var obj_ajax=new Object();obj_ajax.READY_STATE_UNINITIALIZED=0;obj_ajax.READY_STATE_LOADING=1;obj_ajax.READY_STATE_LOADED=2;obj_ajax.READY_STATE_INTERACTIVE=3;obj_ajax.READY_STATE_COMPLETE=4;obj_ajax.CargadorContenidos=function(B,E,D,C,A,F){this.url=B;this.req=null;this.onload=E;this.onerror=(D)?D:this.defaultError;this.cargaContenidoXML(B,C,A,F)};obj_ajax.CargadorContenidos.prototype={cargaContenidoXML:function(C,D,B,F){if(window.XMLHttpRequest){this.req=new XMLHttpRequest()}else{if(window.ActiveXObject){this.req=new ActiveXObject("Microsoft.XMLHTTP")}}if(this.req){try{var A=this;this.req.onreadystatechange=function(){A.onReadyState.call(A)};this.req.open(D,C,true);if(F){this.req.setRequestHeader("Content-Type",F)}this.req.send(B)}catch(E){this.onerror.call(this)}}},onReadyState:function(){var C=this.req;var B=C.readyState;if(B==obj_ajax.READY_STATE_COMPLETE){var A=C.status;if(A==200||A==0){this.onload.call(this)}else{this.onerror.call(this)}}},defaultError:function(){alert("Se ha producido un error al obtener los datos\n\nreadyState:"+this.req.readyState+"\nstatus: "+this.req.status+"\nheaders: "+this.req.getAllResponseHeaders())}};function img_cargar(B,A){document.getElementById(B).innerHTML=A}function mostrarPaginas(C,A){img_cargar("carga",'<div style="border:1px solid #999999;height:23px;background:#FAFCFE"><strong>Cargando...</strong></div>');contenidos=function(){document.getElementById(A).innerHTML=this.req.responseText;img_cargar("carga",'')};var B=new obj_ajax.CargadorContenidos(C,contenidos,"","GET",null,"")};