function fullImage( url, caption, width, height ) {
var addHeight = (caption) ? 50 : 30;
imageWin = window.open('','','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,scrollbars=no,width=' + (width + 20) + ',height=' + (height + addHeight));
imageWin.document.write('' + caption + '');
imageWin.document.write('
');
imageWin.document.write('
' + caption + '
');
imageWin.document.close();
}