of images
middleImageNumber = (images.length+1)/2;
} else { // even number of images
middleImageNumber = images.length/2 + .5;
}
for (z=1; z<=images.length; z++) {
var picture = document.getElementById("picture" + z);
var xImageMiddle = xMiddle + (z-middleImageNumber) * (increment+imageSpacing);
var delta = Math.abs(xMousePos - xImageMiddle);
var deltaNormalized = delta/xMiddle;
var i = 1 + expansion - deltaNormalized;
if (i < 1) i = 1;
picture.width=(imageWidth * i);
picture.height=(imageHeight * i);
}
//var obj = document.getElementById("text");
//obj.innerHTML = "xMousePos="+xMousePos+" xMousePosMax="+xMousePosMax+" xMiddle="+xMiddle;
}
var lastNumber = 0; // needed to turn off expansion when we leave the image area
function output(number) {
//return;
lastNumber = number;
var message;
if (number == 0) {
message = "";
} else {
message = captions[number-1];
}
var obj = document.getElementById("text");
obj.innerHTML = "
"+message+"
";
}
function handleMouse() {
if (document.layers) { // Netscape
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = resizeImage;
} else if (document.all) { // Internet Explorer
document.onmousemove = resizeImage;
} else if (document.getElementById) { // Netcsape 6
document.onmousemove = resizeImage;
}
}
function doNothing(e) {
for (z=1; z<=images.length; z++) {
var picture = document.getElementById("picture" + z);
picture.width=(imageWidth);
picture.height=(imageHeight);
}
}
function ignoreMouse() {
if (document.layers) { // Netscape
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = doNothing;
} else if (document.all) { // Internet Explorer
document.onmousemove = doNothing;
} else if (document.getElementById) { // Netcsape 6
document.onmousemove = doNothing;
}
}
function ShowPics() {
document.write(
'
' +
'
' +
'
' +
'
');
for (var i=1; i<=images.length; i++) {
if (i != 1) {
document.write('');
}
document.write(
'' +
'' +
'');
}
document.write(
'