Hidden DIV method. (No hidden DIVs in Netscape 4?) Hover Over This ... and the additional information pops up here. Using 'onmouse' to toggle visiblity. Replace the hash in the HREF attribute with a real URL. <A href="#" onmouseout="info1.style.visibility='hidden'" onmouseover="info1.style.visibility='visible'"> Hover Over This</A> <DIV id=info1 style="background: #ffffff; width=380px; visibility: hidden"> ... and the additional information pops up here. </DIV>