<!-- // Mostrar ocultar capas	

var visto = null;
function verCapa(iden) {
  obj = document.getElementById(iden);
  if (obj==visto) return false;
  if (visto!=null)
    visto.style.visibility = 'hidden';
  obj.style.visibility = 'visible';
  visto=obj;
}

<!-- // Formulario

function enviar_frm_contacta()
{
	error_message = "";
	
    if (document.frm_contacta.email.value.length==0)
	{
    	error_message = "- E-mail\n" + error_message;
    	document.frm_contacta.email.focus();
		document.frm_contacta.email.select();
    }

	if (document.frm_contacta.nombre.value.length==0)
	{
    	error_message = "- Nombre\n" + error_message;
    	document.frm_contacta.nombre.focus();
		document.frm_contacta.nombre.select();
    }
	
	 if (!document.frm_contacta.acepto.checked)
	{
    	error_message = "- Debe aceptar las condiciones de proteccion de datos\n" + error_message;
    	document.frm_contacta.acepto.focus();
		document.frm_contacta.acepto.select();
    }

	if (error_message != "")
	{
		error_message = "Los siguientes campos son obligatorios:\n\n" + error_message;
		window.alert(error_message);
		return;
	}
	
	length_mail = document.frm_contacta.email.value.length;
	length_mail = length_mail - 1;
	if ( (document.frm_contacta.email.value.indexOf ('@', 0) < 1) || (document.frm_contacta.email.value.length < 5) 
		|| (document.frm_contacta.email.value.lastIndexOf(".") < 2) || (document.frm_contacta.email.value.charAt(length_mail) == "." ) )
	{ 
    	alert("Escriba una dirección de correo válida en el campo \"E-mail\".");
		document.frm_contacta.email.focus();
		document.frm_contacta.email.select();
    	return;
    }
    
	document.frm_contacta.submit();
	
}

<!-- Menu horizontal derecha del logo

              if (document.images) {
                 var bempreoff = new Image()
                 bempreoff.src = "img/bempreoff.gif"
                 var bempreon = new Image()
                 bempreon.src = "img/bempreon.gif"

               	 var bareasoff = new Image()
                 bareasoff.src = "img/bareasoff.gif"
                 var bareason = new Image()
                 bareason.src = "img/bareason.gif"
			   
			     var bproyectosoff = new Image()
                 bproyectosoff.src = "img/bproyectosoff.gif"
                 var bproyectoson = new Image()
                 bproyectoson.src = "img/bproyectoson.gif"
						
	         	 var bcontactoff = new Image()
                 bcontactoff.src = "img/bcontactoff.gif"
                 var bcontacton = new Image()
                 bcontacton.src = "img/bcontacton.gif"
				 
				 var bimaginaeoff = new Image()
                 bimaginaeoff.src = "img/bimaginaeoff.jpg"
                 var bimaginaeon = new Image()
                 bimaginaeon.src = "img/bimaginaeon.jpg"
				 
				 var bproibinsaoff = new Image()
                 bproibinsaoff.src = "img/bproibinsaoff.jpg"
                 var bproibinsaon = new Image()
                 bproibinsaon.src = "img/bproibinsaon.jpg"
				 
				 var bifesanoff = new Image()
                 bifesanoff.src = "img/bifesanoff.jpg"
                 var bifesanon = new Image()
                 bifesanon.src = "img/bifesanon.jpg"
				 
				 var bpagoff = new Image()
                 bpagoff.src = "img/bpagoff.jpg"
                 var bpagon = new Image()
                 bpagon.src = "img/bpagon.jpg"
				 
				 var btramoff = new Image()
                 btramoff.src = "img/btramoff.jpg"
                 var btramon = new Image()
                 btramon.src = "img/btramon.jpg"
				 
				 var bprogolfoff = new Image()
                 bprogolfoff.src = "img/bprogolfoff.jpg"
                 var bprogolfon = new Image()
                 bprogolfon.src = "img/bprogolfon.jpg"
				 
				 var broviraoff = new Image()
                 broviraoff.src = "img/broviraoff.jpg"
                 var broviraon = new Image()
                 broviraon.src = "img/broviraon.jpg"
				 
				 var bparquelledoff = new Image()
                 bparquelledoff.src = "img/bparquelledoff.jpg"
                 var bparquelledon = new Image()
                 bparquelledon.src = "img/bparquelledon.jpg"
				 
				 var bazaharoff = new Image()
                 bazaharoff.src = "img/bazaharoff.jpg"
                 var bazaharon = new Image()
                 bazaharon.src = "img/bazaharon.jpg"
				 
				 var brefugioff = new Image()
                 brefugioff.src = "img/brefugioff.jpg"
                 var brefugion = new Image()
                 brefugion.src = "img/brefugion.jpg"
				 
				 var bbenigolfoff = new Image()
                 bbenigolfoff.src = "img/bbenigolfoff.jpg"
                 var bbenigolfon = new Image()
                 bbenigolfon.src = "img/bbenigolfon.jpg"
				 
				 var bcontroloff = new Image()
                 bcontroloff.src = "img/bcontroloff.jpg"
                 var bcontrolon = new Image()
                 bcontrolon.src = "img/bcontrolon.jpg"
				 
				 var bdomenechoff = new Image()
                 bdomenechoff.src = "img/bdomenechoff.jpg"
                 var bdomenechon = new Image()
                 bdomenechon.src = "img/bdomenechon.jpg"
				 
				 var bfmoff = new Image()
                 bfmoff.src = "img/bfmoff.jpg"
                 var bfmon = new Image()
                 bfmon.src = "img/bfmon.jpg"
				 
				 var bgbpoff = new Image()
                 bgbpoff.src = "img/bgbpoff.jpg"
                 var bgbpon = new Image()
                 bgbpon.src = "img/bgbpon.jpg"
				 
				 var blibroff = new Image()
                 blibroff.src = "img/blibroff.jpg"
                 var blibron = new Image()
                 blibron.src = "img/blibron.jpg"
				 
				 var bbelfastoff = new Image()
                 bbelfastoff.src = "img/bbelfastoff.jpg"
                 var bbelfaston = new Image()
                 bbelfaston.src = "img/bbelfaston.jpg"
				 
				 var bfilmanoff = new Image()
                 bfilmanoff.src = "img/bfilmanoff.jpg"
                 var bfilmanon = new Image()
                 bfilmanon.src = "img/bfilmanon.jpg"


					  }
                function inact(imgName) {
                if (document.images)
                  document[imgName].src = eval(imgName+'off.src')
                }
               function act(imgName) {
                if (document.images) 
                  document[imgName].src = eval(imgName+'on.src')
              }


// -->

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_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_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; }
}

<!-- // Cambio de color celda

	function cambiar_color_over(celda){
		celda.style.backgroundColor="#0c0c0c"
	}
	function cambiar_color_out(celda){
		celda.style.backgroundColor="transparent"
	}