jquery.gridrotator实现响应式图片展示画廊效果

<div id="ri-grid" class="ri-grid ri-grid-size-1 ri-shadow">
  <ul>
    <li><a href="#"><img src="images/medium/1.jpg" alt="Whatever works"/></a></li>
    <li><a href="#"><img src="images/medium/2.jpg" alt="Anything else"/></a></li>
    <!-- ... -->
  </ul>
</div>

$(function() {     
  $( '#ri-grid' ).gridrotator();
});

// number of rows
rows      : 4,
 
// number of columns 
columns     : 10,
 
// rows/columns for different screen widths
// i.e. w768 is for screens smaller than 768 pixels
w1024      : {
  rows  : 3,
  columns : 8
},
 
w768      : {
  rows  : 3,
  columns : 7
},
 
w480      : {
  rows  : 3,
  columns : 5
},
 
w320      : {
  rows  : 2,
  columns : 4
},
 
w240      : {
  rows  : 2,
  columns : 3
},
 
// step: number of items that are replaced at the same time
// random || [some number]
// note: for performance issues, the number should not be > options.maxStep
step      : 'random',
maxStep     : 3,
 
// prevent user to click the items
preventClick  : true,
 
// animation type
// showHide || fadeInOut || slideLeft || 
// slideRight || slideTop || slideBottom || 
// rotateLeft || rotateRight || rotateTop || 
// rotateBottom || scale || rotate3d || 
// rotateLeftScale || rotateRightScale || 
// rotateTopScale || rotateBottomScale || random
animType    : 'random',
 
// animation speed
animSpeed    : 500,
 
// animation easings
animEasingOut  : 'linear',
animEasingIn  : 'linear',
 
// the item(s) will be replaced every 3 seconds
// note: for performance issues, the time "can't" be < 300 ms
interval    : 3000,
// if false the animations will not start
// use false if onhover is true for example
slideshow    : true,
// if true the items will switch when hovered
onhover   : false,
// ids of elements that shouldn't change
nochange    : []