function valida_form() {
	document.getElementById("td_extra").innerHTML = ""
	document.getElementById("tr_extra").style.display = 'none'
	erro = false
	
	if(document.all.usuario_entrepise_login.value.length == "" ){
		document.getElementById("tr_extra").style.display = 'block'
		document.getElementById("td_extra").innerHTML = "Por favor, preencha o Usuário "
		erro = true
		return false
	}
	if(document.all.senha_entrepise_login.value.length == "" ){
		document.getElementById("tr_extra").style.display = 'block'
		document.getElementById("td_extra").innerHTML = "Por favor, preencha a Senha "
		erro = true
		return false
	}
	if(erro == true){
		return false
	} 
	document.getElementById("extra_botao").style.display = 'none'
	document.getElementById("tr_extra").style.display = 'block'
	document.getElementById("td_extra").innerHTML = "Aguarde, Carregando... "
	carregando()
	return true;
}


function valida_form_news() {
	document.getElementById("td_news").innerHTML = ""
	document.getElementById("tr_news").style.display = 'none'
	erro = false
	
	if(document.all.nome.value.length == "" ){
		document.getElementById("tr_news").style.display = 'block'
		document.getElementById("td_news").innerHTML = "Por favor, preencha o Nome "
		erro = true
		return false
	}
	if(document.all.email.value.length == "" ){
		document.getElementById("tr_news").style.display = 'block'
		document.getElementById("td_news").innerHTML = "Por favor, preencha o E-mail "
		erro = true
		return false
	}
	
	if((document.all.email.value.indexOf('@', 0) == -1 || document.all.email.value.indexOf('.', 0) == -1) && document.all.email.value.length != 0){
		document.getElementById("tr_news").style.display = 'block'
		document.getElementById("td_news").innerHTML = "Preencha corretamente o E-mail "
		erro = true
		return false
		}

	
	if(erro == true){
		return false
	} 
	document.getElementById("news_botao").style.display = 'none'
	document.getElementById("tr_news").style.display = 'block'
	document.getElementById("td_news").innerHTML = "Aguarde, Carregando... "
	carregando()
	return true;
}


function carregando() {
	document.getElementById("div_conteudo_carregando").style.visibility='visible'
	document.getElementById("div_conteudo_carregando2").style.visibility='visible'
}
function carregou() {
	document.getElementById("div_conteudo_carregando").style.visibility='hidden'
	document.getElementById("div_conteudo_carregando2").style.visibility='hidden'
}
///////funcao form contato//////
function submete_form() {
	
	v_nome = document.getElementById("nome_contato").value
	v_email = document.getElementById("email_contato").value
	v_empresa = document.getElementById("empresa_contato").value
	v_ddd= document.getElementById("ddd_contato").value
	v_telefone = document.getElementById("telefone_contato").value
	v_mensagem_1 = document.getElementById("mensagem_contato").value
	v_optin = document.getElementById("optin_contato").checked
	v_msg = "<nobr>Preencha este campo<nobr>"
	v_mensagem = v_mensagem_1.replace(/\n/g, '<br>');
	document.getElementById("td_nome_contato").innerHTML = ''
	document.getElementById("td_email_contato").innerHTML = ''
	document.getElementById("td_telefone_contato").innerHTML = ''
	document.getElementById("td_mensagem_contato").innerHTML = ''
	
	if(v_nome.length == 0 || v_email.length == 0 || v_telefone.length == 0 || v_mensagem.length == 0 || v_email.indexOf('@', 0) == -1 || v_email.indexOf('.', 0) == -1) {
		if(v_nome.length == 0 ){
			document.getElementById("td_nome_contato").innerHTML = v_msg
		}
		if(v_email.length == 0 ){
			document.getElementById("td_email_contato").innerHTML = v_msg
		}
		if((v_email.indexOf('@', 0) == -1 || v_email.indexOf('.', 0) == -1) && v_email.length != 0){
			document.getElementById("td_email_contato").innerHTML = 'E-mail Incorreto'
		}

		if(v_telefone.length == 0 ){
			document.getElementById("td_telefone_contato").innerHTML = v_msg
		}
		if(v_mensagem.length == 0 ){
			document.getElementById("td_mensagem_contato").innerHTML = v_msg
		}
	}
	else {
		vaar = 'nome='+v_nome+'&email='+v_email+'&empresa='+v_empresa+'&ddd='+v_ddd+'&telefone='+v_telefone+'&mensagem='+v_mensagem+'&optin='+v_optin
		ajx('contato','tb_contato', vaar)
		carregando()
		document.getElementById("tb_form").style.display='none'
		document.getElementById("tb_contato").style.display='block'
	}
	
}
/////Ajax////
var xmlHttp
var pg = ''
var modificar = ''
var variaveis = ''
function ajx(var1, var2, var3){ 
	pg = var1
	modificar = var2
	variaveis = var3
	var url='ajx_'+ pg +'.asp?sid='+ Math.random() + '&' + variaveis
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	var checkmail=true;
	xmlHttp.send(null)
} 

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		document.getElementById(modificar).innerHTML=xmlHttp.responseText 
		carregou()
		window.setTimeout('carregou()', 2000)
	} 
	
} 
function GetXmlHttpObject(handler){ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("This example doesn't work in Opera") 
		return 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0) { 
		var strName="Msxml2.XMLHTTP"
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0) {
			strName="Microsoft.XMLHTTP"
		} 
		try { 
			objXmlHttp=new ActiveXObject(strName)
			objXmlHttp.onreadystatechange=handler 
			return objXmlHttp
		} 
		catch(e){ 
			alert("Error. Scripting for ActiveX might be disabled") 
			return 
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0) {
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
}