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 makeRequestGET(URL, divElement, Asinc, getScript){
	divResultado = document.getElementById(divElement);
	ajax=objetoAjax();
	ajax.open("GET", URL, Asinc);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4 && ajax.status == 200) {
			divResultado.innerHTML = ajax.responseText;

			// Creo el nuevo JS 
			if (getScript != "")
			{
				var etiquetaScript = document.createElement("script"); 
				document.getElementsByTagName("head")[0].appendChild(etiquetaScript); 
				etiquetaScript.text = getScript;
			}
		}
		else
		{
			divResultado.innerHTML = "<span class='TextLoad'>Cargando...<img src='media/loading_ani.gif'></span>";
		}
	}
	ajax.send(null)
}

function makeRequestPOST(URL, divElement, Asinc, element1){
	divResultado = document.getElementById(divElement);
	txtSend = element1 + "=" + document.getElementById(element1).value;
	ajax=objetoAjax();
	ajax.open("POST", URL, Asinc);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4 && ajax.status == 200) {
			divResultado.innerHTML = ajax.responseText;
		}
	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send(txtSend)
}