/* Слайдер от ILyeS */     
     .block{background:#222;padding:10px 10px 0;border-radius:10px;width:400px}     
     .block img{border:0;display:none}     
     .block div{margin:10px auto 0;background:#ddd;padding:5px 0;width:100px;border-radius:10px 10px 0 0;text-align:center}     
     .block div a{text-decoration:none;color:#ddd;background:#222;border-radius:5px;padding:2px 5px}     
     .block div a:hover{background:#444}

// Slider by ILyeS     
     function block_off(){$('.block img').hide()};     
     function block_on(a){$('.block img:'+a).fadeIn(300)};     
     block_on('eq(0)')

<div class="block">     

     <img src="url">     
     <img src="url">     
     <img src="url">     

     <div>     

     <a href="javascript://" onclick="block_off();block_on('eq(0)')">1</a>     
     <a href="javascript://" onclick="block_off();block_on('eq(1)')">2</a>     
     <a href="javascript://" onclick="block_off();block_on('eq(2)')">3</a>     

     </div></div>