in reply to cgi form and javascript

There is nothing in your 'print' lines that needs to be interpolated, you could just change for example: 
print "<html><head><script="javascript" src="demo.js"</script><title>T
+ESTING</title></head>";

[download]
to 
print '<html><head><script="javascript" src="demo.js"</script><title>T
+ESTING</title></head>';

[download]
Not sure if this is your issue, but you have unescaped "s in the line.

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