var sal_ph11 = false;
try{
	sal_ph11 = new ActiveXObject("Msxml2.XMLHTTP");
}catch(e){
	try{
		sal_ph11 = new ActiveXObject("Microsoft.XMLHTTP");
	}catch(E){
		sal_ph11 = false;
	}
}
if (!sal_ph11 && typeof XMLHttpRequest != 'undefined'){
	sal_ph11 = new XMLHttpRequest();
}

function extScript(text_response){
    var ini = 0;
    while (ini!=-1){
        ini = text_response.indexOf('<script', ini);
        if (ini >=0){
            ini = text_response.indexOf('>', ini) + 1;
            var fim = text_response.indexOf('</script>', ini);
            codigo = text_response.substring(ini,fim);
            eval(codigo);
        }
    }
}

function getViewportHeight() {
	if (window.innerHeight!=window.undefined) return window.innerHeight;
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight;
	if (document.body) return document.body.clientHeight; 
	return window.undefined; 
}

function getViewportWidth(){
	if (window.innerWidth!=window.undefined) return window.innerWidth; 
	if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
	if (document.body) return document.body.clientWidth; 
	return window.undefined; 
}

function pegarPosicaoX(objeto){
    var atual_left = 0;
    if (objeto.offsetParent){
        while (objeto.offsetParent){
            atual_left += objeto.offsetLeft
            objeto = objeto.offsetParent;
        }
    }
    return atual_left;
}
 
function pegarPosicaoY(objeto){
    var atual_top = 0;
    if (objeto.offsetParent){
        while (objeto.offsetParent){
            atual_top += objeto.offsetTop
            objeto = objeto.offsetParent;
        }
    }
    return atual_top;
} 

function valid_news(){
	if (document.getElementById("txt_nome").value==""){
		alert("Digite seu nome");
		document.getElementById("txt_nome").focus();
		return false;
	}
	if (document.getElementById("txt_email").value==""){
		alert("Digite seu e-mail");
		document.getElementById("txt_email").focus();
		return false;
	}
	if (document.form2.rad_opcao[0].checked){
		var opcao = "1";
	}else{
		var opcao = "2";
	}
	sal_ph11.open("GET","inc_newsletter.php?email="+escape(document.getElementById("txt_email").value)+"&nome="+escape(document.getElementById("txt_nome").value)+"&opcao="+opcao);
	sal_ph11.onreadystatechange= function(){
		if (sal_ph11.readyState == 4 && sal_ph11.status == 200){
			text_response = unescape(sal_ph11.responseText.replace(/\+/g," "));
			document.getElementById('dv_news').innerHTML = text_response;
			extScript(text_response);
		}
	}
	update_news();
	sal_ph11.send(null);
}

function back_news(){
	sal_ph11.open("GET","inc_newsletter.php");
	sal_ph11.onreadystatechange= function(){
		if (sal_ph11.readyState == 4 && sal_ph11.status == 200){
			text_response = unescape(sal_ph11.responseText.replace(/\+/g," "));
			document.getElementById('dv_news').innerHTML = text_response;
			extScript(text_response);
		}
	}
	update_news();
	sal_ph11.send(null);
}

function update_news(){
	document.getElementById('dv_news').innerHTML = "<center><span style='font-size=12px; font-face:arial; color:#D09E62;'> <img src='loading.gif'>Carregando ...  </span>";
}