// JavaScript Document
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_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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function SwitchMenu(obj)
{
  	if(document.getElementById)  {
		var el = document.getElementById(obj);    	

 	   if(el.style.visibility != "visible"){      
		      el.style.visibility = "visible";
	   }else{   
		      el.style.visibility = "hidden";
	   }
	  }// end -  if(document.getElementById) 
}//end - function SwitchMenu(obj)

function campoObligatorio(campo) {
  if (!eval(campo+".value")) {
    alert("Este campo es obligatorio");
    eval(campo+".focus()");
    return false;
  }
  return true;
}
function enviaForm() {
  var campo = new Array();
  var objeto = "document.form1";
  campo[0] = objeto+".nombre";
  campo[1] = objeto+".email";  
  campo[2] = objeto+".contenido";
  for (var i=0;i<campo.length;i++) {
    if (!campoObligatorio(campo[i])) return
  }
  if (!checkEmail(eval(campo[1]+".value"))) {
    alert("Escriba una dirección correo válida");
    eval(campo[1]+".value=\"\"");
    eval(campo[1]+".focus()");
    return
  }
  eval(objeto+".submit()");
}

function validaAccesoRestringido() {
	var campo = new Array();
  	var objeto = "document.form1";
	campo[0] = objeto+".login";
  	campo[1] = objeto+".passwd";
  	for (var i=0;i<campo.length-1;i++) {
    	if (!campoObligatorio(campo[i])) return
	}
	eval(objeto+".submit()");
}
function checkEmail(correo) {
         if (!correo) return true;
         var a = correo.indexOf("@");
         var p = correo.lastIndexOf(".");
         var l = correo.length;
         if (a<1 || a>l-5 || a>p-2 || p<l-5 || p>l-3) return false;
         var especial = true;
         for (var i=a+1;i<l;i++) {
              var c=correo.charAt(i).toLowerCase();
              if ((c>='0' && c<='9') || (c>='a' && c<='z')) especial=false;
              else if (c=='-' || c=='.'){
                   if (especial) return false;
                   especial = true;
              }
              else return false;
         }
              if (especial) return false;
              return true;
}
function abreLightbox(foto,pie) {
	console.log("/img/fotos/ampliacion/"+foto);
	dojo.require("dojox.image.Lightbox");
	var lightBox = new dojox.image.Lightbox({ title: pie, href:"/img/fotos/ampliacion/"+foto});
	dojo.connect(lightBox,'onClose',function(){
		lightBox.destroy();
	});
	lightBox.startup();
	lightBox.show();
}