<!--
function checkButton (formulario)
	{
	var nTotalBotoesChecados = 0;
	if (formulario.conteudo[0].checked || formulario.conteudo[1].checked || formulario.conteudo[2].checked || formulario.conteudo[3].checked || formulario.conteudo[4].checked) nTotalBotoesChecados += 1;
	if (formulario.utilidade[0].checked || formulario.utilidade[1].checked || formulario.utilidade[2].checked || formulario.utilidade[3].checked || formulario.utilidade[4].checked) nTotalBotoesChecados += 1;
	if (nTotalBotoesChecados > 1) document.avaliacao.opinar.disabled=false;
	}

function preLoadImages() 
	{ 
	var szString;
	szImgSrc = new String;
 	var currentDoc = document; 
	if (!currentDoc.preLoadedImages) currentDoc.preLoadedImages = new Array();
	if (currentDoc.images)
		{ 
		var j = -1;
		for (i=0; i < currentDoc.images.length; i++)		
			{
			currentDoc.forms[0].wparams.value = currentDoc.images[i].src;
			szImgSrc = currentDoc.forms[0].wparams.value;
			offPos = szImgSrc.indexOf ("_off");
			if (offPos > 0)
				{
				newImgSrc = szImgSrc.slice(0, offPos)+"_on.gif";
				j += 1;
				currentDoc.preLoadedImages [j]     = new Image; 
				currentDoc.preLoadedImages [j].src = newImgSrc;
				}
			}
		}
	}

function swapImage (imageId)
	{
	found = new Boolean;
	found = false;
  	var currentDoc = document; 
	var currImage = imageId+"_off";
	for (currImgPos =0; currImgPos  < currentDoc.images.length; currImgPos ++)
		{
		currentDoc.forms[0].wparams.value = currentDoc.images[currImgPos].src;
		szImgSrc = currentDoc.forms[0].wparams.value;
		if (szImgSrc.indexOf (currImage) > 0) { found = true; break; }
		}
	if (!found) { return; }
	currImage = imageId+"_on";
	for (i=0; i < currentDoc.preLoadedImages.length; i++)		
		{
		currentDoc.forms[0].wparams.value = currentDoc.preLoadedImages[i].src;
		if (currentDoc.forms[0].wparams.value.indexOf (currImage) > 0)
			{
			currentDoc.images [currImgPos].src = currentDoc.preLoadedImages [i].src;
			break;
			}
		}
	}

function restoreImage (imageId) 
	{
  	var currentDoc = document; 
	var currImage = imageId+"_on";
	for (currImgPos =0; currImgPos  < currentDoc.images.length; currImgPos ++)
		{
		currentDoc.forms[0].wparams.value = currentDoc.images[currImgPos].src;
		szImgSrc = currentDoc.forms[0].wparams.value;
		if (szImgSrc.indexOf (currImage) > 0) { found = true; break; }
		}
	if (!found) return;
	found = false;
	currImage = imageId+"_on";
	for (i=0; i < currentDoc.preLoadedImages.length; i++)		
		{
		currentDoc.forms[0].wparams.value = currentDoc.preLoadedImages[i].src;
		szImgSrc = currentDoc.forms[0].wparams.value;
		offPos = szImgSrc.indexOf ("_on");
		if (currentDoc.forms[0].wparams.value.indexOf (currImage) > 0)
			{
			newImgSrc = szImgSrc.slice(0, offPos)+"_off.gif";
			currentDoc.images [currImgPos].src = newImgSrc;
			break;
			}
		}
	}

function efetuarConvite ()
	{
	var siteName = "http://www.ibrau.com.br/comentarartigo.htm?";
	siteName += "url="+document.URL;
	siteName += "&title="+document.title;
	NewWindow = open (siteName, "comente", "toolbar=no,scrollbars=no,location=no,directories=no,status=yes,menubar=no,resizable=yes,,width=550,height=490");
	}	

function contatarColunista (szIdColunista)
	{
	var siteName = "http://www.ibrau.com.br/falecolunista.htm?";
	siteName += "colunista="+szIdColunista;
	siteName += "&title="+document.title;
	NewWindow = open (siteName, "faleclns", "toolbar=no,scrollbars=yes,location=no,directories=no,status=no,menubar=no,resizable=yes");
	}	

function validarDadosContato (formulario)
	{
	bad = new Boolean;
	bad = false;
	formulario.recipient.value = "contato";
	formulario.recipient.value += "@ibrau.com.br";
	if (formulario.mensagem.value == "") { alert ("Por favor preencha a mensagem"); formulario.mensagem.focus(); return; }
	if (formulario.email.value != "") bad = ValidarEnderecoDeEmail (formulario.email.value);
	if (!bad) formulario.submit();
	}	

function ValidarDatos (formulario)
	{
	bad = new Boolean;
	bad = false;
	if (formulario.mensagem.value = "") { alert ("Por favor escribe algún mensaje."); formulario.mensagem.focus(); return; }
	if (formulario.email.value != "") bad = ValidarEnderecoDeEmail (formulario.email.value);
	if (!bad) formulario.submit();
	}	

function validaInscricaoCursoUSJT (formulario)
	{
	if (formulario.nome.value == "") { alert ("Favor informe seu nome."); formulario.nome.focus(); return; }
	if (formulario.email.value == "" && formulario.telefone.value == "" && formulario.telefone2.value == "")  { alert ("Favor informe seu endereço de email ou pelo menos um telefone de contato."); formulario.email.focus(); return; }
	if (formulario.ddd.value == "" && (formulario.telefone.value != "" || formulario.telefone2.value != ""))  { alert ("Favor informe o DDD do seu telefone de contato."); formulario.ddd.focus(); return; }
	bad = new Boolean;
	bad = false;
	if (formulario.email.value != "") bad = ValidarEnderecoDeEmail (formulario.email.value);
	if (!bad) 
		{
		formulario.recipient.value = "contato@ibrau.com.br,usjt@ibrau.com.br";
		formulario.submit();
		}
	}	
//-->