var win = null;
function showImage( imgsrc, width, height, title )
{
if( win != null && !win.closed )
{
win.close();
}
win = window.open( "", "IMAGEPOP", "width=" + width + ",height=" + height );
win.document.open( "text/html" );
win.document.write( '' + title + '
' );
win.document.close();
return false;
}