<?php

if (is_single()) {

echo '<div id="mainwrap"><div class="titleh2">
     <h2><a href="<?php the_permalink() ?> "rel="bookmark" title="Permanent Link to
               <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2></div></div>';

}

elseif( is_category() ) {

echo'<div id="mainwrap"><div class="titleh2">
     <h2><a href="<?php the_permalink() ?> "rel="bookmark" title="Permanent Link to
              <?php the_title_attribute(); ?>"><?php single_cat_title(); ?></a></h2></div></div>';

} ?>