function verificaCaptcha(captcha){	
	httpRequest('verifica-captcha.php?captcha='+captcha, 'respostaCaptcha');
}
function respostaCaptcha(resposta){
	if(resposta=="true"){
			document.frm.submit()
	}else{
			alert('Código de segurança inválido');
	}
}

function validaCampos(){
	var campos =  validaForm(document.forms.frm,'','Nome,Email,Empresa,Endereco,Cidade,UF,Telefone,Mensagem');
	if(campos==true){
		var captcha = verificaCaptcha(nomecampo('Captcha').value);
	}else{
		
	}
}
function forcaLink(id){ 
		var el = document.getElementById(id);
        var evt;		
        if (document.createEvent){ 
            evt = document.createEvent("MouseEvents");			
            evt.initMouseEvent("click", false, true, el.ownerDocument.defaultView, 0, 0, 0, 0, 0, false, false, false, false, 0, null); 
        } 
		
        (evt)? el.dispatchEvent(evt):(el.click && el.click()); 
      
}
function showHide() {
try{
    var obj = document.getElementById('banner-flutuante');
        if(obj.style.visibility=='hidden') obj.style.visibility = 'visible';
        else obj.style.visibility = 'hidden';
} catch(e){status = e.message}
}
function show(){
document.getElementById('banner-flutuante').style.visibility = 'visible';
   setInterval(hide, 5000);
}
function hide(){
document.getElementById('banner-flutuante').style.visibility = 'hidden';
}
//setInterval(showHide, 1000);
function alinhaBanner()
{
	div = document.getElementById('banner-flutuante');
	w = document.body.offsetWidth;

		div.style.left = ((w - div.clientWidth) / 2) + 'px'
	
	
	window.onresize = alinhaBanner
}
function _jsMenu(idMenu) {
	if (document.getElementById(idMenu).style.display == 'none') {
		document.getElementById('institucional').style.display = 'none';
		document.getElementById('ensino').style.display = 'none';
		document.getElementById('colegio').style.display = 'none';
		document.getElementById(idMenu).style.display = '';
	}
	else {
		document.getElementById(idMenu).style.display = 'none';
	}
}

var scrollFlag = false;
var scrollDelay = 5;
var scrollAmount = 2
 
function js_scroll() {
	if (scrollFlag) {
		if (scrollSide == 'left') {
			document.getElementById('divScroll').scrollLeft  = document.getElementById('divScroll').scrollLeft- scrollAmount;
		}
		else if (scrollSide == 'right') {
			document.getElementById('divScroll').scrollLeft = document.getElementById('divScroll').scrollLeft + scrollAmount;
		}
		setTimeout('js_scroll()',scrollDelay);
	}
}
 
function js_scroll_call() {
	scrollFlag = js_scroll_call.arguments[0];
	scrollSide = js_scroll_call.arguments[1];
	js_scroll();
}


function nomecampo(id)
{
	return document.getElementById(id)
}
function controleAluno(acao){
	
		if(acao=='1'){//abrir
			nomecampo('chamada').style.display = '';
			nomecampo('campo').style.display = '';
		}else{
			nomecampo('chamada').style.display = 'none';
			nomecampo('campo').style.display = 'none';
		}

		
}

function httpRequest(strUrl, strFnc)
{

	if (window.XMLHttpRequest) {
		objReq = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		objReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	objReq.open("GET", strUrl, true);
	objReq.send(null);
	if (strFnc != "") {
		objReq.onreadystatechange = function() 
		{
			if (objReq.readyState == 4)
			{
				eval(strFnc + '(objReq.responseText)');
			}
		};
	}
}

function validaForm(frm, excecoes, validados)
{
	printConfig(frm)
	
	Array.prototype.busca = function busca(txt)
	{
		var i
		for(i = 0; i < this.length; i++)
		{
			if(this[i] == txt)
				return true
		}
		return false
	}
	
	if(excecoes)
		excecoes = excecoes.split(',')
	else
		excecoes = new Array()
		
	if(validados)
		validados = validados.split(',')
	else
		validados = new Array()
	
	for(i = 0; i < frm.length; i++)
	{
		obj = frm.elements[i]
		
		if(excecoes.length > 0)
		{
			if(!excecoes.busca(obj.name))
			{
				if(!tagName(obj))
					return false
			}
		}
		else if(validados.length > 0)
		{
			if(validados.busca(obj.name))
			{
				if(!tagName(obj))
					return false
			}
		}
		else
		{
			if(!tagName(obj))
				return false
		}
	}
	return true
}

function tagName(obj)
{
	if(obj.name.substr(0,5).toLowerCase() == 'email')
	{
		if(!validaEmail(obj))
		{
			return false
		}
	}
	else if(obj.name.substr(0,8).toLowerCase() == 'telefone')
	{
		if(!validaTelefone(obj))
		{
			return false
		}
	}
	else if(obj.name.substr(0,4).toLowerCase() == 'data')
	{
		if(!validaData(obj))
		{
			alert('O campo ' + obj.name + ' está incorreto.')
			obj.focus()
			return false
		}
	}
	
	switch(obj.tagName)
	{
		case 'SELECT':
			if(obj.value == '')
			{
				obj.focus()
				alert('Selecione o campo ' + obj.name)
				return false
			}
			return true
			break
		case 'TEXTAREA':
			if(obj.value == '')
			{
				obj.focus()
				alert('Preencha o campo ' + obj.name)
				return false
			}
			return true
			break
		case 'INPUT':
			return Input(obj)
			break
	}
}

function Input(obj)
{
	switch(obj.type)
	{
		case "hidden":
		case "image":
		case "button":
			return true
			break
		case "file":
			if(obj.value == '')
			{
				obj.focus()
				alert('Selecione um Arquivo' )
				return false
			}
			return true
			break
		case "text":
			if(obj.value == '')
			{
				obj.focus()
				alert('Preencha o campo ' + obj.name)
				return false
			}
			return true
			break
		case "checkbox":
			var checkbox = document.getElementsByName(obj.name)
			var i, checked = 0
			for(i = 0; i < checkbox.length; i++)
			{
				if(checkbox[i].checked)
					checked = 1
			}
			if(checked == 0)
			{
				obj.focus()
				alert('Selecione o campo ' + obj.name)
				return false
			}
			else
				return true
			break
		case "radio":
			var radio = document.getElementsByName(obj.name)
			var i, checked = 0
			for(i = 0; i < radio.length; i++)
			{
				if(radio[i].checked)
					checked = 1
			}
			if(checked == 0)
			{
				obj.focus()
				alert('Selecione o campo ' + obj.name)
				return false
			}
			else
				return true
			break
		default:
			return true
			break
	}
}

function printConfig(frm)
{
	Array.prototype.busca = function busca(txt)
	{
		var i
		for(i = 0; i < this.length; i++)
		{
			if(this[i] == txt)
				return true
		}
		return false
	}
	var printConfig = Array()
	if(frm.print_config)
	{
		for(i = 0; i < frm.length; i++)
		{
			if(frm.elements[i].tagName == 'INPUT')
			{
				if(frm.elements[i].type != 'hidden')
				{
					if(!printConfig.busca(frm.elements[i].name))
					{
						printConfig.push(frm.elements[i].name)
					}
				}
			}
			else
			{
				if(!printConfig.busca(frm.elements[i].name))
				{
					printConfig.push(frm.elements[i].name)
				}
			}
		}
		frm.print_config.value = printConfig.toString()
	}
}


function validaEmail(campo)
{   
	if (!ConsisteEmail(campo.value)  && campo.value != '')
	{
		alert("Favor Digitar o Email Corretamente.");
		campo.focus();
		return false
	}
	return true
}

function ConsisteEmail(valor) 
{
	var reg = /\w{1,}[@]\w{1,}[.]\w{1,}/
	return reg.test(valor);
}

function validaTelefone(campo)
{
	var reg = /[(]\d{2}[)]\s{1}\d{4}[-]\d{4}/
	
	if (!reg.test(campo.value)  && campo.value != '')
	{
		alert("O campo " + campo.name + " está em um formato incorreto.");
		campo.focus();
		return false
	}
	return true
}

function validaData(campo)
{
	
	var reg = /\d{2}[\/]\d{2}[\/]\d{4}/
	
	if(!reg.test(campo.value) && campo.value != '')
		return false
	
	
	dia = parseInt(campo.value.substr(0,2))
	mes = parseInt(campo.value.substr(3,2))
	ano = parseInt(campo.value.substr(6,4))
	
	data = new Date()
	dias = Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
	if(data.getFullYear() % 4 == 0)
		dias[1] = 29
				
	if(mes < 1 || mes > 12)
		return false
		
	if(dia < 1 || dia > dias[mes - 1])
		return false
		
	return true
}


function formatar(src,mask,validador,somenteNumero,e)
{
	var tecla = (e.keyCode) ? e.keyCode : e.charCode
	if(tecla != 8)
	{
		string = src.value
		aux = ''
		
		if(string == '') return
		
		if(somenteNumero == 's')
		{
			string = string.replace(/\D/gi,'')
		}
		
		val = mask.replace(validador,'')
		for(i = 0; i < val.length; i++)
		{
			string = string.replace(val.charAt(i),'')
		}
		
		mask = mask.split('')
		string = string.split('')
		
		v = Array(mask.length)
		pV = 0
		pString = 0
		
		for (pMask = 0; pMask < mask.length; pMask++)
		{
			if(mask[pMask] != validador)
			{
				v[pV] = mask[pMask]
				pV++
			}
			else
			{
				v[pV] = string[pString]
				pV++
				pString++
			}
			
			if(pString > string.length)
				break
		}
	
		src.value = v.join('')
	}
}
function validaNews() {
	 if (document.forms.news.Nome.value == '' || document.forms.news.Nome.value  == 'seu nome') {
		alert('Por favor informe seu Nome.');
		document.forms.news.Nome.value='';
		document.forms.news.Nome.focus();
		return false;
	 }
	  if (document.forms.news.Email.value == '' || document.forms.news.Email.value.indexOf("@") == -1 || document.forms.news.Email.value.indexOf(".") == -1) {
		alert('Por favor informe um Email válido.');
		document.forms.news.Email.value='';
		document.forms.news.Email.focus();
		return false;
	 }
	return true;
 }