a good question.
Any way to do save and load cookies cross browser ?

JS don’t. security issue and different browser save cookies in their way. expect AP or custom browser.

but

flash do  - cross-browser-cookies .

collection many many web design infomartion

• wowbox (網頁設計知識庫) - 提供網頁設計相關資訊  Good!

CSS

• Learn CSS Positioning in Ten Steps

wow, Firefox, sarfari, Chrome support css3 tag, looks great.

• cube example(FF3.5+, sarfari, chrome)
• 3d-cube-using-css-transformations

render, repaint, reflow (very important for frontend, speed, Feel, UX, UI)

• reflows-repaints-css-performance-making-your-javascript-slow

blogger

• PuterJam’s Blog (关注互联网~ 关注前端技术~), very good!

Design

• 1000+ Background Patterns You can Use for Free

jQuery

• Improve your jQuery - 25 excellent tips