Update register.php
Update register.php

- Correct previous commit when it was impossible to set any value anymore (oooops, I went too quickly on this one)
- Use .val instead of .attr("value") because the latter is deprecated
idhamhafidz/opensourcepos,kamaroly/opensourcepos,marteserede/opensourcepos,mewben/opensourcepos,asakpke/RoshanTech.com-POS,overk1ll/opensourcepos,kamaroly/opensourcepos,bravokeyl502/opensourcepos,idhamhafidz/opensourcepos,asakpke/RoshanTech.com-POS,bravokeyl502/opensourcepos,bravokeyl/opensourcepos,lcastillo0136/opensourcepos,asakpke/opensourcepos,marteserede/opensourcepos,lcastillo0136/opensourcepos,woakes070048/opensourcepos,bravokeyl502/opensourcepos,bravokeyl/opensourcepos,pentagroup/phppos,overk1ll/opensourcepos,woakes070048/opensourcepos,pentagroup/phppos,onyema3/opensourcepos,onyema3/opensourcepos,asakpke/RoshanTech.com-POS,pentagroup/phppos,bravokeyl/opensourcepos,mewben/opensourcepos,overk1ll/opensourcepos,oneluiz/opensourcepos,kamaroly/opensourcepos,marteserede/opensourcepos,marteserede/opensourcepos,asakpke/opensourcepos,oneluiz/opensourcepos,lcastillo0136/opensourcepos,sohel4r/opensourcepos,asakpke/RoshanTech.com-POS,woakes070048/opensourcepos,bravokeyl502/opensourcepos,mewben/opensourcepos,woakes070048/opensourcepos,idhamhafidz/opensourcepos,idhamhafidz/opensourcepos,onyema3/opensourcepos,asakpke/opensourcepos,sohel4r/opensourcepos,overk1ll/opensourcepos,asakpke/opensourcepos,oneluiz/opensourcepos,onyema3/opensourcepos,pentagroup/phppos,bravokeyl/opensourcepos,sohel4r/opensourcepos,mewben/opensourcepos,oneluiz/opensourcepos,kamaroly/opensourcepos