if(rand_no == 5) <p><input type="submit" name="submit" value="Convert MP3 File" onclick="window.open('http://adf.ly/55Qxi','newwin');" /></p>
else <p><input type="submit" name="submit" value="Convert MP3 File" onclick="window.open('http://adf.ly/55Qxi','newwin');" /></p>