baidu.more.scrollLoading = (function(){

var top = baidu.page.getScrollTop(),

left = baidu.page.getScrollLeft(),

viewHeight  = baidu.page.viewHeight(),

viewWidth  = baidu.page.viewWidth();

var scrollLoad = function(element){

　  var obj = baidu.g(element)||{};

　  var pos = baidu.dom.getPosition(element);

if((pos.top>top&&pos.top<top+viewHeight)||

(pos.top+obj.offsetHeight>top&& pos.top+obj.offsetHeight<top+viewHeight)||

(pos.left>left&&pos.left<left+viewWidth)||

(pos.left+obj.offsetWidth>left&&pos.left+obj.offsetWidth<left+viewWidth)){

loading();

};

　return {

scrollLoad :scrollLoad

}　

})()