var perguntactual = 0;
var variavel = 1;
function mudapergunta(variavel){
document.getElementById('carregar').style.visibility = 'hidden';
var i = 0;
perguntactual = variavel;
//alert(perguntactual);
	if(variavel <1) variavel = 1;
	if(variavel >30) variavel = 30;
	if((variavel >=1)&&(variavel <= 30)){
		for(i=1;i<=30;i++){
			if(i!=variavel){
				document.getElementById('div_p'+i).style.visibility = 'hidden';
				document.getElementById('div_p'+i).style.display = 'none';
				document.getElementById('tab_resp_seta_'+i).innerHTML = '&nbsp';
			}else{
				document.getElementById('div_p'+i).style.visibility = 'visible';
				document.getElementById('div_p'+i).style.display = 'block';
				document.getElementById('tab_resp_seta_'+i).innerHTML = "<img src='images/seta_cima.gif' />";

			}
		}
	}
}

function mudapergunta_a(param){
	if((param =="-") && (variavel >1))	 variavel=perguntactual-1;
	if((param =="+") && (variavel < 30)) variavel=perguntactual+1;
	mudapergunta(variavel);
}

function mudasol(perg,sol){
var perg_select = document.getElementById('resp_sol_'+perg+'_'+sol).innerHTML;
//alert(perg_select);
	if(perg_select != '&nbsp;'){
		document.getElementById('resp_sol_'+perg+'_'+sol).innerHTML = '&nbsp;';
		document.getElementById('tab_resp_num_'+perg).style.backgroundColor = 'white';
		document.getElementById('tab_resp_num_'+perg).style.color = 'black';
		document.getElementById('txt_p'+perg).value = 0;
	}else{
			for(var j = 1;j<=4;j++){
			if(j==sol){
				document.getElementById('resp_sol_'+perg+'_'+sol).innerHTML = '<img src="images/perg_on.gif" border="0"/>';
				document.getElementById('tab_resp_num_'+perg).style.backgroundColor = '#9999cc';
				document.getElementById('tab_resp_num_'+perg).style.color = '#ffffcc';
				document.getElementById('txt_p'+perg).value = j;
			}else{
				document.getElementById('resp_sol_'+perg+'_'+j).innerHTML = "&nbsp;";
			}
		}
	}
}

function insertPergNum(perg,pergID){
	document.getElementById('txt_pn'+perg).value =pergID;
}

function terminaTeste() {
	var answer = confirm("Deseja terminar o teste ?")
	if (answer){
		document.testeonline.submit();
	}
}

function sairTeste(){
	document.testeonline.submit();
}

function revisao(param){
	if(param == 0){
		document.getElementById('div_revisao').style.visibility = 'hidden';
	}else{
		document.getElementById('div_revisao').style.visibility = 'visible';
	}
}

//temporizador
var tempoMax = null; 

function StartTheTimer(){
	tempoMax = 30;//30 minutos
	tempoActual = 0;
	tempoActual = tempoMax;
	for (var textid = 1; textid <=30; textid++){
				document.getElementById("mostraTEMPO"+textid).innerHTML = tempoMax;
			}
	UpdateTimer();
}

function UpdateTimer() {
	if(tempoActual <= tempoMax){
		for(var div_tempo =1; div_tempo <= 30; div_tempo++){
			//document.getElementById("mostraTEMPO").innerHTML = tempoActual;
			for (var textid = 1; textid <=30; textid++){
				document.getElementById("mostraTEMPO"+textid).innerHTML = tempoActual;
			}
		}
		//document.getElementById("div_tempo").innerHTML = tempoActual;
		if (tempoActual == 0){
			clearTimeout(tempo);
			sairTeste();
		}else{
			tempo = setTimeout("tempoActual--;UpdateTimer()",60000);
		}
	}
}

function mostraAjudaResposta(variavel){
	if(variavel != 1){
			document.getElementById('listapaginas').style.visibility = 'hidden';
			document.getElementById('listapaginas').style.display = 'none';
	}else{
			document.getElementById('listapaginas').style.visibility = 'visible';
			document.getElementById('listapaginas').style.display = 'block';
	}
}