I want to keep my style using cookies when user enter to my website I have new.css and default.css I already made buttons what switch those styles using javascript. I am beginner so I looked on this tutorial: http://www.developphp.com/video/JavaScript/Change-Style-Sheet-Using-Tutorial-CSS-Swap-Stylesheet But now I don't know how to program cookies and expiration time. Can you help me? Thank you.
-Sorry for my bad English. And I know there are many questions about it but as a beginner I don't understand those advanced questions.