function Email(valor){
	var validar = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{1,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
	if(!validar.test(valor)){
		document.getElementById('email').style.border = '2px solid red';
	}else{
		document.getElementById('email').style.border = '2px solid green';
	}	
	Ver();
}

function Nome(valor){
	if(valor == ''){
		document.getElementById('nome').style.border = '2px solid red';
	}else{
		document.getElementById('nome').style.border = '2px solid green';
	}	
	Ver();
}

function Assunto(valor){
	if(valor == ''){
		document.getElementById('assunto').style.border = '2px solid red';
	}else{
		document.getElementById('assunto').style.border = '2px solid green';
	}	
	Ver();
}

function Mens(valor){
	if(valor == ''){
		document.getElementById('mens').style.border = '2px solid red';
	}else{
		document.getElementById('mens').style.border = '2px solid green';
	}
	Ver();
}

function Limpar(){
	document.getElementById('nome').style.border = '2px solid red';
	document.getElementById('nome').value = '';
	document.getElementById('email').style.border = '2px solid red';
	document.getElementById('email').value = '';
	document.getElementById('assunto').style.border = '2px solid red';
	document.getElementById('assunto').value = '';
	document.getElementById('mens').style.border = '2px solid red';
	document.getElementById('mens').value = '';
	Ver();
}

function Ver(){
	var nome = document.getElementById('nome').value;
	var email = document.getElementById('email').value;
	var assunto = document.getElementById('assunto').value;
	var mens = document.getElementById('mens').value;
	var validar = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{1,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
	if(nome == '' || !validar.test(email) || assunto == '' || mens == ''){
		document.getElementById('enviar').disabled = true;
	}else{
		document.getElementById('enviar').disabled = false;
	}
}

function Enviar(dados){
	var oXMLHttp = Ajax();
    var dados = "nome="+escape(dados.nome.value)+"&email="+escape(dados.email.value)+"&assunto="+escape(dados.assunto.value)+"&mens="+escape(dados.mens.value);
	oXMLHttp.open("POST", "contato.php", true);
	oXMLHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	oXMLHttp.onreadystatechange = function(){
		if(oXMLHttp.readyState == 4){
			if(oXMLHttp.status == 200){
				mensagem(oXMLHttp.responseText);
				window.setTimeout('Redirecionar()', 5000);
			}else{
				mensagem("Ocorreu erro: "+ oXMLHttp.statustext);
			}
		}
	};
	oXMLHttp.send(dados);
	return false;
}

function mensagem(main){
	document.getElementById('principal').innerHTML=main;
}

function Redirecionar(){
	window.location.href = 'http://www.ceramicamifale.com.br/novo';
}