String.prototype.trim = function(){
	return this.replace(/^\s*/, "").replace(/\s*$/, "");
}
var navegador = /msie/i.test(navigator.userAgent);
function apenasNumeros(e){
	/* how to use
		onKeyPress="return apenasNumeros(event);"
	*/
	
	
	if (navegador){
		var tecla = event.keyCode;
	}else{
		var tecla = e.which;
	}

	if(tecla > 47 && tecla < 58 || tecla ==0) {// numeros de 0 a 9
		return true;
	}else{
		if (tecla != 8){ // backspace
			return false;
		}else{
			return true;
		}
	}
}
 function ajaxJs(){
    try {
		 aj = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(e) {
		 try {
			aj = new ActiveXObject("Msxml2.XMLHTTP");
		 } catch(ex) {
			try {
			   aj = new XMLHttpRequest();
			}catch(exc) {
			   alert("Esse browser não tem recursos para uso do Ajax");
			   aj = null;
			}
		 }
		}
		
		return aj;
 }


function validar(form){
	
	
	for (var i = 0; i < form.elements.length; i++) {
		
		var valide = false;
		if(form.elements[i].alt!="" || form.elements[i].title !=""){
			
				if (form.elements[i].type == "text" ) {
					if (form.elements[i].value.trim()=="" ){			
							alert("Preencha o Campo " + form.elements[i].alt + form.elements[i].title);
							form.elements[i].focus();
							return false;
					}else if(form.elements[i].alt.indexOf("CPF")>=0 || form.elements[i].title.indexOf("CPF")>=0){
							
						if(!validaCPF(form.elements[i].value)){
							alert("CPF inválido");
							form.elements[i].focus();
							return false;
						}
		
					}else if(form.elements[i].alt.indexOf("E-mail")>=0 || form.elements[i].title.indexOf("E-mail")>=0){
						if(!validaEMail(form.elements[i].value)){
							alert("E-mail inválido");
							form.elements[i].focus();
							return false;
						}
					}else if(form.elements[i].alt.indexOf("Data")>=0 || form.elements[i].title.indexOf("Data")>=0){
						if(!validarData(form.elements[i].value)){
							alert("O campo "+ form.elements[i].title +" é  inválido");
							form.elements[i].focus();
							return false;
						}
					}
				}else if(form.elements[i].type == "textarea"){
					if (form.elements[i].value=="" ){
						if (form.elements[i].title !=""){
							alert("Preencha o Campo " + form.elements[i].title);
							form.elements[i].focus();
							return false;
						}
					}
				}else if(form.elements[i].type == "select-one"){
					if (form.elements[i].title !=""){
						if(form.elements[i].value ==""){
							alert("Escolha um(a) " + form.elements[i].title);
							form.elements[i].focus();
							return false;
						}
					}
				}else if (form.elements[i].type == "hidden" ) {
					if (form.elements[i].value.trim()=="" ){
							if (form.elements[i].title !=""){
								alert("Preencha o Campo " + form.elements[i].title);
								//form.elements[i].focus();
								return false;
							}
					}
				}
			
		}
	}

	form.submit();

	
}

/* inicio Valida Cpf */
function validaCPF(cpf) {
	if (cpf.replace(/^\s*|\s*$/g,"").length == 11) {
		var cpf1 = limpaCPF(cpf);
		if(checaCPF(cpf1)){ return true; }else if(cpf1!=""){ return false; }
	} else {
		return false;
	}
}

function limpaCPF(cpf) {
	l = cpf.length;
	st2 = "";
	for (i = 0; i < l; i++) {
		caracter = cpf.substring(i,i+1);
		if ((parseInt(caracter) >= 0) && (parseInt(caracter) <= 9))
			st2 = st2 + caracter;
	}
	return st2;
}
		
function checaCPF(CPF) {
	if (CPF.length != 11 || CPF == "00000000000" || CPF == "11111111111" || CPF == "22222222222" ||	CPF == "33333333333" || CPF == "44444444444" ||	CPF == "55555555555" || CPF == "66666666666" || CPF == "77777777777" || CPF == "88888888888" || CPF == "99999999999" || CPF == "01234567890")
		return false;
	soma = 0;
	for (i=0; i < 9; i ++)
		soma += parseInt(CPF.charAt(i)) * (10 - i);
	resto = 11 - (soma % 11);
	if (resto == 10 || resto == 11)
		resto = 0;
	if (resto != parseInt(CPF.charAt(9)))
		return false;
	soma = 0;
	for (i = 0; i < 10; i ++)
		soma += parseInt(CPF.charAt(i)) * (11 - i);
	resto = 11 - (soma % 11);
	if (resto == 10 || resto == 11)
		resto = 0;
	if (resto != parseInt(CPF.charAt(10)))
		return false;
	return true;
}
/* fim valida cpf */

/* inicio valida email */
function validaEMail(texto) {
	var msgauxem=false;
	if (texto.length >= 0) {
		if(validate1(texto) == false) {
			msgauxem=true;
			erro=true;
		}
		c=0;
		for(i=0; i<=texto.length;i++) {
			if(texto.substring(i,i+1) == "@") {
				c++;
			}
		}
		if(c!=1) {
			msgauxem=true;
			erro=true;
		}
		if(texto.substring(texto.length-1,texto.length) == "-" || texto.substring(texto.length-1, texto.length) == "_") {
			msgauxem=true;
			erro=true;
		}
		for(i=0;i<=texto.length;i++) {
			if(texto.substring(i,i+2) == "-." || texto.substring(i,i+2) == "_." || texto.substring(i,i+2)== "..") {
				msgauxem=true;
				erro=true;
			}
		}
		for(i=0;i<=texto.length;i++) {
			if(texto.substring(i,i+2) == ".-" || texto.substring(i,i+2) == "._") {
				msgauxem=true;
				erro=true;
			}
		}
		p=texto.indexOf('@');
		if (p<1 || p>(texto.length-6)) {
			msgauxem=true;
			erro=true;
		}
		texto1=texto.substring((p+1),texto.length);
		t=texto1.indexOf('.');
		texto4=texto1.substring(0,t);
		if (t<1 || t>(texto1.length-3)) { //
			msgauxem=true;
			erro=true;
		}
		if(texto1.substring(0,1) == "_" || texto1.substring(0,1) == "-") {
			msgauxem=true;
			erro=true;
		}
		if(texto.substring(0,1)=="_" || texto.substring(0,1) == "-" ) {
			msgauxem=true;
			erro=true;
		}
		texto2=texto.substring(p-1,p);
		if(texto2 == "." || texto2 == "-" || texto2 == "_") {
			msgauxem=true;
			erro=true;
		}
		r=texto.indexOf('.');
		if (r<1) {
			msgauxem=true;
			erro=true;
		}
		texto3=texto.substring(r+1,texto.length);
		u=texto3.indexOf('.');
		if(u>(texto3.length-3)) {
			msgauxem=true;
			erro=true;
		}
	}
	
	if (msgauxem == true) { return false; } else { return true; }
	
}

function validate1(texto) {
	var valid = "abcdefghijklmnopqrstuvxyzwABCDEFGHIJKLMNOPQRSTUVXYZW1234567890-_.@"
				var ok = "yes";
	var temp;
	for (var i=0; i<=texto.length; i++) {
		temp = "" + texto.substring(i, i+1);
		if (valid.indexOf(temp) == "-1")
			ok = "no";
	}
	
	if (ok == "no") {
		return false;
	}
	
	return true;
}

/* fim valida email */


function validarData(str){
	var reDate= /^((0?[1-9]|[12]\d)\/(0?[1-9]|1[0-2])|30\/(0?[13-9]|1[0-2])|31\/(0?[13578]|1[02]))\/(19|20)?\d{2}$/;
	
		if (reDate.test(str)) {
			return true;
		} else if (str != null && str != "") {
			return false;
		}else{
			return false;
		}

} // doDate