function setLanguage(language) {
  document.trascau.language.value = language;
  document.trascau.submit();
}

var serialize = function(txt) {
  switch(typeof(txt)) {   
    case 'string':
      return 's:'+txt.length+':"'+txt+'";';
    case 'number':
      if(txt>=0 && String(txt).indexOf('.') == -1 && txt < 65536) return 'i:'+txt+';';
      return 'd:'+txt+';';
    case 'boolean':
      return 'b:'+( (txt)?'1':'0' )+';';
    case 'object':
      var i=0,k,ret='';
      for(k in txt) {
        if(!isNaN(k)) k = Number(k);
        ret += serialize(k)+serialize(txt[k]);
        i++;
      }
      return 'a:'+i+':{'+ret+'}';
    default:
      return 'N;';
  }
}

var urlencode = function(sir){
  var SAFECHARS = "0123456789" // Numeric
                + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" // Alphabetic
                + "-_.!~*'()"; // RFC2396 Mark characters
  var HEX = "0123456789ABCDEF";

  var plaintext = sir;
  var encoded = "";   
  for (var i = 0; i < plaintext.length; i++ ) {
    var ch = plaintext.charAt(i);
    if (ch == " ") {
      encoded += "+"; // x-www-urlencoded, rather than %20
    } else if (SAFECHARS.indexOf(ch) != -1) {
      encoded += ch;
    } else {
      var charCode = ch.charCodeAt(0);
      if (charCode > 255) {
        encoded += "+";
      } else {
        encoded += "%";
        encoded += HEX.charAt((charCode >> 4) & 0xF);
        encoded += HEX.charAt(charCode & 0xF);
      }
    }  
  } // for
  return encoded;
}

function setCommand(command, subcommand, href) {
  document.trascau.command.value = command;
  document.trascau.subcommand.value = urlencode(serialize(subcommand));
  document.trascau.command_href.value = href;
  document.trascau.submit();
}

function emailCheck(emailStr) {
  var emailPat=/^(.+)@(.+)$/
  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
  var validChars="\[^\\s" + specialChars + "\]";
  var quotedUser="(\"[^\"]*\")";
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
  var atom=validChars + '+';
  var word="(" + atom + "|" + quotedUser + ")";
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
  var matchArray=emailStr.match(emailPat)
  if (matchArray==null) {
    return false;
  }
  var user=matchArray[1];
  var domain=matchArray[2];

  if (user.match(userPat)==null) {
    return false;
  }

  var IPArray=domain.match(ipDomainPat);
  if (IPArray!=null) {
    for (var i=1;i<=4;i++) {
      if (IPArray[i]>255) {
        return false;
      }
    }
    return true;
  }
  var domainArray=domain.match(domainPat);
  if (domainArray==null) {
    return false;
  }

  var atomPat=new RegExp(atom,"g");
  var domArr=domain.match(atomPat);
  var len=domArr.length;
  if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
    return false;
  }

  if (len<2) {
    var errStr="This address is missing a hostname!";
    return false;
  }

  return true;
}

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_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_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 photo_open(link, width, height, photo) {
  var photoWindow = window.open(link,"photo",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+width+',height='+height);
}

function gallery_open(link, name, directory, list) {
  var photoWindow = window.open('galery_view.php?selected_picture='+link+'&gallery_title='+name+'&directory='+directory+'&picture_list='+list,'','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1');
}

function html_open(page, reference, language) {
  var htmlWindow = window.open('html_view.php?page='+page+'&reference='+reference+'&language='+language,'','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1');
}