// JavaScript Document

var Toolbar = {};
Toolbar._onmouseover = function(ev){
	var l = ev.target || ev.srcElement;
	if(l.className == "topToolbarButton") l.className = "topToolbarButtonHover";
}
Toolbar._onmouseout = function(ev){
	var l = ev.target || ev.srcElement, to = ev.relatedTarget || ev.toElement;
	while(l && l.className != "topToolbarButtonHover") l = l.parentNode;
	while(to && to != l) to = to.parentNode;
	if(l && l != to) l.className = "topToolbarButton";
}

function ajaxFunction() {
	var xmlHttp;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		return xmlHttp;
	} catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			return xmlHttp;
		}catch(e){
			try {
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				return xmlHttp;
			}catch(e){
				alert("Tu navegador no soporta AJAX!");
				return false;
			}
		}
	}
}

function Enviar(_pagina,capa){
	var ajax;
	ajax = ajaxFunction();
	ajax.open("POST", _pagina, true);
	ajax.setRequestHeader("Content-Type",
	"application/x-www-form-urlencoded");
	ajax.onreadystatechange = function() {
		if (ajax.readyState == 4) {
			if (ajax.status==200){
			document.getElementById(capa).innerHTML = ajax.responseText;
			}
		}
	}
	ajax.send(null);
}

function validarEmail(valor) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor)){
		//alert("La dirección de email " + valor + " es correcta.");
		return true;
	} else {
		alert("La direccion de email es incorrecta.");
		return false;
	}
}

function validarletras()
{
   if (event.keyCode < 45 || event.keyCode > 57){
   event.returnValue =true
   }else{
   event.returnValue = false
   }
}