//
// VARIOUS JAVASCRIPT FUNCTIONS USED IN DISPLAYING PICTURES
//
// Set a variable that will evaluate to "true" if using MSIE 4.0 or greater.
var IE = (navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4);
var NS = (navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4);
// Delcare a variable for a "child" window.
var PictureWindow = null;
// Declare a variable for the CURRENT image's index.
var intCurrentImageIndex;
// Declare a variable for the path to the "images" folder.
var strImagesFolder;
// Declare variables for the current arrow conditions.
var strPrevImageOn = "prev-on.jpg";
var strPrevImageOff = "prev-off.jpg";
var strPrevImageOver = "prev-over.jpg";
var strFirstImageOn = "first-on.jpg";
var strFirstImageOff = "first-off.jpg";
var strFirstImageOver = "first-over.jpg";
var strNextImageOn = "next-on.jpg";
var strNextImageOff = "next-off.jpg";
var strNextImageOver = "next-over.jpg";
var strLastImageOn = "last-on.jpg";
var strLastImageOff = "last-off.jpg";
var strLastImageOver = "last-over.jpg";
// Function to open a separate window for viewing pictures. Once open (or
// if already open), the picture and its caption are displayed in it.
function PictureOpen(intImageIndex)
{
var strCurrentLocation;
intCurrentImageIndex = intImageIndex;
if (intImageIndex < 10)
strImage = "0";
else
strImage = "";
strImage = strImage + intImageIndex;
strPicture = "pic" + strImage + ".jpg";
strTitle = document.title;
strCaption = Captions[intImageIndex - 1];
if (IE)
{
intDefLength = 0;
strHide = "none";
strShow = "inline";
}
else
{
intDefLength = 50;
strHide = "hidden";
strShow = "show";
}
if (! PictureWindow || PictureWindow.closed)
{
// Get current location and then determine the relative location of
// the "images" folder.
strCurrentLocation = location.pathname.substr(location.pathname.indexOf("pictures"));
for (i = 0, strImagesFolder = ""; i < strCurrentLocation.length; i++)
if (strCurrentLocation.charAt(i) == "/")
strImagesFolder = strImagesFolder + "../";
strImagesFolder = strImagesFolder + "images/";
PictureWindow = window.open("", "Picture","location=no,scrollbars=yes");
PictureWindow.document.write(
"Picture from \"" + strTitle + "\"");
PictureWindow.document.write(
"");
}
PictureWindow.document.Image.Source.src = strPicture;
PictureWindow.document.Image.Source.alt = strCaption;
if (intImageIndex == 1)
{
PictureWindow.document.Image.FirstOff.style.display = strShow;
PictureWindow.document.Image.FirstOn.style.display = strHide;
PictureWindow.document.Image.PrevOff.style.display = strShow;
PictureWindow.document.Image.PrevOn.style.display = strHide;
PictureWindow.document.Image.NextOff.style.display = strHide;
PictureWindow.document.Image.NextOn.style.display = strShow;
PictureWindow.document.Image.LastOff.style.display = strHide;
PictureWindow.document.Image.LastOn.style.display = strShow;
}
else if (intImageIndex == Captions.length)
{
PictureWindow.document.Image.FirstOff.style.display = strHide;
PictureWindow.document.Image.FirstOn.style.display = strShow;
PictureWindow.document.Image.PrevOff.style.display = strHide;
PictureWindow.document.Image.PrevOn.style.display = strShow;
PictureWindow.document.Image.NextOff.style.display = strShow;
PictureWindow.document.Image.NextOn.style.display = strHide;
PictureWindow.document.Image.LastOff.style.display = strShow;
PictureWindow.document.Image.LastOn.style.display = strHide;
}
else
{
PictureWindow.document.Image.FirstOff.style.display = strHide;
PictureWindow.document.Image.FirstOn.style.display = strShow;
PictureWindow.document.Image.PrevOff.style.display = strHide;
PictureWindow.document.Image.PrevOn.style.display = strShow;
PictureWindow.document.Image.NextOff.style.display = strHide;
PictureWindow.document.Image.NextOn.style.display = strShow;
PictureWindow.document.Image.LastOff.style.display = strHide;
PictureWindow.document.Image.LastOn.style.display = strShow;
}
if (strCaption.length > 1)
{
if (strCaption.length < 80)
{
PictureWindow.document.Image.TextArea.style.display = strHide;
PictureWindow.document.Image.Text.style.display = strShow;
PictureWindow.document.Image.Text.size = strCaption.length + 6;
PictureWindow.document.Image.Text.style.fontFamily = "Arial";
PictureWindow.document.Image.Text.style.fontSize = "16";
PictureWindow.document.Image.Text.style.borderWidth = "2";
}
else if (strCaption.length < 120)
{
PictureWindow.document.Image.TextArea.style.display = strHide;
PictureWindow.document.Image.Text.style.display = strShow;
PictureWindow.document.Image.Text.size = strCaption.length + 4;
PictureWindow.document.Image.Text.style.fontFamily = "Arial";
PictureWindow.document.Image.Text.style.fontSize = "12";
PictureWindow.document.Image.Text.style.borderWidth = "1";
}
else
{
PictureWindow.document.Image.Text.style.display = strHide;
PictureWindow.document.Image.TextArea.style.display = strShow;
PictureWindow.document.Image.TextArea.cols = 120;
PictureWindow.document.Image.TextArea.style.fontFamily = "MS Sans Serif";
PictureWindow.document.Image.TextArea.style.fontSize = "9";
PictureWindow.document.Image.TextArea.style.borderWidth = "1";
}
PictureWindow.document.Image.Text.innerText = strCaption;
PictureWindow.document.Image.TextArea.innerText = strCaption;
}
else
{
PictureWindow.document.Image.Text.innerText = "";
PictureWindow.document.Image.TextArea.innerText = "";
PictureWindow.document.Image.Text.style.display = strHide;
}
PictureWindow.focus();
}
// Function to close any windows that were opened.
function PictureClose()
{
if (PictureWindow != null)
PictureWindow.close();
}
// Function to display the thumbnail pictures.
function PictureThumbnails()
{
// Loop through printing the thumbnails.
for (j = 1; j <= Captions.length; j++)
{
strThumbnail = "t-pic" + (j < 10 ? "0" : "") + j + ".jpg";
document.write(
"![](" + strThumbnail + ")
" +
" \n");
}
}
function PictureSlide(strDirection)
{
var intNewImageIndex = intCurrentImageIndex;
// See which direction the slide needs to move and set the image index appropriately.
if (strDirection == "NEXT")
intNewImageIndex++;
else if (strDirection == "PREV")
intNewImageIndex--;
else if (strDirection == "FIRST")
intNewImageIndex = 1;
else if (strDirection == "LAST")
intNewImageIndex = Captions.length;
if (intNewImageIndex < 1)
intNewImageIndex = Captions.length;
else if (intNewImageIndex > Captions.length)
intNewImageIndex = 1;
// Open the appropriate image.
PictureOpen(intNewImageIndex);
}