/*  RETINISE.JS --------------------------------------------------*

  Author:         Simon Sturgess
                  @dahliacreative
                  simon@dahliacreative.com
                  http://www.dahliacreative.com
          
  Thanks to:      Pedro Piedade
                  @iampedropiedade
                  http://pedropiedade.com/
          
  Documentation:  http://www.dahliacreative.com/retinisejs
  
  Release date:   27/09/2012
  Version:        v.1.0
  Licensing:      © Copyright 2012 DahliaCreative.
                  Free to use under the GPLv2 license.
                  http://www.gnu.org/licenses/gpl-2.0.html
                  
*--------------------------------------------------------------------*/(function(e){e.fn.extend({retinise:function(t){var n={suffix:"@2x",srcattr:"data-src",retattr:"data-ret",altattr:"data-alt"},r=e.extend(n,t),i=window.devicePixelRatio,s=i>1?!0:!1;e(this).each(function(){var t=e(this),n=t.css("display");t.css("display","none");if(t.attr(r.srcattr)){var o=t.attr(r.srcattr),u=t.attr(r.altattr),a=t.attr(r.retattr);if(s===!0){t.attr(r.retattr)?t.attr({src:a,alt:u}):t.attr({src:o.replace(/\.\w+$/,function(e){return r.suffix+e}),alt:u});t.load(function(){var e=t.height()/i,r=t.width()/i;t.attr({height:e,width:r}).css({display:n})})}else t.attr({src:o,alt:u}).css({display:n})}})}})})(jQuery);