function popImg(imageURL) {
var imgWin = window.open('about:blank','imgWin','width=640, height=480, left=100, top=100');
with (imgWin.document) {
writeln('<html><head><title>Loading...</title>');
writeln('<style type="text/css"><!-- body { margin: 0px; background: black; } --></style></head>');
writeln('<body onload="self.focus();"><a href="javascript:top.window.close()"><img id="pic" style="display:none" /></a></body></html>');
close();
}
var img = new Image();
img.src = imageURL;
img.onload = function() { sizeImgWin(imgWin, img) };
}

function sizeImgWin(win, img) {
var new_w = img.width;
var new_h = img.height;
var old_w = self.innerWidth || document.body.offsetWidth;
var old_h = self.innerHeight || document.body.offsetHeight;
if (!new_w) { new_w = old_w; }
if (!new_h) { new_h = old_h; }
new_w -= old_w; new_h -= old_h;

win.document.title = img.src.substring(img.src.lastIndexOf("/")+1);
var pic = win.document.getElementById('pic');
pic.src = img.src;
pic.style.display = 'block';
}
