Correct reg.css for <input type=button> .regform subelement style.
Correct valid.js - verify all input and block submit until all input are not filled correctly.
Temporary correct registration.html for verify valid.js.
Change editor to PHPStorm (.idea directory)
Correct valid.js - change logical operator < to <= in v_nick subfunction. Clear some commented code strings.
Add jquery.validate.js, to block submit information until all inputs don't fill correctly.
Correct jquery.passwordvalid.js, jquery.emailvalid.js,jquery.nickvalid.js to sync it's with jquery.validate.js - delete internal valid function's and it's event callers.
Add caller function valid from jquery.validate.js to events of objects (jquery.validate.js)
Change registration.html to test jquery.validate.js
P.S> Accidental format code in all *.js files.
PHPStorm's .idea\workspace.xml file
Commiting before merge with master
W/o this no action (facepalm)