//Code for css tabs I have looked at:<div id="topnav"><ul> <li><a href="#">Home</a></li> <li><a href="#" class="here">About</a></li> <li><a href="#">News</a></li> <li><a href="#">Proof</a></li> <li><a href="#">Process</a></li> <li><a href="#">Expertise</a></li> <li><a href="#">Help</a></li></ul><br /></div>// css above only allows links to external pages// does not allow php functions// how can i get it to be like:<div id="tab1"> <? loadpage1(); ?> </div><div id="tab2"> <? loadpage2(); ?> </div>