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 mostrar(id) {
  if (document.getElementById) {
    document.getElementById(id).style.display="block";
  } 
  else if (document.all) {
    document.all[id].style.display="block";
  }
  else if (document.layers) {
    document.layers[id].display="block";
  }
} 

function ocultar() {

  elementos_a_ocultar_1 = "submenu";
  //elementos_a_ocultar_2 = "smenu2";

  if (document.getElementById) {

    document.getElementById(elementos_a_ocultar_1).style.display="none";
    //document.getElementById(elementos_a_ocultar_2).style.display="none";
  }
  
  else if (document.all) {
    document.all[elementos_a_ocultar_1].style.display="none";
    //document.all[elementos_a_ocultar_2].style.display="none";
  }
  
  else if (document.layers) {
    document.layers[elementos_a_ocultar_1].display="none";
    //document.layers[elementos_a_ocultar_2].display="none";
  }
  
}

function euskara() {
  alert("Euskaratzeko lanean ari gara.");
}

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 isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0); 
}

function procesar() {
  errores = false;
  mensaje = "Se encontraron errores al procesar el formulario:\n";

  p = MM_findObj("form1");
  
  if (p.nombre.value == "") {
    errores = true;
    mensaje = mensaje + " - El nombre es un dato requerido.\n";
  }
  if (p.email.value == "") {
    errores = true;
    mensaje = mensaje + " - El e-mail de contacto es un dato requerido.\n";
  }
  else {
    if (!isValidEmail(p.email.value)) {
      errores = true;
      mensaje = mensaje + " - El e-mail introducido no es correcto.\n";
    }
  }
  if (p.comentarios.value == "") {
    errores = true;
    mensaje = mensaje + " - Debes introducir tu comentario, sugerencia, consulta...\n";
  }

  if (errores == false){
    p.submit();
  }
  else {
    alert(mensaje);
  }
}

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

function GP_AdvOpenWindow(theURL,winName,features,popWidth,popHeight,winAlign,ignorelink,alwaysOnTop,autoCloseTime,borderless) { //v2.0
	var leftPos=0,topPos=0,autoCloseTimeoutHandle, ontopIntervalHandle, w = 480, h = 340;	
	if (popWidth > 0) features += (features.length > 0 ? ',' : '') + 'width=' + popWidth;
	if (popHeight > 0) features += (features.length > 0 ? ',' : '') + 'height=' + popHeight;
	if (winAlign && winAlign != "" && popWidth > 0 && popHeight > 0) {
		if (document.all || document.layers || document.getElementById) {w = screen.availWidth; h = screen.availHeight;}
		if (winAlign.indexOf("center") != -1) {topPos = (h-popHeight)/2;leftPos = (w-popWidth)/2;}
		if (winAlign.indexOf("bottom") != -1) topPos = h-popHeight; if (winAlign.indexOf("right") != -1) leftPos = w-popWidth; 
		if (winAlign.indexOf("left") != -1) leftPos = 0; if (winAlign.indexOf("top") != -1) topPos = 0; 						
		features += (features.length > 0 ? ',' : '') + 'top=' + topPos+',left='+leftPos;}
	if (document.all && borderless && borderless != "" && features.indexOf("fullscreen") != -1) features+=",fullscreen=1";
	if (window["popupWindow"] == null) window["popupWindow"] = new Array();
	var wp = popupWindow.length;
	popupWindow[wp] = window.open(theURL,winName,features);
	if (popupWindow[wp].opener == null) popupWindow[wp].opener = self;	
	if (document.all || document.layers || document.getElementById) {
		if (borderless && borderless != "") {popupWindow[wp].resizeTo(popWidth,popHeight); popupWindow[wp].moveTo(leftPos, topPos);}
		if (alwaysOnTop && alwaysOnTop != "") {
			ontopIntervalHandle = popupWindow[wp].setInterval("window.focus();", 50);
			popupWindow[wp].document.body.onload = function() {window.setInterval("window.focus();", 50);}; }
		if (autoCloseTime && autoCloseTime > 0) {
			popupWindow[wp].document.body.onbeforeunload = function() {
				if (autoCloseTimeoutHandle) window.clearInterval(autoCloseTimeoutHandle);
				window.onbeforeunload = null;	}	
	 		autoCloseTimeoutHandle = window.setTimeout("popupWindow["+wp+"].close()", autoCloseTime * 1000); }
		window.onbeforeunload = function() {for (var i=0;i<popupWindow.length;i++) popupWindow[i].close();}; }	 
	document.MM_returnValue = (ignorelink && ignorelink != "") ? false : true;
}