var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-20033632-12']);
  _gaq.push(['_trackPageview']);

  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();

var whitespace = " \t\n\r";

function isEmpty(s)
{
   return ((s == null) || (s.length == 0))
}

function isWhitespace (s)

{   var i;

    if (isEmpty(s)) return true;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);

        if (whitespace.indexOf(c) == -1) return false;
    }

    return true;
}

function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }

function dameletra(form)
{
	if (!(form.dni1.value == "") && (IsNumeric(form.dni1.value))){
		var JuegoCaracteres="TRWAGMYFPDXBNJZSQVHLCKET";
		var Posicion=  form.dni1.value % 23;
		var Letra = JuegoCaracteres.charAt(Posicion);
		form.dni2.value=Letra
	}
}

function comprobarDatos ( form )
{
		
    if (form.usuario.value == "" || isWhitespace(form.usuario.value)) {
        alert( "Por favor, escriba su nombre de usuario." );
		form.usuario.value="";
        form.usuario.focus();
        return false ;
    }
	
	if (form.password.value == "" || isWhitespace(form.password.value)){
        alert( "Por favor, escriba su contraseña." );
		form.password.value="";
	    form.password.focus();
        return false ;
    }
		
	return true ;
}

function cambioclave ( form )
{
		
    if (form.antigua.value == "" || isWhitespace(form.antigua.value)) {
        alert( "Por favor, escriba su antigua contraseña." );
		form.antigua.value="";
        form.antigua.focus();
        return false ;
    }
	
	if (form.nueva.value == "" || isWhitespace(form.nueva.value)){
        alert( "Por favor, escriba su nueva contraseña." );
		form.nueva.value="";
	    form.nueva.focus();
        return false ;
    }
	
	if ((form.nueva.value == "") || (form.nueva2.value == "") || (form.nueva.value != form.nueva2.value) || isWhitespace(form.nueva.value) || isWhitespace(form.nueva2.value)) {
        alert( "Por favor, compruebe que ha escrito la nueva contraseña de forma idéntica en ambas ocasiones." );
        form.nueva.value="";
        form.nueva2.value="";		
		form.nueva.focus();
        return false ;
    }
		
	return true ;
}

function comprobarDatos2 ( form )
{
		
    if (form.usuario.value == "" || isWhitespace(form.usuario.value)) {
        alert( "Por favor, escriba su email con que se registró." );
		form.usuario.value="";
        form.usuario.focus();
        return false ;
    }
		
	return true ;
}

function chequeaFormulario(form)
{

  if(!form.a[0].checked && !form.a[1].checked && !form.a[2].checked && !form.a[3].checked) {
	/* if(!form.a[0].checked && !form.a[1].checked && !form.a[2].checked) {*/
     alert("Debe seleccionar una respuesta para la pregunta.");
     return false;
    }
	
   return true;
}

function comprobarPostal ( form )
{
		
    if (form.remitente.value == "") {
        alert( "Por favor, escriba su nombre." );
        form.remitente.focus();
        return false ;
    }
	
	if ((form.dni1.value == "") || (!IsNumeric(form.dni1.value))){
        alert( "Por favor, escriba el número de su DNI." );
        form.dni1.focus();
        return false ;
    }	
	if ((form.dni2.value == "") || (IsNumeric(form.dni2.value))){
        alert( "Por favor, escriba la letra de su DNI." );
        form.dni2.focus();
        return false ;
    }
	var JuegoCaracteres="TRWAGMYFPDXBNJZSQVHLCKET";
	var Posicion=  form.dni1.value % 23;
	var Letra = JuegoCaracteres.charAt(Posicion);
	var Letrita = form.dni2.value;
	if (Letrita.toUpperCase() != Letra){
        alert( "Atención, el DNI introducido no es correcto." );
        form.dni1.focus();
        return false ;
    }	
	
	    if (form.ciudad.value == "") {
        alert( "Por favor, escriba la ciudad donde se encuentra." );
        form.ciudad.focus();
        return false ;
    }
	
	if (form.asunto.value == ""){
        alert( "Por favor, escriba el asunto." );
	    form.asunto.focus();
        return false ;
    }
	
	if (form.mensaje.value == ""){
        alert( "Por favor, escriba su mensaje." );
	    form.mensaje.focus();
        return false ;
    }	
	
	return true ;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function abreVentana(theURL,winName,features) {
	var winl = (screen.width - 450) / 2;
	var wint = (screen.height - 350) / 2;
	win = window.open(theURL,winName,features+',left='+winl+',top='+wint);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }  
}

function closeRemote() {
timer = setTimeout('window.close();', 10);
}