var awer_say = false; if (document.all){ awer_say = document.all['awer_saying']; }else if(document.getElementById){ awer_say = document.getElementById('awer_saying'); } if(awer_say){ awer_say.innerHTML = '塑料瓶盖太紧而打不开，将它放入冰箱中冷冻一会，然后就很容易就能拧开。《生活常识》'; }