var arrImg = new Array(6);

arrImg[0] = "_img/bkg_index/01.jpg";
arrImg[1] = "_img/x_white.gif";
arrImg[2] = "_img/x.gif";
arrImg[3] = "_img/endereco.gif";
arrImg[4] = "_img/e_mail.gif";
arrImg[5] = "_img/e_mail_.gif";

for (i=0; i < arrImg.length; i++) {
	var preload = new Image();
	preload.src = arrImg[i];
}