function ajax(){

	try{

		xmlhttp = new XMLHttpRequest();

	}catch(ee){

		try{

			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

		}catch(e){

			try{

				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

			}catch(E){

				xmlhttp = false;

			}

		}

	}

	

	return xmlhttp;

}

function gravar_email(){

	var erro=0;

	var mensagem=null;

	var email_ajax=document.getElementById("email")
	var pnome_ajax=document.getElementById("pnome")
	//var conteudo_ajax=document.getElementById("button")	

	if(email_ajax==null){ erro=1; }else{ }
	if(pnome_ajax==null){ erro=1; }

	var url="ajax.php?accao=inserir_email&email="+email_ajax.value+"&pnome="+pnome_ajax.value+"&unome="	

	//conteudo_ajax.value='A gravar dados...';

	//conteudo_ajax.disabled=true;

	xmlhttp=ajax();
	xmlhttp.open("GET",url,true);
	xmlhttp.onreadystatechange=function(){
        if (xmlhttp.readyState==4){
			 if(xmlhttp.status == 200) {
            		//conteudo_ajax.value=xmlhttp.responseText;
					alert(xmlhttp.responseText);
					//conteudo_ajax.disabled=false;
					//conteudo_ajax.value="Subscrever";
			 }
        }
	}
	xmlhttp.send(null);
}

function newsletter_fechar(){

		//document.getElementById("button").disabled=false;
		//document.getElementById("conteudo").innerHTML='Inscrição newsletter.';
		//document.getElementById('newsletter').style.visibility='hidden';

}