// JavaScript Document
function efetuar_operacao(btu,valor,cell)
	{		
		if (valor == "+")
		{
			document.getElementById(btu).value="-";
			document.getElementById(cell).style.display="block";
			document.getElementById(btu).src="images/100.gif";
			document.getElementById(btu).title="Esconder Comentarios";
			document.getElementById(btu).align="absmiddle";
			document.getElementById('f'+btu).style.color="#990000";
			//document.getElementById('f'+btu).style.textDecoration="underline";
		}
		else
		{
			document.getElementById(btu).value="+";
			document.getElementById(cell).style.display="none";
			document.getElementById(btu).src="images/99.gif";
			document.getElementById(btu).title="Mostrar Comentarios";
			document.getElementById(btu).align="absmiddle";
			document.getElementById('f'+btu).style.color="#990000";
			//document.getElementById('f'+btu).style.textDecoration="none";
		}
	}
function efetuar_operacao2(btu,valor,cell)
	{		
		if (valor == "+")
		{
			document.getElementById(btu).value="-";
			document.getElementById(cell).style.display="block";
			document.getElementById(btu).src="images/100.gif";
			document.getElementById(btu).title="Esconder Comentarios";
			document.getElementById(btu).align="absmiddle";
			document.getElementById('f'+btu).style.color="#990000";
			//document.getElementById('f'+btu).style.textDecoration="underline";
		}
		else
		{
			document.getElementById(btu).value="+";
			document.getElementById(cell).style.display="none";
			document.getElementById(btu).src="images/99.gif";
			document.getElementById(btu).title="Mostrar Comentarios";
			document.getElementById(btu).align="absmiddle";
			document.getElementById('f'+btu).style.color="#990000";
			//document.getElementById('f'+btu).style.textDecoration="none";
		}
	}	

function valida_com() {
if (document.formcoms.Nome.value.length <= 3) { 
    alert("Informe o seu NOME.");
    document.formcoms.Nome.focus();
    return false; }
else if (document.formcoms.Email.value.length <= 5) {
    alert("Forneça um E-MAIL válido.");
    document.formcoms.Email.focus();
    return false; }
else if (document.formcoms.Titulo.value.length <= 3) {
    alert("Digite um TITULO para o seu comentário.");
    document.formcoms.Titulo.focus();
    return false; }
else if (document.formcoms.concordo.value.length < 1) {
    alert("Você deve concordar com os termos de uso do site.");
    document.formcoms.concordo.focus();
    return false; }
else if (document.formcoms.seguranca2.value.length <= 5) {
    alert("Digite o código de segurança.");
    document.formcoms.seguranca2.focus();
    return false; }
}