Your left menu will go here. You can place images, text links, etc. in this div. To change the properties of this div you can change the #left selector in the style sheet that is located on this page between the head tags.
All of your content goes in this div. This section is fluid so that if the window is collapsed, your div will collapse also and fit the screen perfectly. To change the properties of this div you can change the #center selector in the style sheet that is located on this page between the head tags.
Your right menu will go here. You can place images, text links, etc. in this div. To change the properties of this div you can change the #right selector in the style sheet that is located on this page between the head tags.