var oilPictures = new Array();
var oilCaptions = new Array();
var quiltPictures = new Array();
var quiltCaptions = new Array();
var specPictures = new Array();
var specCaptions = new Array();
var bigPictures = new Array();
var bigCaptions = new Array();
var errPictures = new Array();
var errCaptions = new Array();
var captions = new Array(oilCaptions, specCaptions, quiltCaptions,
bigCaptions, errCaptions);
var pictures = new Array(oilPictures, specPictures, quiltPictures,
bigPictures, errPictures);
var oilNailWidths = new Array();
var specNailWidths = new Array();
var quiltNailWidths = new Array();
var nailWidths = new Array(oilNailWidths, specNailWidths,
quiltNailWidths);
var oilNailHeights = new Array();
var specNailHeights = new Array();
var quiltNailHeights = new Array();
var nailHeights = new Array(oilNailHeights, specNailHeights,
quiltNailHeights);
var x_coord = 0;
var y_coord = 0;
var oilPopup = null;
var specPopup = null;
var quiltPopup = null;
var bigPopup = null;
var popups = new Array(oilPopup, specPopup, quiltPopup,
bigPopup);
var popupNames = new Array("oilPopup", "specPopup", "quiltPopup",
"bigPopup");
function lookupPicture(name, reportFailure) {
var x;
var y;
name = extractPictureFromURL(name);
for (x = 0; x < pictures.length; x++) {
for (y = 0; y < pictures[x].length; y++) {
if (pictures[x][y] == name) {
x_coord = x;
y_coord = y;
return true
}
}
}
if (reportFailure == true) {
alert("Cannot find picture: " + name);
}
x_coord = pictures.length - 1;
y_coord = 0;
return false;
}
function openPopup(popupSrc, picture) {
var options = 'titlebar=no,toolbar=no,width=620,height=440,' +
'directories=no,status=no,menubar=no,' +
'scrollbars=no,resizable=no';
lookupPicture(picture, true);
if (popups[x_coord] != null) {
popups[x_coord].close();
}
popups[x_coord] = open(popupSrc + "#" + picture,
popupNames[x_coord], options);
popups[x_coord].focus();
}
function openBigPopup() {
var big = extractPictureFromURL(document.pic.src);
var index = big.lastIndexOf(".");
if (index == -1) {
alert("Invalid picture file format: " + big);
return;
}
big = big.substring(0, index) + "_big.jpg";
if (!lookupPicture(big, false)) {
alert("A larger image does not currently exist.");
return;
}
openPopup("bigpopup.html", pictures[x_coord][y_coord]);
}
function extractPictureFromURL(url) {
var index = url.lastIndexOf("#");
if (index != -1) {
url = url.substring(index+1);
if (url == null) {
alert("Cannot extract current picture from URL: " + url);
return "doesnotexist.jpg"
}
}
index = url.lastIndexOf("/");
if (index != -1) {
url = url.substring(index+1);
}
return url;
}
function getBigPictureURL() {
lookupPicture(document.URL, true);
return pictures[x_coord][y_coord];
}
function loadPrevPicture() {
lookupPicture(parent.picframe.document.pic.src, true);
var numPictures = pictures[x_coord].length;
index = (y_coord + numPictures - 1) % numPictures;
loadNewPicture(index);
}
function loadNextPicture() {
lookupPicture(parent.picframe.document.pic.src, true);
var numPictures = pictures[x_coord].length;
index = (y_coord + 1) % numPictures;
loadNewPicture(index);
}
function loadNewPicture(index) {
parent.picframe.document.pic.src = pictures[x_coord][index];
parent.capframe.document.open();
parent.capframe.document.write("");
parent.capframe.document.write(captions[x_coord][index]);
parent.capframe.document.write("");
parent.capframe.document.close();
var myId = index + 1;
var outOf = pictures[x_coord].length;
parent.footframe.document.open();
parent.footframe.document.write("");
parent.footframe.document.write("" + myId + " of " + outOf);
parent.footframe.document.write("");
parent.footframe.document.close();
}
function getInitialContext() {
lookupPicture(parent.document.URL, true);
}
function getInitialPicture() {
getInitialContext();
return pictures[x_coord][y_coord];
}
function getInitialCaption() {
getInitialContext();
return captions[x_coord][y_coord];
}
function getInitialCoords() {
getInitialContext();
var myId = y_coord + 1;
var outOf = pictures[x_coord].length;
return "" + myId + " of " + outOf;
}
function writePictureIndex(x) {
var i;
var j;
document.write("
");
for (i = 0; i < pictures[x].length; i += 7) {
document.write("
");
for (j = i; j < pictures[x].length && j < i + 7; j++) {
document.write("