function OpenBigImage(imgFileName,imgTitle,imgWidth,imgHeight) {
if (!imgWidth) {
var imgWidth = 640;
}
if (!imgHeight) {
var imgHeight = 480;
}
if (imgWidth > imgHeight) {
var imageWindow = window.open('','imageWindow','width=660,height=540,scrollbars=no,toolbars=no,resizable=no');
} else {
var imageWindow = window.open('','imageWindow','width=500,height=700,scrollbars=no,toolbars=no,resizable=no');
}
var imageDocument = imageWindow.document;
imageDocument.write('' + imgTitle + '\n');
imageDocument.write('\n\n');
if (imgWidth > imgHeight) {
imageDocument.write('
\n');
} else {
imageDocument.write('
\n');
}
imageDocument.write('\n');
imageDocument.write('');
imageDocument.close();
}