[wwwdocs] style.html: further sync with www.gnu.org

[Gerald Pfeifer]

Use CSS from www.gnu.org instead of our home brewn style for the 
navigation bar.
Remove extraneous horizontal line before copyright section.

Installed.

Gerald

Index: style.mhtml
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/style.mhtml,v
retrieving revision 1.87
retrieving revision 1.89
diff -u -3 -p -r1.87 -r1.89
--- style.mhtml	4 Jun 2006 23:28:10 -0000	1.87
+++ style.mhtml	5 Jun 2006 00:17:20 -0000	1.89
@@ -3,14 +3,8 @@
 
 <set-var XHTML>
 <set-var BACKPATH>
-<define-function nav-title-style>
-  style="background-color:#FFEE99; font-size:90%;
-         border: 2px solid #FFBB66; border-bottom: 0px;"
-</define-function>
-<define-function nav-body-style>
-  style="background-color:#FFFFDD; font-size:90%;
-         border: 2px solid #FFEE99; border-top: 0px;"
-</define-function>
+<define-function nav-title-style> class="td_title" </define-function>
+<define-function nav-body-style> class="td_con" </define-function>
 
 ;;; The "install/" pages are HTML, not XHTML.
 
@@ -289,8 +283,6 @@
  > 
 >
 
-<hr />
-
 <!-- ==================================================================== -->
 
 <div class="copyright">