/*function species_getArray(div){
	var ajax=nuevoAjax();
	ajax.open("POST", "lista_usuarios.php",true);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			var text = ajax.responseText;
			alert(text);
			//document.getElementById(div).innerHTML=text;
			}
	 	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send("XMLdata=HOLHOHLHOH");
}*/

function muestraSeccion(seccion,div){
	var ajax=nuevoAjax();
	ajax.open("GET",seccion,true);
	ajax.onreadystatechange=function() {
		if(ajax.readyState==1){
                       document.getElementById(div).innerHTML = "<center><img src='imagenes/ajax-loader.gif'></center>";
		}
		if (ajax.readyState==4) {
			var text = ajax.responseText
			document.getElementById(div).innerHTML=text;
			}
	 	}
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send(null);
}
function permiteAcceso(palabra){
	var ajax=nuevoAjax();
	
	if(palabra == "aqualung"){
		ajax.open("GET","acceso.php",true);
		ajax.onreadystatechange=function() {
		if(ajax.readyState==1){
						   document.getElementById('centro').innerHTML = "<center><img src='imagenes/ajax-loader.gif'></center>";
			}
		if (ajax.readyState==4) {
			var text = ajax.responseText
			document.getElementById('centro').innerHTML=text;
			}
		}
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajax.send(null);
	}else{
		ajax.open("GET","noacceso.php",true);
		ajax.onreadystatechange=function() {
		if(ajax.readyState==1){
						   document.getElementById('centro').innerHTML = "<center><img src='imagenes/ajax-loader.gif'></center>";
			}
		if (ajax.readyState==4) {
			var text = ajax.responseText
			document.getElementById('centro').innerHTML=text;
			}
		}
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		ajax.send(null);
	}
}