$(document).ready(function() { 
if($("img").length)
    {
        $.insert(WB_URL+'/modules/lazyload/lazyload/jquery.lazyload.js');

$("img").lazyload(
{   
    failurelimit : 10,
    placeholder: "/modules/lazyload/lazyload/img/grey.gif",
    threshold: 0,
    effect: "fadeIn"
});
}   
});