function MostraEsconde(idMostra, idEsconde) {
	if (idMostra) {
		var a = idMostra.split(/\W/);
		for (var i in a) {
			var containerMosEsq = document.all && document.all[(a[i])+"Cont"] || document.getElementById && document.getElementById((a[i])+"Cont");
			if(containerMosEsq)
			{
				if(containerMosEsq.className)
				{
					containerMosEsq.className = containerMosEsq.className + " ativo";
				}
			}
			
			var e = document.all && document.all[a[i]] || document.getElementById && document.getElementById(a[i]);
			if (e) {
				e.style.display = '';
			}
		}
	}
	if (idEsconde) {
		var a = idEsconde.split(/\W/);
		for (var i in a) {
			var containerMosEsq = document.all && document.all[(a[i])+"Cont"] || document.getElementById && document.getElementById((a[i])+"Cont");
			if(containerMosEsq)
			{
				if(containerMosEsq.className) 
				{
					var arrClass = containerMosEsq.className.split(" ");
					var arrClassInativo = new Array();
					
					for (var j = 0; j < arrClass.length; j++)
					{
						if(arrClass[j] != 'ativo')
						{
							arrClassInativo[j] = arrClass[j];
						}
					}
					var strClasse = arrClassInativo.toString();
					
					strClasse = strClasse.replace(/,/," ");
					strClasse = strClasse.replace(/,/," ");
					
					containerMosEsq.className = strClasse;
				}
			}
			
			var e = document.all && document.all[a[i]] || document.getElementById && document.getElementById(a[i]);
			if (e){
				e.style.display = 'none';
			}
		}
	}
}

var bustcachevar=1;
var loadedobjects="";
var rootdomain="http://"+window.location.hostname;
var bustcacheparameter="";

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}

// Alterar tamanho de fonte
var tam = 1;

function altTamFonte(tipo)
{
  if( tipo == 'mais' )
  {
    if( tam < 1.2 ) tam += 0.10 ;    			 
  }
  else
  {
    if( tam > 0.8 ) tam -= 0.10 ;
  }
  if( document.getElementById( 'containerFonte' ) )
    mudaFonteRecursiva( tipo , document.getElementById( 'containerFonte' ) ) ;

  if( document.getElementById( 'containerFonte' ) )
    mudaFonteRecursiva( tipo , document.getElementById( 'containerFonte' ) ) ;  
}

function mudaFonteRecursiva( tipo , domElement )
{		
	domElement.style.fontSize = tam+'em';
}

/*
======================================
===== LIMITAR CARACTERES TEXTAREA ====
======================================
*/

var limite=200;

function soma() {

var mais_um=eval(document.boxOpiniao.comentario.value.length-1);
mais_um++;

if (document.boxOpiniao.comentario.value.length>limite){
  document.boxOpiniao.comentario.value=document.boxOpiniao.comentario.value;
  alert("Você deve digitar no máximo "+limite+" caracteres.");
} else {
  document.boxOpiniao.exibe.value='';
  document.boxOpiniao.exibe.value=eval(limite-mais_um);
  valor_limite=document.form.comentario.value;
}
document.boxOpiniao.comentario.focus();
}

function getFocus(e) {
	document.getElementById(e).style.overflow = "visible";	
}

function looseFocus(e) {
	document.getElementById(e).style.overflow = "hidden";
}