function loadImages() {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById('hidepage').style.visibility = 'hidden';
}
else {
if (document.layers) { // Netscape 4
document.hidepage.visibility = 'hidden';
}
else { // IE 4
document.all.hidepage.style.visibility = 'hidden';
}
}
}



function getXMLHttpRequest(){
	var Versiones = [ "MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp","Microsoft.XMLHttp"];
	if (window.XMLHttpRequest){
		return new XMLHttpRequest();
	}
	else if(window.ActiveXObject){
		for(var i = 0; i < Versiones.length; i++){
			try{
				var oXmlHttp = new ActiveXObject(Versiones[i]);
				return oXmlHttp;
			}
			catch(error){
		
			}
		}
	}
}
						
			function Ejecutar(Pagina, Elemento){
				document.getElementById(Elemento).innerHTML = "<img src='images/cargando.gif' alt='Cargando...' />";
			
				var Pagina_Solicitada = getXMLHttpRequest();
							
				Pagina_Solicitada.onreadystatechange = function (){
					if (Pagina_Solicitada.readyState == 4 && (Pagina_Solicitada.status == 200 || window.location.href.indexOf ("http") == - 1))
							
					document.getElementById(Elemento).innerHTML = Pagina_Solicitada.responseText;
				}
					
				Pagina_Solicitada.open ('GET', Pagina, true);
				Pagina_Solicitada.send (null);
			}