load img by order
##html
<div class="a" style="background-position:50% 0%;" data-lazy="http://tw.img.tg.gm99.com/u/2016/0121/21102327rix5B.jpg"></div>
<div class="d" tyle="background-position:50% 0%;" data-lazy="http://tw.img.tg.gm99.com/u/2016/0121/211053264uVDq.jpg"></div>
<img src="" alt="" data-lazy="http://tw.img.tg.gm99.com/u/2016/0113/13152755UhpMT.jpg">
<img src="" alt="" data-lazy="http://tw.img.tg.gm99.com/u/2016/0113/13162229YLYuh.jpg">
##simply use
<script>
$('div,img').imageLoadOrder();
</script>