function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();


function carrega(modulo) {
	ultimoModulo=modulo;
	http.open('get', 'gateway.php?action=seccao&s='+modulo);
    http.onreadystatechange = function() {
		if(http.readyState == 4){
				var response = http.responseText;
				if (response.length > 0) {
					document.getElementById("conteudos").innerHTML=response;
				}
		}		
	}
    http.send(null);
	return false;
}

function lingua(lang) {
	location='index.php?s=' + ultimoModulo + '&lang='+lang;
	return false;	
}