Fixed id generation on headings to retain classes in original source

svn path=/trunk/; revision=23640

tools/xsltsl/static-elements.xsl

@@ -96,6 +96,12 @@
           </xsl:attribute>	
         </xsl:otherwise>
       </xsl:choose>
+      
+      <xsl:if test="@class">
+          <xsl:attribute name="class">
+            <xsl:value-of select="@class" />
+          </xsl:attribute>      
+      </xsl:if>
         
       <xsl:apply-templates select="node()"/>