对象的宣言方法

对象的声明方法
对象的声明方法，和课上讲的不一样

function Person（name，age）{    this.name=name;    this.age=age;    this.SayHello=function(){   }var p1=new Person("tom",30);   p1.SayHello();

var Menu={q: null,data: null,depth: 4,init: function(){Menu.build();alert("cheng");Menu.loadXML("http://m.weather.com.cn/data5/city.xml");alert("cheng");},loadXML: function(url,level){var l=0;if(level){l=level;}Menu.q=new $G.Q(url,"GET");Menu.q.level=l;Menu.q.parse(Menu.loadS,Menu.loadF);},loadS: function(){Menu.data=Menu.q.$().split(",");var cities=new Array();for(var i=0;i <Menu.data.length;i++){cities.push({id:Menu.data[i].split("|")[0],name:Menu.data[i].split("|")[1]});} while(Menu.groups[Menu.q.level].firstChild){Menu.groups[Menu.q.level].removeChild(Menu.groups[Menu.q.level].firstChild);}for(var i=0;i<cities.length;i++){var node=new $E("option",{value:cities[i].id});node.appendChild(cities[i].name);node.insertTo(Menu.groups[Menu.q.level]);}if(Menu.q.level<Menu.depth-1){Menu.loadXML("http://m.weather.com.cn/data5/city"+cities[0].id+".xml",Menu.q.level+1);}},loadF: function(){window.msg("load error");},regAction: function(node,level){node.onchange=function(){var value="http://m.weather.com.cn/data5/city"+node.value+".xml";Menu.loadXML(value,level+1);}},groups: new Array(),build: function(){for(var i=0;i<Menu.depth;i++){var flag=document.createElement("select");flag.id="city"+(i+1);flag.name="city"+(i+1);Menu.regAction(flag,i);Menu.groups.push(flag);flag.style.width="80px";$("test").innerHTML=i;$("city").appendChild(flag);}Menu.groups[Menu.depth-1].style.display="none";}} window.LOAD=window.LOAD?window.LOAD:new Array(); window.LOAD.push(Menu.init);