var _id = "";
var selfEffect = true;

function InitialEffect(id)
{
    _id++;    
    if(_id>4)
        _id=1;
    opacidade = setTimeout("MediaBox('"+_id+"', true)", 5000);
}

function MediaBox(id, selfFx)
{
    if(!selfFx) { selfEffect = false; clearTimeout(opacidade); }
    _id = id;
    changeTab();
    OpacityEffect();
    if(selfEffect) InitialEffect();
}

function OpacityEffect()
{
    var fx = new Fx.Styles('noticiasMediaBox', {duration: 100});
    fx.start({ 'opacity': .2 });
    setTimeout("highOpacity()", 100);
}

function highOpacity()
{
    changeImage();
    var fx = new Fx.Styles('noticiasMediaBox');
    fx.start({ 'opacity': .9 });
}

function changeImage()
{
    var url = "";
    var link = "";
    
    var id = parseInt(_id);
    
    if(selfEffect && id!=1) id--;
    else if(selfEffect && id==1) id=4;
        
    switch(id)
    {
        case 1: url = array.Aba1.image; link = array.Aba1.link; break;
        case 2: url = array.Aba2.image; link = array.Aba2.link; break;
        case 3: url = array.Aba3.image; link = array.Aba3.link; break;
        case 4: url = array.Aba4.image; link = array.Aba4.link; break;
    }
    var element = document.getElementById("noticiasMediaBox");
    element.style.backgroundImage = "url('" + url + "')";
    document.getElementById("Link").href = link;
}

counter = 71;

function slideIt()
{
    var ns4=document.layers;
    var ie4=document.all;
    var ns6=document.getElementById&&!document.all;
    
    if (ie4)
    { 
        fundoTransparente.style.clip = "rect(" + counter + ",230,60,0)";
    }
    if (ns4)
    { 
        fundoTransparente.clip.top = counter;
        fundoTransparente.clip.right = 230;
        fundoTransparente.clip.bottom = 60;
        fundoTransparente.clip.left = 0; 
    }
    if(ns6)
    {
        document.getElementById("fundoTransparente").style.clip = "rect(" + counter+"px"+ " 230" +"px"+ " 60" +"px"+ " 0" +"px"+ ")";
    }
    counter -= 7;
    time_out = setTimeout("slideIt()", 50);
    if (counter <= 0)
    { 
        clearTimeout(time_out);
        counter = 71; 
    }
}

function changeTab()
{ 
    id = parseInt(_id);
    
    for(i=1; i<=4; i++)
    {
        if(i==id)
        {
            var esseTitulo, esseTexto, lnkTitulo, lnkTexto;
            if(id==1) { esseTitulo = array.Aba1.titulo; esseTexto = array.Aba1.text; lnkTitulo = array.Aba1.link; lnkTexto = array.Aba1.link;}
            if(id==2) { esseTitulo = array.Aba2.titulo; esseTexto = array.Aba2.text; lnkTitulo = array.Aba2.link; lnkTexto = array.Aba2.link;}
            if(id==3) { esseTitulo = array.Aba3.titulo; esseTexto = array.Aba3.text; lnkTitulo = array.Aba3.link; lnkTexto = array.Aba3.link;}
            if(id==4) { esseTitulo = array.Aba4.titulo; esseTexto = array.Aba4.text; lnkTitulo = array.Aba4.link; lnkTexto = array.Aba4.link;}
            
            document.getElementById("item" + i).style.backgroundColor = array.Abas.on;
            document.getElementById("AbaText" + i).className = array.Abas.textClassOn;
            document.getElementById("txt-materia-box-v").innerHTML = esseTitulo;
            document.getElementById("lnkTitulo").href = lnkTitulo;
            document.getElementById("txt-materia-b").innerHTML = esseTexto; 
            document.getElementById("lnkTexto").href = lnkTexto;
            document.getElementById("setaHolder" +i).style.visibility = 'visible';
            slideIt();
        }
        else
        {
            document.getElementById("item" + i).style.backgroundColor = array.Abas.off;
            document.getElementById("AbaText" + i).className = array.Abas.textClassOff;
            document.getElementById("setaHolder" +i).style.visibility = 'hidden';  
        }
    }
}

window.onload = function()
{
    slideIt();
    document.getElementById("noticiasMediaBox").style.backgroundImage = "url('" + array.Aba1.image + "')";
    document.getElementById("Link").href = array.Aba1.link;
    document.getElementById("txt-materia-box-v").innerHTML = array.Aba1.titulo;
    document.getElementById("lnkTitulo").href = array.Aba1.link;
    document.getElementById("txt-materia-b").innerHTML = array.Aba1.text;
    document.getElementById("lnkTexto").href = array.Aba1.link;
    for(i=1; i<=4; i++)
    {
        switch(i)
        {
            case 1: document.getElementById("AbaText1").innerHTML = array.Aba1.abatexto; break; 
            case 2: document.getElementById("AbaText2").innerHTML = array.Aba2.abatexto; break;
            case 3: document.getElementById("AbaText3").innerHTML = array.Aba3.abatexto; break;
            case 4: document.getElementById("AbaText4").innerHTML = array.Aba4.abatexto; break;
        }
        
        document.getElementById("AbaText" + i).className = array.Abas.textClassOff;

        if(i==1) document.getElementById("AbaText" + i).className = array.Abas.textClassOn;
    }
    _id = "1";
    selfEffect = true;
    InitialEffect();
}