function mostra(cena){
	//aba=1;
	//abaT='A';
    for (i=1;i<7;i++){ 
		if (document.getElementById('aba'+i+'').className == "abaSelecionada"){ 
			aba = i;
        }    
    } 

	if(aba==1){
		abaT='A';
	}
	if(aba==2){
		abaT='B';
	}
	if(aba==3){
		abaT='C';
	}
	if(aba==4){
		abaT='D';
	}
	if(aba==5){
		abaT='E';
	}
	if(aba==6){
		abaT='F';
	}
	
	if(cena.length==2){
		x = cena;
	}else{
		x=abaT+cena;
	}
	
    document.getElementById(x).style.display = ''; 
}
function oculta(){
    var abas=new Array();
    abas[0]="A1";
    abas[1]="A2";
    abas[2]="A3";
    abas[3]="A4";
    abas[4]="A5";

    abas[5]="B1";
    abas[6]="B2";
    abas[7]="B3";
    abas[8]="B4";
    abas[9]="B5";

    abas[10]="C1";
    abas[11]="C2";
    abas[12]="C3";
    abas[13]="C4";
    abas[14]="C5";

    abas[15]="D1";
    abas[16]="D2";
    abas[17]="D3";
    abas[18]="D4";
    abas[19]="D5";

    abas[20]="E1";
    abas[21]="E2";
    abas[22]="E3";
    abas[23]="E4";
    abas[24]="E5";

    abas[25]="F1";
    abas[26]="F2";
    abas[27]="F3";
    abas[28]="F4";
    abas[29]="F5";

    for (i in abas){ 
        if (document.getElementById(''+abas[i]+'')) {
            document.getElementById(''+abas[i]+'').style.display = 'none';
        }    
    }    
}

function seleciona(aba){
    document.getElementById('aba1').className = "abas"; 
    document.getElementById('aba2').className = "abas"; 
    document.getElementById('aba3').className = "abas"; 
    document.getElementById('aba4').className = "abas"; 
    document.getElementById('aba5').className = "abas"; 
    document.getElementById('aba6').className = "abas"; 
    document.getElementById(''+aba+'').className = "abaSelecionada"; 
   //var obj2 = document.getElementById(''+aba+'');
   //obj2.className = "abaSelecionada";
   //abaSelecionada();
}

function botoes(numero){
	
	//alert(numero);
	
    document.getElementById('bt1').style.display = '';
	document.getElementById('bt2').style.display = '';
    document.getElementById('bt3').style.display = '';
    document.getElementById('bt4').style.display = '';
    document.getElementById('bt5').style.display = '';

    document.getElementById('ct1').style.display = 'none';
	document.getElementById('ct2').style.display = 'none';
    document.getElementById('ct3').style.display = 'none';
    document.getElementById('ct4').style.display = 'none';
    document.getElementById('ct5').style.display = 'none';
	
	if(numero==1){
//		alert('mandou o 1');
	    document.getElementById('bt1').style.display = 'none';
		document.getElementById('ct1').style.display = '';
	}
	if(numero==2){
//		alert('mandou o 2');
	    document.getElementById('bt2').style.display = 'none';
		document.getElementById('ct2').style.display = '';
	}
	if(numero==3){
//		alert('mandou o 3');
	    document.getElementById('bt3').style.display = 'none';
		document.getElementById('ct3').style.display = '';
	}
	if(numero==4){
//		alert('mandou o 4');
	    document.getElementById('bt4').style.display = 'none';
		document.getElementById('ct4').style.display = '';
	}
	if(numero==5){
//		alert('mandou o 5');
	    document.getElementById('bt5').style.display = 'none';
		document.getElementById('ct5').style.display = '';
	}
}

function avancar(){
	
	x = 0;
	if(document.getElementById('ct5').style.display=='' && x==0){
		botoes('1');
		oculta();
		mostra('1');
		x = 1;
	}	
	if(document.getElementById('ct4').style.display=='' && x==0){
		botoes('5');
		oculta();
		mostra('5');
		x = 1;
	}	
	if(document.getElementById('ct3').style.display=='' && x==0){
		botoes('4');
		oculta();
		mostra('4');
		x = 1;
	}	
	if(document.getElementById('ct2').style.display=='' && x==0){
		botoes('3');
		oculta();
		mostra('3');
		x = 1;
	}		
	if(document.getElementById('ct1').style.display=='' && x==0){
		botoes('2');
		oculta();
		mostra('2');
		x = 1;
	}
}

function recuar(){
	
	x = 0;
	if(document.getElementById('ct5').style.display=='' && x==0){
		botoes('4');
		oculta();
		mostra('4');
		x = 1;
	}	
	if(document.getElementById('ct4').style.display=='' && x==0){
		botoes('3');
		oculta();
		mostra('3');
		x = 1;
	}	
	if(document.getElementById('ct3').style.display=='' && x==0){
		botoes('2');
		oculta();
		mostra('2');
		x = 1;
	}	
	if(document.getElementById('ct2').style.display=='' && x==0){
		botoes('1');
		oculta();
		mostra('1');
		x = 1;
	}		
	if(document.getElementById('ct1').style.display=='' && x==0){
		botoes('5');
		oculta();
		mostra('5');
		x = 1;
	}
}

function abaSelecionada(){

    for (i=1;i<7;i++){ 
		if (document.getElementById('aba'+i+'').className == "abaSelecionada"){ 
			alert ('aba selecionada '+i);
        }    
    }    
	
}