text: //获得主界面
  
  var mainDiv=document.getElementById("maindiv");
  
  //获得开始界面
  
  var startdiv=document.getElementById("startdiv");
  
  //获得游戏中分数显示界面
  
  var scorediv=document.getElementById("scorediv");
  
  //获得分数界面
  
  var scorelabel=document.getElementById("label");
  
  //获得暂停界面
  
  var suspenddiv=document.getElementById("suspenddiv");
  
  //获得游戏结束界面
  
  var enddiv=document.getElementById("enddiv");
  
  //获得游戏结束后分数统计界面
  
  var planscore=document.getElementById("planscore");
  
  //初始化分数
  
  var scores=0;
  
  
  
  /*
  
   创建飞机类
  
   */
  
  function plan(hp,X,Y,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){
  
      this.planX=X;
  
      this.planY=Y;
  
      this.imagenode=null;
  
      this.planhp=hp;
  
      this.planscore=score;
  
      this.plansizeX=sizeX;
  
      this.plansizeY=sizeY;
  
      this.planboomimage=boomimage;
  
      this.planisdie=false;
  
      this.plandietimes=0;
  
      this.plandietime=dietime;
  
      this.plansudu=sudu;
  
  //行为
  
  /*
  
  移动行为
  
       */
  
      this.planmove=function(){
  
          if(scores<=50000){
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+"px";
  
          }
  
          else if(scores>50000&&scores<=100000){
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+1+"px";
  
          }
  
          else if(scores>100000&&scores<=150000){
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+2+"px";
  
          }
  
          else if(scores>150000&&scores<=200000){
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+3+"px";
  
          }
  
          else if(scores>200000&&scores<=300000){
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+4+"px";
  
          }
  
          else{
  
              this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+5+"px";
  
          }
  
      }
  
      this.init=function(){
  
          this.imagenode=document.createElement("img");
  
          this.imagenode.style.left=this.planX+"px";
  
          this.imagenode.style.top=this.planY+"px";
  
          this.imagenode.src=imagesrc;
  
          mainDiv.appendChild(this.imagenode);
  
      }
  
      this.init();
  
  }
  
  
  
  /*
  
  创建子弹类
  
   */
  
  function bullet(X,Y,sizeX,sizeY,imagesrc){
  
      this.bulletX=X;
  
      this.bulletY=Y;
  
      this.bulletimage=null;
  
      this.bulletattach=1;
  
      this.bulletsizeX=sizeX;
  
      this.bulletsizeY=sizeY;
  
  //行为
  
  /*
  
   移动行为
  
   */
  
      this.bulletmove=function(){
  
          this.bulletimage.style.top=this.bulletimage.offsetTop-20+"px";
  
      }
  
      this.init=function(){
  
          this.bulletimage=document.createElement("img");
  
          this.bulletimage.style.left= this.bulletX+"px";
  
          this.bulletimage.style.top= this.bulletY+"px";
  
          this.bulletimage.src=imagesrc;
  
          mainDiv.appendChild(this.bulletimage);
  
      }
  
      this.init();
  
  }
  
  
  
  /*
  
   创建单行子弹类
  
   */
  
  function oddbullet(X,Y){
  
      bullet.call(this,X,Y,6,14,"./image/bullet1.png");
  
  }
  
  
  
  /*
  
  创建敌机类
  
   */
  
  function enemy(hp,a,b,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){
  
      plan.call(this,hp,random(a,b),-100,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc);
  
  }
  
  //产生min到max之间的随机数
  
  function random(min,max){
  
      return Math.floor(min+Math.random()*(max-min));
  
  }
  
  
  
  /*
  
  创建本方飞机类
  
   */
  
  function ourplan(X,Y){
  
      var imagesrc="./image/my_plane.png";
  
      plan.call(this,1,X,Y,80,67,0,660,0,"./image/plane_boom.gif",imagesrc);
  
      this.imagenode.setAttribute('id','ourplan');
  
  }
  
  
  
  /*
  
   创建本方飞机
  
   */
  
  var selfplan=new ourplan(120,385);
  
  //移动事件
  
  var ourPlan=document.getElementById('ourplan');
  
  var yidong=function(){
  
      var oevent=window.event||arguments[0];
  
      oevent.preventDefault();
  
      var chufa=oevent.srcElement||oevent.target;
  
      var touch = event.targetTouches[0];
  
      var selfplanX=touch.clientX - 60;
  
      var selfplanY=touch.clientY - 60;
  
      ourPlan.style.left=selfplanX+"px";
  
      ourPlan.style.top=selfplanY+"px";
  
      //document.getElementsByTagName('img')[0].style.left=selfplanX-selfplan.plansizeX/2+"px";
  
      //document.getElementsByTagName('img')[0]..style.top=selfplanY-selfplan.plansizeY/2+"px";
  
  }
  
  /*
  
  暂停事件
  
   */
  
  var number=0;
  
  var zanting=function(){
  
      if(number==0){
  
          suspenddiv.style.display="block";
  
          if(document.removeEventListener){
  
              mainDiv.removeEventListener("touchmove",yidong,true);
  
              bodyobj.removeEventListener("touchmove",bianjie,true);
  
          }
  
          else if(document.detachEvent){
  
              mainDiv.detachEvent("touchmove",yidong);
  
              bodyobj.detachEvent("touchmove",bianjie);
  
          }
  
          clearInterval(set);
  
          number=1;
  
      }
  
      else{
  
          suspenddiv.style.display="none";
  
          if(document.addEventListener){
  
              mainDiv.addEventListener("touchmove",yidong,true);
  
              bodyobj.addEventListener("touchmove",bianjie,true);
  
          }
  
          else if(document.attachEvent){
  
              mainDiv.attachEvent("touchmove",yidong);
  
              bodyobj.attachEvent("touchmove",bianjie);
  
          }
  
          set=setInterval(start,20);
  
          number=0;
  
      }
  
  }
  
  //判断本方飞机是否移出边界,如果移出边界,则取消touchmove事件,反之加上touchmove事件
  
  var bianjie=function(){
  
      /*var oevent=window.event||arguments[0];
  
      var bodyobjX=oevent.clientX;
  
      var bodyobjY=oevent.clientY;
  
      if(bodyobjX<505||bodyobjX>815||bodyobjY<0||bodyobjY>568){
  
          if(document.removeEventListener){
  
              mainDiv.removeEventListener("touchmove",yidong,true);
  
          }
  
          else if(document.detachEvent){
  
              mainDiv.detachEvent("touchmove",yidong);
  
          }
  
      }
  
      else{
  
          if(document.addEventListener){
  
              mainDiv.addEventListener("touchmove",yidong,true);
  
          }
  
          else if(document.attachEvent){
  
              mainDiv.attachEvent("touchmove",yidong);
  
          }
  
      }*/
  
  }
  
  //暂停界面重新开始事件
  
  //function chongxinkaishi(){
  
  //    location.reload(true);
  
  //    startdiv.style.display="none";
  
  //    maindiv.style.display="block";
  
  //}
  
  var bodyobj=document.getElementsByTagName("body")[0];
  
  if(document.addEventListener){
  
      //为本方飞机添加移动和暂停
  
      mainDiv.addEventListener("touchmove",yidong,true);
  
      //为本方飞机添加暂停事件
  
      selfplan.imagenode.addEventListener("click",zanting,true);
  
      //为body添加判断本方飞机移出边界事件
  
      bodyobj.addEventListener("touchmove",bianjie,true);
  
      //为暂停界面的继续按钮添加暂停事件
  
      suspenddiv.getElementsByTagName("button")[0].addEventListener("click",zanting,true);
  
  //    suspenddiv.getElementsByTagName("button")[1].addEventListener("click",chongxinkaishi,true);
  
      //为暂停界面的返回主页按钮添加事件
  
      suspenddiv.getElementsByTagName("button")[1].addEventListener("click",jixu,true);
  
  }
  
  else if(document.attachEvent){
  
      //为本方飞机添加移动
  
      mainDiv.attachEvent("touchmove",yidong);
  
      //为本方飞机添加暂停事件
  
      selfplan.imagenode.attachEvent("onclick",zanting);
  
      //为body添加判断本方飞机移出边界事件
  
      bodyobj.attachEvent("touchmove",bianjie);
  
      //为暂停界面的继续按钮添加暂停事件
  
      suspenddiv.getElementsByTagName("button")[0].attachEvent("onclick",zanting);
  
  //    suspenddiv.getElementsByTagName("button")[1].attachEvent("click",chongxinkaishi,true);
  
      //为暂停界面的返回主页按钮添加事件
  
      suspenddiv.getElementsByTagName("button")[2].attachEvent("click",jixu,true);
  
  }
  
  //初始化隐藏本方飞机
  
  selfplan.imagenode.style.display="none";
  
  
  
  /*
  
  敌机对象数组
  
   */
  
  var enemys=[];
  
  
  
  /*
  
  子弹对象数组
  
   */
  
  var bullets=[];
  
  var mark=0;
  
  var mark1=0;
  
  var backgroundPositionY=0;
  
  /*
  
  开始函数
  
   */
  
  function start(){
  
      mainDiv.style.backgroundPositionY=backgroundPositionY+"px";
  
      backgroundPositionY+=0.5;
  
      if(backgroundPositionY==568){
  
          backgroundPositionY=0;
  
      }
  
      mark++;
  
      /*
  
      创建敌方飞机
  
       */
  
  
  
      if(mark==20){
  
          mark1++;
  
          //中飞机
  
          if(mark1%5==0){
  
              enemys.push(new enemy(6,25,274,75,49,5000,360,random(1,3),"./image/md_boom.gif","./image/enemy3_fly_1.png"));
  
          }
  
          //大飞机
  
          if(mark1==20){
  
              enemys.push(new enemy(12,57,210,110,163,30000,540,1,"./image/big_boom.gif","./image/enemy2_fly_1.png"));
  
              mark1=0;
  
          }
  
          //小飞机
  
          else{
  
              enemys.push(new enemy(1,19,286,38,24,1000,360,random(1,4),"./image/small_boom.gif","./image/enemy1_fly_1.png"));
  
          }
  
          mark=0;
  
      }
  
  
  
  /*
  
  移动敌方飞机
  
   */
  
      var enemyslen=enemys.length;
  
      for(var i=0;i<enemyslen;i++){
  
          if(enemys[i].planisdie!=true){
  
              enemys[i].planmove();
  
          }
  
  /*
  
   如果敌机超出边界,删除敌机
  
   */
  
          if(enemys[i].imagenode.offsetTop>568){
  
              mainDiv.removeChild(enemys[i].imagenode);
  
              enemys.splice(i,1);
  
              enemyslen--;
  
          }
  
          //当敌机死亡标记为true时，经过一段时间后清除敌机
  
          if(enemys[i].planisdie==true){
  
              enemys[i].plandietimes+=20;
  
              if(enemys[i].plandietimes==enemys[i].plandietime){
  
                  mainDiv.removeChild(enemys[i].imagenode);
  
                  enemys.splice(i,1);
  
                  enemyslen--;
  
              }
  
          }
  
      }
  
  
  
  /*
  
  创建子弹
  
  */
  
      if(mark%5==0){
  
              bullets.push(new oddbullet(parseInt(selfplan.imagenode.style.left)+33,parseInt(selfplan.imagenode.style.top)-10));
  
      }
  
  
  
  /*
  
  移动子弹
  
  */
  
      var bulletslen=bullets.length;
  
      for(var i=0;i<bulletslen;i++){
  
          bullets[i].bulletmove();
  
  /*
  
  如果子弹超出边界,删除子弹
  
  */
  
          if(bullets[i].bulletimage.offsetTop<0){
  
              mainDiv.removeChild(bullets[i].bulletimage);
  
              bullets.splice(i,1);
  
              bulletslen--;
  
          }
  
      }
  
  
  
  /*
  
  碰撞判断
  
  */
  
      for(var k=0;k<bulletslen;k++){
  
          for(var j=0;j<enemyslen;j++){
  
              //判断碰撞本方飞机
  
              if(enemys[j].planisdie==false){
  
                  if(enemys[j].imagenode.offsetLeft+enemys[j].plansizeX>=selfplan.imagenode.offsetLeft&&enemys[j].imagenode.offsetLeft<=selfplan.imagenode.offsetLeft+selfplan.plansizeX){
  
                    if(enemys[j].imagenode.offsetTop+enemys[j].plansizeY>=selfplan.imagenode.offsetTop+40&&enemys[j].imagenode.offsetTop<=selfplan.imagenode.offsetTop-20+selfplan.plansizeY){
  
                        //碰撞本方飞机，游戏结束，统计分数
  
                        var audio = document.getElementById('bg_music');
  
                        audio.pause();
  
                        selfplan.imagenode.src="./image/plane_boom.gif";
  
                        enddiv.style.display="inline-block";
  
                        planscore.innerHTML=scores;
  
                        if(scores > 100000) {
  
                            $(".dh_btn").show();
  
                        };
  
                        if(document.removeEventListener){
  
                            mainDiv.removeEventListener("touchmove",yidong,true);
  
                            bodyobj.removeEventListener("touchmove",bianjie,true);
  
                        }
  
                        else if(document.detachEvent){
  
                            mainDiv.detachEvent("touchmove",yidong);
  
                            bodyobj.removeEventListener("touchmove",bianjie,true);
  
                        };
  
                        clearInterval(set);
  
                    }
  
                  }
  
                  //判断子弹与敌机碰撞
  
                  if((bullets[k].bulletimage.offsetLeft+bullets[k].bulletsizeX>enemys[j].imagenode.offsetLeft)&&(bullets[k].bulletimage.offsetLeft<enemys[j].imagenode.offsetLeft+enemys[j].plansizeX)){
  
                      if(bullets[k].bulletimage.offsetTop<=enemys[j].imagenode.offsetTop+enemys[j].plansizeY&&bullets[k].bulletimage.offsetTop+bullets[k].bulletsizeY>=enemys[j].imagenode.offsetTop){
  
                          //敌机血量减子弹攻击力
  
                          enemys[j].planhp=enemys[j].planhp-bullets[k].bulletattach;
  
                          //敌机血量为0，敌机图片换为爆炸图片，死亡标记为true，计分
  
                          if(enemys[j].planhp==0){
  
                              scores=scores+enemys[j].planscore;
  
                              scorelabel.innerHTML=scores;
  
                              enemys[j].imagenode.src=enemys[j].planboomimage;
  
                              enemys[j].planisdie=true;
  
                          }
  
                          //删除子弹
  
                          mainDiv.removeChild(bullets[k].bulletimage);
  
                              bullets.splice(k,1);
  
                              bulletslen--;
  
                              break;
  
                      }
  
                  }
  
              }
  
          }
  
      }
  
  }
  
  /*
  
  开始游戏按钮点击事件
  
   */
  
  var set;
  
  function begin(){
  
  
  
      startdiv.style.display="none";
  
      mainDiv.style.display="block";
  
      selfplan.imagenode.style.display="block";
  
      scorediv.style.display="block";
  
      /*
  
       调用开始函数
  
       */
  
      set=setInterval(start,20);
  
  }
  
  //游戏结束后点击继续按钮事件
  
  function jixu(){
  
      location.reload(true);
  
  }
  
  
  
  /*
  
      完成界面的初始化
  
      敌方小飞机一个
  
      我方飞机一个
  
   */
  
  
   $(function(){
  
      $("#startdiv, #maindiv, .mask, .mooncake_wp").width($(window).width()).height($(window).height());
  
   });
  
  