function validar(){
	var fml=document.contato;
	var status=true;
	var arroba = fml.email.value.indexOf("@");
	var ponto = fml.email.value.indexOf(".");
	
	//Valida o campo NOME.
	if(fml.nome.value.length < 3){
		var name=document.getElementById("v_nome");
		name.innerHTML= "(Insira um nome v&aacute;lido)";
		var n=document.getElementById("nome");
		n.className='erroCx';
		status=false;
	}
	else{
	var namex=document.getElementById("v_nome");
	namex.innerHTML= "";
	var nx=document.getElementById("nome");
	nx.className='';
	}

	//Valida o campo TELEFONE.
	if (fml.telefone.value.length < 7) {
		var telc=document.getElementById("v_telefone");
		telc.innerHTML= "(Telefone inv&aacute;lido)";
		var te=document.getElementById("telefone");
		te.className='erroCx';
		status=false;
	}
	else{
	var telx=document.getElementById("v_telelefone");
	namex.innerHTML= "";
	var tex=document.getElementById("telefone");
	tex.className='';
	}

	//Valida o campo E-MAIL.
	if(fml.email.value.length < 5 || arroba == -1 || ponto == -1){
		var em=document.getElementById("v_email");
		em.innerHTML= "(Insira um e-mail v&aacute;lido)";
		var em2=document.getElementById("email");
		em2.className='erroCx';
		status=false;
	}
	else{
		var emx=document.getElementById("v_email");
		emx.innerHTML= "";
		var em2x=document.getElementById("email");
		em2x.className='';
	}
	
	if(status){
	 fml.submit();	
	}
	
}//fecha funcao de envio


function limpa(limp){
	var x=document.getElementById(limp);
	x.className='';
	var y = "v_"+limp;
	var z=document.getElementById(y);
	z.innerHTML='';
}

function limpar2(){
	var xx=document.getElementById("v_nome");
	xx.innerHTML= "";
	var nn=document.getElementById("nome");
	nn.className='';
	var yy=document.getElementById("v_email");
	yy.innerHTML= "";
	var em3=document.getElementById("email");
	em3.className='';
	var tt3=document.getElementById("v_telefone");
	tt3.innerHTML='';
	var ttx=document.getElementById("telefone");
	ttx.className='';
}