var win = null;
var base = null;
function noop()
{
}
function set_picture_base(pbase)
{
base = pbase;
}
function pop_image(picfile, x, y,
stylesheet, style_caption, style_close,
title, caption, alt, win_name)
{
var xbuf = 60;
var ybuf = 120;
var xmargin = 100;
var ymargin = 100;
if (win != null)
{
if (!win.closed)
win.close();
win = null;
}
// For convenience, the base URL of all pictures can be specified seperately
if (base != null)
picfile = base + picfile;
if (win_name == null) win_name = '_blank';
if (title == null) title = 'Untitled';
if (caption == null) caption = title;
if (alt == null) alt = caption;
// Having in the caption, causes dev studio (at least) great problems,
// so I'm using !br! instead; convert now
caption = caption.replace('!br!', ' ');
// Similar issue with quotes
title = title.replace('!sq!', "'");
caption = caption.replace('!sq!', "'");
// Ensure window will fit on screen (allow 100 pixel buffer)
var oldx = x;
var oldy = y;
if (x + xbuf + xmargin > screen.availWidth)
x = screen.availWidth - xbuf - xmargin;
if (y + ybuf + ymargin > screen.availHeight)
y = screen.availHeight - ybuf - ymargin;
var xr = x/oldx;
var yr = y/oldy;
if (xr < yr)
y = oldy * xr;
else if (yr < xr)
x = oldx * yr;
// Add scroll bars if necessary
var bScroll = false;
if (x < oldx || y < oldy)
{
bScroll = true;
ybuf += 200;
xbuf -= 150;
}
// Adding padding around picture
var winx = x + xbuf;
var winy = y + ybuf;
// Center in window (IE doesn't support window h/w)
var left = (screen.availWidth - winx) / 2;
var top = (screen.availHeight - winy) / 2;
var win_options = 'hotkeys=no'
+ ',height=' + winy
+ ',width=' + winx
+ ',left=' + left
+ ',top=' + top
+ ',location=no'
+ ',menubar=no'
+ ',resizable=yes';
if (bScroll)
win_options += ',scrollbars=yes';
win = window.open('', win_name, win_options);
var doc = win.document;
doc.writeln('');
doc.writeln('');
doc.writeln('' + title + '');
doc.writeln('');
if (stylesheet != null)
{
doc.writeln('');
doc.writeln('');
}
doc.writeln('');
doc.writeln('');
doc.writeln('
');
doc.writeln('');
doc.writeln('');
if (style_caption != null)
doc.writeln('
');
else
doc.writeln('
');
doc.writeln(caption + '
');
doc.writeln('');
doc.writeln('
');
if (style_close != null)
doc.writeln('close window');
doc.writeln('