Tane Piper today released v1.3 of his jQuery mapping plugin with the following major updates:<ul>
<li>Added support for creating Yahoo! Maps, can create Map,
Satallite or Hybrid. Check out available options below
<li>Added support for creating points on Yahoo! maps.
<li>Added support for creating Polylines on Yahoo! maps.
<li>Added support for GeoRSS files on both Yahoo! and Google maps, as well as existing KML support for Google, method
<li>Name was changed from .addKml to .addRss
<li>Moved directions search out of main namespace, now function that is called from within plugin by providing fields

<li>Added Yahoo! Geocoding support</ul>

This was a fairly big update and allows developers to take advantage of either Google or Yahoo maps from one codebase!

Tane is already working on v1.4 which will include:<ul>
<li>Add in custom icon support for points.
<li>Add support for Google Points Manager
<li>Add support for overlays</ul>

and possible support Microsoft Live maps.

You can grab the latest code via <a href="http://code.google.com/p/jmaps/">Google SVN</a> and see a <a href="http://webrocket.ulmb.com/jmaps/">live demo here</a>.