var whitespace = " \t\n\r";
var defaultEmptyOK = false
var digits = "0123456789";
var lowercaseLetters = "abcdefghijklmnopqrstuvwxyzáéíóúñü"
var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZÁÉÍÓÚÑ"

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_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_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&&id.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 verfoto(id,pag) { 
	alto = 615;
	ancho = 560;
	var x = (screen.width-ancho)/2
	var y = (screen.height-(alto+60))/2
	pagina = "galeriasv.asp?id="+id+"&pag="+pag
	window.open(pagina,"_blank","toolbar=no,directories=no,scrollbars=no,location=no,menubar=no,width="+ancho+",height="+alto+",top="+y+",left="+x+",status=no,");
}

function agregar(url,titulo){ 
   if ((navigator.appName=="Microsoft Internet Explorer") && (parseInt(navigator.appVersion)>=4)) { 
      //var url="http://www.TuSitio.com/"; 
      //var titulo=" Descripcion de mi sitio web"; 
      window.external.AddFavorite(url,titulo); 
   } 
   else { 
      if(navigator.appName == "Netscape") 
         alert ("Presione Crtl+D para agregar este sitio en sus Bookmarks"); 
   } 
} 

function cambio(obj,num,acc) {
	if(num==1) {if(acc==1) {obj.className="menu_3"};obj.style.cursor="hand";} else {if(acc==1) {obj.className="menu_2"};}
}

function isEmail (s)
{
    if (isWhitespace(s)) return false;
    var i = 1;
    var sLength = s.length;
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

function isWhitespace (s)
{   var i;
	var envi2 = 1
    for (i = 0; i < s.length; i++)    {if (s.charAt(i)==' ') {envi2=0}}
	if (envi2 == 0) {return true;} else {return false;}
}

function isAlphanumeric (s)
{   var i;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (!(isLetter(c) || isDigit(c) ) ) return false;
    }

    return true;
}

function esNumero (s)
{   var i;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (!(isDigit(c))) return false;
    }

    return true;
}



function isLetter (c)
{
    return( ( uppercaseLetters.indexOf( c ) != -1 ) ||
            ( lowercaseLetters.indexOf( c ) != -1 ) )
}

function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}


function IsDni(dni) {
  numero = dni.substr(0,dni.length-1);
  let = dni.substr(dni.length-1,1);
  numero = numero % 23;
  letra1='TRWAGMYFPDXBNJZSQVHLCKET';
  letra2='trwagmyfpdxbnjzsqvhlcket';
  letra1=letra1.substring(numero,numero+1);
  letra2=letra2.substring(numero,numero+1);
  if (letra1!=let && letra2!=let) {return false;} else {return true;}
}

function agregar(url,titulo){ 
   if ((navigator.appName=="Microsoft Internet Explorer") && (parseInt(navigator.appVersion)>=4)) { 
      window.external.AddFavorite(url,titulo); 
   } 
   else { 
      if(navigator.appName == "Netscape") 
         alert ("Presione Crtl+D para agregar este sitio en sus Bookmarks"); 
   } 
}

function impripag(destino) {
	parent.frames['pagimp'].location.href = destino
}

function impripag2(num) {
	parent.frames[num].focus();parent.window.print();
}