var url = 'http://www.chateagratis.net/';

function creaAjax(){
var objetoAjax=false;
if (window.XMLHttpRequest) { objetoAjax = new XMLHttpRequest(); }
else if (window.ActiveXObject) { objetoAjax= new ActiveXObject("Microsoft.XMLHTTP"); }
return objetoAjax;
}

function ajaxEnviarFrase() {
var ajax = creaAjax();
var contenedor = document.getElementById('enviarFrases');
var cadenaFormulario = '';
var sepCampos='';
ajax.open("POST", url + 'frases/enviarFraseAjax.php', true);
ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=ISO-8859-1');
for (var i=0; i <= document.com.elements.length-1;i++) {
cadenaFormulario += sepCampos+document.com.elements[i].name+'='+encodeURI(document.com.elements[i].value);
sepCampos="&";
}
ajax.onreadystatechange = function() {
if (ajax.readyState==1) { contenedor.innerHTML = "<center><img src='/img/cargando.gif'></img></center>"; }
if (ajax.readyState==2) { contenedor.innerHTML = "<center><img src='/img/cargando.gif'></img></center>"; }
if (ajax.readyState==3) { contenedor.innerHTML = "<center><img src='/img/cargando.gif'></img></center>"; }
if (ajax.readyState==4) {contenedor.innerHTML = ajax.responseText;}
}
ajax.send(cadenaFormulario);
}