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

function seleccionaDiaEntrada(idioma){

	mes = document.getElementById("mesEntrada").value;
	anyo = document.getElementById("anyoEntrada").value;
	dia = document.getElementById("diaEntrada").value;

	ajax=objetoAjax();
	ajax.open("GET", "http://www.olecosta.com/Ajax/mesesEntrada.asp?mes="+mes+"&anyo="+anyo+"&dia="+dia,true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			document.getElementById("divDiaEntrada").innerHTML = ajax.responseText;
			sacaDiaEntradaTexto(idioma);
		}
	}
	ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	ajax.send();
}

function seleccionaDiaSalida(idioma){

	mes = document.getElementById("mesSalida").value;
	anyo = document.getElementById("anyoSalida").value;
	dia = document.getElementById("diaSalida").value;

	ajax=objetoAjax();
	ajax.open("GET", "http://www.olecosta.com/Ajax/mesesSalida.asp?mes="+mes+"&anyo="+anyo+"&dia="+dia,true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			document.getElementById("divDiaSalida").innerHTML = ajax.responseText;
			sacaDiaSalidaTexto(idioma);
		}
	}
	ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	ajax.send();
}