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 objajax(campo,consulta,donde){
	var datobj = new Date();
	var ajax = new Array();
	ajax[0]=objetoAjax();
	ajax[0].open("GET", ''+ consulta +'&date='+ datobj +'');
	ajax[0].onreadystatechange=function() {
		if (ajax[0].readystate==1) {
		donde.getElementById(campo).innerHTML = '<img src="/imagenes/ajaxloader.gif" width="24" height="24" border="0" alt="" />';
		}
		if (ajax[0].readyState==4) {
		donde.getElementById(campo).innerHTML = ajax[0].responseText;
		}
	}
	ajax[0].send(null)
		
}
function calen(datos) {
	var ajax = new Array();
	ajax[0] = objetoAjax();
	ajax[0].open("GET", "inc/calendario.php" + datos + '&amp;nocache=' + Math.random());
	ajax[0].onreadystatechange=function() {
		if(ajax[0].readyState==1) {
		document.getElementById('capacal').innerHTML='<div align="center">Cargando...</div>';
		}
		if(ajax[0].readyState==4) {
		document.getElementById('capacal').innerHTML=ajax[0].responseText;
		}
	}
	ajax[0].send(null);
}