?function a(obj1){
?????
??????? var x=obj1.innerHTML;
??????? var y=document.getElementsByTagName("div");
???????
??????? switch(x){
??????? case "房產":
??????? y[1].setAttribute("display","none");
??????? //y[2].display="none";y[0].display="block";
????
??????? break;
??????? case "家居":
??????? y[0].display="none";y[2].display="none";y[1].display="block";
??????? alert("2");
??????? break;
??????? case "二手房":
??????? y[1].display="none";y[0].display="none";y[2].display="block";
??????? alert("3");
??????? break;
??????? default:alert("4");break;
???????
??????? }
???????
??? }