function showimg(imgname, winwid, winhgt, imgtitle) {
//var winhgt = screen.availHeight - 40;
//if (type == 1) {
// var winwid = winhgt * 1.33333333;
// }
//else {
// var winwid = winhgt * .75;
// }
var winfeatures = "scrollbars=no,width=" + winwid + ",height=" + winhgt + ",left=8,top=6";
// var winfeatures = "scrollbars=no,left=8,top=6";
n_win = window.open("","ShowImage",winfeatures);
n_win.document.write('');
n_win.document.write('',imgtitle,'');
n_win.document.write('');
n_win.document.write('');
n_win.document.write('');
n_win.document.write('
');
n_win.document.write('
',imgtitle);
n_win.document.write('');
n_win.document.close();
}