/* AJAX */
var xmlhttp=false;
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 	try {
 		 xmlhttp = new XMLHttpRequest();
 	} catch (e) {
 		 xmlhttp=false;
 	}
}

/*@cc_on @*/
/*@if (@_jscript_version >= 5)
if (!xmlhttp){
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlhttp = false;
  }
 }
}
@end @*/
function creaAjax(){
         var objetoAjax=false;
         try {
          /*OTROS NAVEGADORES INTERNET*/
          objetoAjax = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
          try {
                   /*EXPLORER*/
                   objetoAjax = new ActiveXObject("Microsoft.XMLHTTP");
                   }
                   catch (E) {
                   objetoAjax = false;
          }
         }

         if (!objetoAjax && typeof XMLHttpRequest!='undefined') {
          objetoAjax = new XMLHttpRequest();
         }
         return objetoAjax;
}

var please_wait = "<br><br><br><br><br><br><br><br><img src='../images/loading.gif'>";

function ajax(url, targetId) {
  if(!xmlhttp)return false;
    var e=document.getElementById(targetId);
	if(!e)return false;
    if(please_wait)e.innerHTML = please_wait;
    xmlhttp.open("GET", url, true);
    xmlhttp.onreadystatechange = function() {
		response(url, e);

	}
	try{
      xmlhttp.send(null);
   }catch(l){
		while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
		e.appendChild(document.createTextNode("request failed"));
	}
}
function response(url, e) {
  if(xmlhttp.readyState != 4)return;
    var tmp= (xmlhttp.status == 200 || xmlhttp.status == 0) ? xmlhttp.responseText : "<table width='90%' height=''><tr><td align='center' valign='middle'>No se encuentra la pagina solicitada</td></tr><tr><td align='center' valign='middle'>" + xmlhttp.status+" "+xmlhttp.statusText+"</td></tr></table>";
    var d=document.createElement("div");
    d.innerHTML=tmp;
	setTimeout(function(){
	while(e.firstChild)e.removeChild(e.firstChild);
	e.appendChild(d);}
	,10);
}

function val_contacto(){
	ok=true;
	AtPos = document.contacto.email.value.indexOf("@");
	StopPos = document.contacto.email.value.lastIndexOf(".");
	if (document.contacto.nombre.value=="") {
		que = "Enter your name";
		document.contacto.nombre.focus();
		ok=false;
	} else if (document.contacto.email.value == "") {
		que = "Enter an email address";
		document.contacto.email.focus();
		ok=false;
	} else if (AtPos == "-1" || StopPos == "-1") {
		que = "Enter a valid email";
		document.contacto.email.focus();
		ok=false;
	} else if (document.contacto.comentarios.value=="") {
		document.contacto.comentarios.focus();
		que = "Write some lines please, thanks!";
		ok=false;
	}
	if (ok!=false) {
		document.contacto.submit();
	} else {
		alert (que);
	}
	return ok;
}


function post(url, targetId, vars) {
	val_contacto();
	if (ok) {
  if(!xmlhttp)return false;
    var e=document.getElementById(targetId);if(!e)return false;
	please_wait = "<img src='../images/loading.gif'>";
    if(please_wait)e.innerHTML = please_wait;
    xmlhttp.open("POST", url, true);
	//alert(vars);
    xmlhttp.onreadystatechange = function() { response(url, e); }
    try{
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlhttp.send(vars);
    }catch(l){
    while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
    e.appendChild(document.createTextNode("request failed"));
  }
	}
}

/*function recibeid(_pagina,valorget,valorpost,capa){ 
    ajax=objetoAjax(_pagina);
    if(valorpost!=""){
        ajax.open("POST", _pagina+"?"+valorget+"&tiempo="+new Date().getTime(),true);
    } else {
        ajax.open("GET", _pagina+"?"+valorget+"&tiempo="+new Date().getTime(),true);
    }
    ajax.onreadystatechange=function() {
        if (ajax.readyState==1){
            document.getElementById(capa).innerHTML = 
				"<img src='../images/loading.gif'>";
        }
        if (ajax.readyState==4) {
            if(ajax.status==200)
            {document.getElementById(capa).innerHTML = ajax.responseText;}
            else if(ajax.status==404)
            {
                capa.innerHTML = "La direccion no existe";
            }
            else
            {
                capa.innerHTML = "Error: ".ajax.status;
            }
        }
    }
    if(valorpost!=""){
        ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        ajax.send(valorpost);
    } else {
        ajax.send(null);
    }
} */