if(document.images){
Img1 = new Image;
Img2  = new Image;
Img3 = new Image;
Img4  = new Image;
Img5 = new Image;
Img6  = new Image;
Img7 = new Image;
Img8  = new Image;
Img9 = new Image;
Img10  = new Image;

Img1.src = "imagens/bt_tornar_home_1.png";
Img2.src = "imagens/bt_tornar_home_2.png";
Img3.src = "imagens/bt_favoritos_1.png";
Img4.src = "imagens/bt_favoritos_2.png";
Img5.src = "imagens/bt_indique_1.png";
Img6.src = "imagens/bt_indique_2.png";
Img7.src = "imagens/bt_fale_1.png";
Img8.src = "imagens/bt_fale_2.png";
Img9.src = "imagens/bt_pesquisar_1.png";
Img10.src = "imagens/bt_pesquisar_2.png";
}else{

Img1.src = "";
Img2.src = "";
Img3.src = "";
Img4.src = "";
Img5.src = "";
Img6.src  = "";
Img7.src  = "";
Img8.src  = "";
Img9.src  = "";
Img10.src  = "";

document.tornar_home = "";
document.favoritos = "";
document.indique = "";
document.fale = "";
document.pesquisar = "";
}