// javascript AJAX
var peticion = false;
if (window.XMLHttpRequest) {
	peticion = new XMLHttpRequest();
} else if (window.ActiveXObject) {
	peticion = new ActiveXObject("Microsoft.XMLHTTP");
}


function ObtenerDatos(datos,divID) {
	if(peticion) {
		var obj = document.getElementById(divID);
		peticion.open("GET", datos);
		peticion.onreadystatechange = function()  {
			if (peticion.readyState == 4) {
				obj.innerHTML = peticion.responseText;
			}
		}
		peticion.send(null);
	}
}

function CambiarEstilo(id) {
	var elementosMenu = getElementsByClassName(document, "li", "seleccionado");
	for (k = 0; k< elementosMenu.length; k++) {
		elementosMenu[k].className = "inactivo";
	}
	var identity=document.getElementById(id);
	identity.className="seleccionado";
}

function CambiarEstiloSolapas(id) {
	var elementosMenu = getElementsByClassName(document, "li", "seleccionadoSolapa");
	for (k = 0; k< elementosMenu.length; k++) {
		elementosMenu[k].className = "inactivoSolapa";
	}
	var identity=document.getElementById(id);
	identity.className="seleccionadoSolapa";
}

/*
function getElementsByClassName
Written by Jonathan Snook, http://www.snook.ca/jonathan
Add-ons by Robert Nyman, http://www.robertnyman.com
  */

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}
// / javascript AJAX