text: function Sprite(x,y,largura,altura){
      this.x = x;
      this.y = y;
      this.largura = largura;
      this.altura = altura;
      
      this.desenha = function(xCanvas,yCanvas){
          contex.drawImage(image,this.x,this.y,this.largura,this.altura,xCanvas,yCanvas,this.largura,this.altura);
      }
  }
  
          var user1 = new Sprite(0,0,50,50);
          var user2 = new Sprite(50,0,50,50);
          var user3 = new Sprite(100,0,50,50);
          var user4 = new Sprite(150,0,50,50);
          var user5 = new Sprite(200,0,50,50);
          var user6 = new Sprite(250,0,50,50);
          var user7 = new Sprite(302,0,50,50);
          var user8 = new Sprite(352,0,50,50);
          var user9 = new Sprite(403,0,50,50);
          var user10 = new Sprite(453,0,50,50);
          var user11 = new Sprite(503,0,50,50);
          var user12 = new Sprite(552,0,50,50);
  function Sprite02(x, y, largura, altura){
      this.x = x;
      this.y = y;
      this.largura = largura;
      this.altura = altura;
      
      this.desenha = function(xCanvas,yCanvas){
          contex.drawImage(imageFundo,this.x,this.y,this.largura,this.altura,xCanvas,yCanvas,this.largura,this.altura);
      }
  }
          var fundo01 = new Sprite02(0,0,700,500);
          var fundo02 = new Sprite02(700,0,700,500);
          var fundo03 = new Sprite02(1400,0,700,500);
          var fundo04 = new Sprite02(2100,0,700,500);
          var fundo05 = new Sprite02(2800,0,700,500);
          var fundo06 = new Sprite02(3500,0,700,500);