点击按钮弹出层，然后点击页面空白处隐藏弹出层

点击按钮弹出层，然后点击页面空白处隐藏弹出层

 (function(){
    var _loadStatus = 0;
    var _download_btn = $("#album_s_show"), /*按钮id*/
    _download_pop = $("#album_s_cons"); /*弹出层id*/
    
     function hideDownload(e){
                    _download_pop.hide();
                    _loadStatus =0;
                    e.preventDefault();
     }
    
     _download_btn.click(function(e){
            if(_loadStatus == 0){
                    _download_pop.show();
                    _loadStatus = 1;
                    e.preventDefault();
            }else if(_loadStatus ==1){
                    hideDownload(e);
            }
            e.stopPropagation();
     });
     $(document).click(function(e){
            var _o = $(e.target);
            if(_o.parents()[0].id == "album_s_cons" || _o[0].id=="album_s_cons"){return;}  /*弹出层id*/
            if(_loadStatus==1){
                    hideDownload(e);
            }
            e.stopPropagation();
    });
})();