hi everybody! Please excuse my bad wording, but i dont really know with wich words i can explain what i want to do.... And i am a newbie in CSS // div-tags The Website i am currently working at has now a definite layout: -Header -Sidebar -Main-content -Footer So i used div-Tags to set up the layout. Now i arrived the great question: How to navigate the main-content with the sidebar? I want to show anoter content in the main-content if i push a button on the side-bar. Could you pls help me guys or send me a link where this subject is covered? Many many Thanks!!!