// JavaScript Document
<!--
ns4 = (document.layers) ? true:false 
ie4 = (document.all) ? true:false 
ng5 = (document.getElementById) ? true:false 
var i=0; // contador
resp = new Array(4,1,4,3,4,3,1,1,1,2,3,4,1,4,3); //respostas da prova

// funcao show, mostra as layers
function show(n) { 
	if (ng5) document.getElementById("L" + n).style.visibility = "visible"; 
	else if (ns4) document.layers["L" + n].visibility = "show"; 
	else if (ie4) document.all["L" + n].style.visibility = "visible";
}
// funcao show, mostra as layers
function hide(n) { 
	if (ng5) document.getElementById("L" + n).style.visibility = "hidden"; 
	else if (ns4) document.layers["L" + n].visibility = "hide"; 
	else if (ie4) document.all["L" + n].style.visibility = "hidden";
}
// funcao disablecheck, disabilita os checkbox após o clique
function disablecheck(c){
document.form1["checkbox"  + c].disabled = true;
} 

// verifica o numero de itens clicados, após o numero correto, mostra o botao avancar
function soma(n,t){
certo = true;
ve[n] = false;
for(i=0; i<=ve.length; i++){
	if(ve[i]){
		certo = false;
	}
	if (certo && i==ve.length){
		if (ng5) document.getElementById("L" + t).style.visibility = "visible"; 
		else 
			if (ns4) document.layers["L" + t].visibility = "show"; 
			else 
				if (ie4) document.all["L" + t].style.visibility = "visible"; 
	}
}
}

// verifica a quantidade de números clicados para sumir certas coisas
function subtracao(n,t){
certo = true;
ve[n] = false;
for(i=0; i<=ve.length; i++){
	if(ve[i]){
		certo = false;
	}
	if (certo && i==ve.length){
		if (ng5) document.getElementById("L" + t).style.visibility = "hidden"; 
		else 
			if (ns4) document.layers["L" + t].visibility = "hide"; 
			else 
				if (ie4) document.all["L" + t].style.visibility = "hidden"; 
	}
}
}

// verifica se a resposta é certa
function quest(num_q){
	num_q = num_q - 1;
	if(resp[num_q]){
		if (resp[num_q] == a){
			show(10);
			show(666);
			resp[num_q] = 0;
		} else {
			show(20);
			if(resp[num_q]==1){
				MM_swapImage('img1','','../images/botao1_alt_a_certo.jpg',1)
			} else if(resp[num_q]==2){
				MM_swapImage('img2','','../images/botao1_alt_b_certo.jpg',1)
			} else if(resp[num_q]==3){
				MM_swapImage('img3','','../images/botao1_alt_c_certo.jpg',1)
			} else if(resp[num_q]==4){
				MM_swapImage('img4','','../images/botao1_alt_d_certo.jpg',1)
			}
			show(666);
			resp[num_q] = 0;
		}
	} /*else {
		alert('Você já respondeu essa questão.\nClique sobre o botão \"Avançar\".');
	}*/
}

//atribui

function atribui(num){
	a=num;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->