om;
            var a = document.getElementById('activity-name');
            var b = document.getElementById('meta_content');
            if(!!a){
                a.style.zoom = 1/window.__zoom;
            }
            if(!!b){
                b.style.zoom = 1/window.__zoom;
            }
            var images = document.getElementsByTagName('img');
            for (var i = 0,il=images.length;i<il;i++) {
                images[i].style.zoom = 1/window.__zoom;
            }
            var iframe = docum