function structure(){
	if(document.getElementById("receber").style.display == 'none'){
		document.getElementById("receber").style.display = "block";
	}else{
		document.getElementById("receber").style.display = "none";
	}
}

function val(){
	if(document.frm002.nome.value == ''){
		alert('Preencha o campo Nome!');
		document.frm002.nome.focus();
		return false;
	}
	if(document.frm002.email.value == ''){
		alert('Preencha o campo Email');
		document.frm002.email.focus();
		return false;
	}else{
		if(!isEmail(document.frm002.email.value)){
			alert('Campo Email em formato inválido.');
			document.frm002.email.focus();
			return false;
		}
	}
}

function boletim(url,w,h){
	t = (window.screen.height-h)/2;
	l = (window.screen.width-w)/2;
	config = "menubar=0,toolbar=0,resizable=no,scrollbars=yes,status=0,location=0,width="+w+",height="+h+",top="+t+",left="+l;
	window.open(url, "popup", config);
}