or you can use persitant layer !!!
Persistent Layers (v3):
Persistent layers do not scroll with the rest of the page content, but stick to a fixed position in the browser window.
This behavior places an onLoad handler in the current document to make a selected layer persistent in one of the following ways:
* to the left, the right, the top or the bottom border of the browser window;
* to the left/top, the right/top, the left/bottom or the right/bottom corner of the browser window;
* centered horizontally, if desired in combination with top or bottom;
* centered vertically, if desired in combination with left or right;
* centered both horizontally and vertically.
Furthermore, it is possible to choose between:
* 'static' persistency, where the layer 'jumps' into position, and
* 'animated' persistency, where the layer 'slides' into position.
The behavior has been tested (on PC) to be compatible with:
* Internet Explorer 5+ (but it probably also works in IE4.x),
* Netscape 4.x,
* Netscape 6.2+,
* Opera 5+, and
* Mozilla 0.9+<br>
Access this behavior:
step 1 - make sure there are one or more layers in the current document, and then,
step 2 - with the BODY tag selected, choose 'Persistent Layers' from the 'RibbersZeewolde' flyout in the Behaviors palette.
Download it here
Ranjan