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HTML

CSS

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HTML

              
                <ul class="obgaleria" id="gal-uno">
  <li data="http://www.oloblogger.com/2016/05/galeria-imagenes-jquery-miniaturas.html"><img  src="http://lorempixel.com/900/640/sports/5"/></li>
  <!-- Añadida URL de enlace mediante atributo DATA como ejemplo -->
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/2"/></li>
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/9"/></li>
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/3"/></li>
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/1"/></li>
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/7"/></li>
  <li data="#gal-uno"><img src="http://lorempixel.com/900/640/sports/8"/></li>
</ul>

<ul class="obgaleria" id="gal-dos">
  <li><img src="http://lorempixel.com/900/640/city/5"/></li>
  <li><img src="http://lorempixel.com/900/640/city/2"/></li>
  <li><img src="http://lorempixel.com/900/640/city/4"/></li>
  <li><img src="http://lorempixel.com/900/640/city/3"/></li>
  <li><img src="http://lorempixel.com/900/640/city/1"/></li>
</ul>
              
            
!

CSS

              
                ul.obgaleria{width: 100%;height:0;overflow:hidden;margin: 30px auto;list-style: none;background:transparent;font-size:0;line-height:0;} 
ul.obgaleria li{position: relative;display:inline-block;height:0;margin:0;list-style:none;cursor:pointer;vertical-align:top;overflow:hidden;} 
ul.obgaleria li img {position: absolute;top: -150%;bottom: -150%;left: -150%;right: -150%;width: auto;max-width: none;height: 150%;margin: auto;padding:0;border:0;} 
ul.obgaleria li:last-child img {top: 0;bottom: 0;left: 0;right: 0;margin: auto;width: 100%;height: auto;} 
ul.obgaleria li {border-left: 3px solid transparent;border-bottom: 3px solid transparent;box-sizing: border-box;} 
ul.obgaleria li:first-child, ul.obgaleria li:last-child {border-left:0;}


              
            
!

JS

              
                var prop = 60.00; // proporción alto/ancho*100 imagen principal
$(document).ready(function() {
$("ul.obgaleria").each(function() {
  var id = "#" + $(this).attr("id");
  var ancho = 100 / $(id + " li").length;
  $("head").append("<style>" + id + "{padding: 0 0 " + (prop + ancho) + "% 0;} " + id + " li{width:" + ancho + "%;padding: 0 0 " + ancho + "% 0;} " + id + " li:last-child {padding-bottom: " + prop + "%;}</style>");
  $(id + " li:first-child").clone().appendTo(id);
  $(id + " li:last-child").css({
    "width": "100%"
  });
  var enlace = $(id + " li:first-child").attr("data"); // Sólo si se usan enlaces
    $(id + " li:last-child img").wrap("<a href='" + enlace + "'></a>"); // Sólo si se usan enlaces  
  $(id + " li").click(function() {
    $(id + " li:last-child").remove();
    $(this).clone().appendTo(id).animate({
      width: "100%"
    }, 200);
    var enlace = $(this).attr("data"); // Sólo si se usan enlaces
    $(id + " li:last-child img").wrap("<a href='" + enlace + "'></a>"); // Sólo si se usan enlaces
  });
});
  });
              
            
!
999px

Console