var backImage = new Array();
var c = -1;
var t;
var current = "page";

if (screen.width == "1024") {

    backImage[0] = "yoopage1024 font-medium width-wide showright";
    backImage[1] = "yoopageDois1024 font-medium width-wide showright";
    backImage[2] = "yoopageTres1024 font-medium width-wide showright";
    backImage[3] = "yoopageQuatro1024 font-medium width-wide showright";
    backImage[4] = "yoopageCinco1024 font-medium width-wide showright";
    backImage[5] = "yoopageSeis1024 font-medium width-wide showright";
    backImage[6] = "yoopageSete1024 font-medium width-wide showright";
    backImage[7] = "yoopageOito1024 font-medium width-wide showright";
    backImage[8] = "yoopageNove1024 font-medium width-wide showright";
    backImage[9] = "yoopageDez1024 font-medium width-wide showright";
    backImage[10] = "yoopageOnze1024 font-medium width-wide showright";
    backImage[11] = "yoopageDoze1024 font-medium width-wide showright";
    
} else {

    backImage[0] = "yoopage font-medium width-wide showright";
    backImage[1] = "yoopageDois font-medium width-wide showright";
    backImage[2] = "yoopageTres font-medium width-wide showright";
    backImage[3] = "yoopageQuatro font-medium width-wide showright";
    backImage[4] = "yoopageCinco font-medium width-wide showright";
    backImage[5] = "yoopageSeis font-medium width-wide showright";
    backImage[6] = "yoopageSete font-medium width-wide showright";
    backImage[7] = "yoopageOito font-medium width-wide showright";
    backImage[8] = "yoopageNove font-medium width-wide showright";
    backImage[9] = "yoopageDez font-medium width-wide showright";
    backImage[10] = "yoopageOnze font-medium width-wide showright";
    backImage[11] = "yoopageDoze font-medium width-wide showright";
    
}

function changeBGImage() {

    c = c + 1;

    if (c > 11) {
        c = 0;
    }

    if (document.body) {
       
        //document.getElementById(current).style.background = "background-image: url('" + backImage[c] + "') no-repeat";
        document.getElementById(current).className = backImage[c];
        t = setTimeout("changeBGImage()", 20000);

    }
}


function makeArray() {
for (i = 0; i<makeArray.arguments.length; i++)
this[i + 1] = makeArray.arguments[i];
}

function dataEng() {
var months = new makeArray('January','February','March','April','May', 'June','July','August','September','October','November','December');
var dias = new makeArray('Monday','Tuesday','Wendsday','Thursday','Friday', 'Saturday','Sunday');
var date = new Date();
var dWeek = date.getDay();
var day = date.getDate();
var month = date.getMonth() + 1;
var yy = date.getYear();
var year = (yy < 1000) ? yy + 1900 : yy;
document.getElementById("date").innerText = dias[dWeek] + ", " + day + " " + months[month] + " " + year;

changeBGImage();
}

function dataPor() {
var months = new makeArray('Janeiro','Fevereiro','Março','Abril','Maio', 'Junho','Julho','Agosto','Setembro','Outubro','Novembro','Dezembro');
var dias = new makeArray('Segunda-Feira','Terça-Feira','Quarta-Feira','Quinta-Feira','Sexta-Feira', 'Sabado','Domingo');
var date = new Date();
var dWeek = date.getDay();
var day = date.getDate();
var month = date.getMonth() + 1;
var yy = date.getYear();
var year = (yy < 1000) ? yy + 1900 : yy;
document.getElementById("date").innerText = dias[dWeek] + ", " + day + " " + months[month] + " " + year;

changeBGImage()
}

function AbrePopLivro() {
    window.open('../livro_pdf/livro.aspx', '', 'resizable=no, menubar=no, scrollbars=no, width=820, height=600');
}