Useful Simple CSS Cross Browser Tricks: !important
The CSS !important keyword is a useful keyword for Old browsers (IE-6, IE 5.5) as well as new browsers.
For new browsers, it can be used to override all other values, for example:
January 2009
HTML Form submission technique via jQuery (gracefully degrades)
Since I started using jQuery (~10 months ago), I have been mostly using jQuery's $.ajax function for form submission as it provides an easy way to post form values and retreive JSON format easily. But, when using Javascript, there's always the question of 'graceful degradation'.