How to position an image on Top Right Cornor of the Browser?

Following StyleSheet will position the DIV/IMG tag to the top right cornor of the browser window. This is required when absolute positioning an image is required.

DIV.TopRightCorner
{
   position: fixed;
   _position: absolute;
   top: 0px;
   right: 0px;
   clip: inherit;
   _top: expression(document.documentElement.scrollTop+document.documentElement.clientHeight-this.clientHeight);
   _left: expression(document.documentElement.scrollLeft + document.documentElement.clientWidth - offsetWidth);
}

You can change the "top" and "right" to "botton" and "left" to appropriately position an image.
Your comments are always welcome!