sub showhttpheaders
{
-# print "Pragma: no-cache\n";
-# print "Cache-control: no-cache\n";
-# print "Connection: close\n";
+ print "Pragma: no-cache\n";
+ print "Cache-control: no-cache\n";
+ print "Connection: close\n";
print "Content-type: text/html\n\n";
}