ok i'm pretty good at HTML and i've been using that for a couple of years now, but now everybody is using CSS, DHTML, java script, can anyone please explain what CSS and DHTML are, like do they replace HTML or what...Sorry i've just been to lazy to learn something new Thanks

well, HTML, CSS and Javascript are complementary technologies... and together they form what they call DHTML (Dynamic HTML).

HTML - describes the content of the page
CSS - applies formatting to the content
JavaScript - scripting language; you can define actions for when the user clicks on a link or for when the page is loaded etc.