numeroCartas = 1;
function ocultaCartas(){
	for(i=0;i<numeroCartas;i++){
		idCarta = "carta" + i;
		document.getElementById(idCarta).style.display="none";
	}
}
	
function switchCarta(numCarta){

	idCarta = "carta" + numCarta;
	if(document.getElementById(idCarta).style.display=="none"){
		document.getElementById(idCarta).style.display="block";
	} else {
		document.getElementById(idCarta).style.display="none";
	}
}

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=450,height=400');");
}

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 YY_checkform() { //v4.71
//copyright (c)1998,2002 Yaromat.com
  var a=YY_checkform.arguments,oo=true,v='',s='',err=false,r,o,at,o1,t,i,j,ma,rx,cd,cm,cy,dte,at;
  document.MM_returnValue = true;
  for (i=1; i<a.length;i=i+4){
    if (a[i+1].charAt(0)=='#'){r=true; a[i+1]=a[i+1].substring(1);}else{r=false}
    o=MM_findObj(a[i].replace(/\[\d+\]/ig,""));
	o1=MM_findObj(a[i+1].replace(/\[\d+\]/ig,""));
	v=o.value;t=a[i+2];

 if (o.type=='text'||o.type=='password'||o.type=='hidden'){
      if (r&&v.length==0){err=true}
      if (v.length>0)
      if (t==1){ //fromto
        ma=a[i+1].split('_');if(isNaN(v)||v<ma[0]/1||v > ma[1]/1){err=true}
      } else if (t==2){
		rx=new RegExp("^[A-Za-z0-9_ñÑ\.=-]+@[A-Za-z0-9_ñÑ\.-]+\\.[a-zA-Z]{2,4}$");if(!rx.test(v))err=true;
      } else if (t==3){ // date
        ma=a[i+1].split("#");at=v.match(ma[0]);
		if(at){
          cd=(at[ma[1]])?at[ma[1]]:1;cm=at[ma[2]]-1;cy=at[ma[3]];
          dte=new Date(cy,cm,cd);
          if(dte.getFullYear()!=cy||dte.getDate()!=cd||dte.getMonth()!=cm){err=true};
        }else{err=true}
      } else if (t==4){ // time
        ma=a[i+1].split("#");at=v.match(ma[0]);if(!at){err=true}
      } else if (t==5){ // check this 2
            if(o1.length)o1=o1[a[i+1].replace(/(.*\[)|(\].*)/ig,"")];
            if(!o1.checked){err=true}
      } else if (t==6){ // the same
            if(v!=MM_findObj(a[i+1]).value){err=true}
      }
    } else
    if (!o.type&&o.length>0&&o[0].type=='radio'){
          at = a[i].match(/(.*)\[(\d+)\].*/i);
          o2=(o.length>1)?o[at[2]]:o;
      if (t==1&&o2&&o2.checked&&o1&&o1.value.length/1==0){err=true}
      if (t==2){
        oo=false;
        for(j=0;j<o.length;j++){oo=oo||o[j].checked}
        if(!oo){s+='* '+a[i+3]+'\n'}
      }
    } else if (o.type=='checkbox'){
      if((t==1&&o.checked==false)||(t==2&&o.checked&&o1&&o1.value.length/1==0)){err=true}
    } else if (o.type=='select-one'||o.type=='select-multiple'){
      if(t==1&&o.selectedIndex/1==0){err=true}
    }else if (o.type=='textarea'){
      if(v.length<a[i+1]){err=true}
    }
    if (err){s+='* '+a[i+3]+'\n'; err=false}
}

//validar nif
  dn=MM_findObj('dni');
  td=MM_findObj('tipo_documento');
  if (td && td.value == "dni" && dn.value !="" && !validarNIF(dn.value)) s+='* Debe introducir un NIF válido\n';


  if (s!=''){alert('La siguiente información está incompleta o contiene errores:\t\t\t\t\t\n\n'+s)}
  document.MM_returnValue = document.MM_returnValue && (s=='');
}

//validacion NIF
function validarNIF(nif)
{
	ext=nif.charAt(0);
	if (!isNaN(ext)) {
		dni=nif.substring(0,nif.length-1);
	}
	else {
		dni=nif.substring(1,nif.length-1);
	}
	let=nif.charAt(nif.length-1)
	if (!isNaN(let)) return false;

	cadena="TRWAGMYFPDXBNJZSQVHLCKET"
	posicion = dni % 23
	letra = cadena.substring(posicion,posicion+1)
	if (letra!=let.toUpperCase()) return false;
	return true;
}
  
function paisprovincia(){
if (document.form.pais.value != "192"){
    document.form.telefono.value = "";
    document.form.telefono.disabled = true;
    document.form.provincia.value = "0";
    document.form.provincia.disabled = true;
    document.form.prov.value = "1";
    document.form.tipo_documento.value = "otros";
    }
else {
    document.form.provincia.disabled = false;
    document.form.prov.value = "";
    document.form.telefono.disabled = false;
    document.form.tipo_documento.value = "dni";
    }
}

function actprovincia(){
if (document.form.provincia.value=="0"){
    document.form.prov.value="";
	}
else {
    document.form.prov.value="1";
	}
}