var a1Array = new Array("(' Selecteer land ','',true,true)","('Algeria')","('Angola')","('Benin')","('Botswana')","('Burkina')","('Burundi')","('Cameroon')","('Cape Verde')","('Central African Republic')","('Chad')","('Comoros')","('Congo')","('Congo (Dem. Rep.)')","('Djibouti')","('Egypt')","('Equatorial Guinea')","('Eritrea')","('Ethiopia')","('Gabon')","('Gambia')","('Ghana')","('Guinea')","('Guinea-Bissau')","('Ivory Coast')","('Kenya')","('Lesotho')","('Liberia')","('Libya')","('Madagascar')","('Malawi')","('Mali')","('Mauritania')","('Mauritius')","('Morocco')","('Mozambique')","('Namibia')","('Niger')","('Nigeria')","('Rwanda')","('Sao Tome And Principe')","('Senegal')","('Seychelles')","('Sierra Leone')","('Somalia')","('South Africa')","('Sudan')","('Swaziland')","('Tanzania')","('Togo')","('Tunisia')","('Uganda')","('Zambia')","('Zimbabwe')");
  var a2Array = new Array("(' Selecteer land ','',true,true)","('Afghanistan')","('Bahrain')","('Bangladesh')","('Bhutan')","('Brunei')","('Burma (Myanmar)')","('Cambodia')","('China')","('East Timor')","('India')","('Indonesia')","('Iran')","('Iraq')","('Israel')","('Japan')","('Jordan')","('Kazakhstan')","('Korea (North)')","('Korea (South)')","('Kuwait')","('Kyrgyzstan')","('Laos')","('Lebanon')","('Malaysia')","('Maldives')","('Mongolia')","('Nepal')","('Oman')","('Pakistan')","('Philippines')","('Qatar')","('Russian Federation')","('Saudi Arabia')","('Singapore')","('Sri Lanka')","('Syria')","('Taiwan')","('Tajikistan')","('Thailand')","('Turkey')","('Turkmenistan')","('United Arab Emirates')","('Uzbekistan')","('Vietnam')","('Yemen')");
  var a3Array = new Array("(' Selecteer land ','',true,true)","('Albania')","('Andorra')","('Armenia')","('Austria')","('Azerbaijan')","('Belarus')","('Belgium')","('Bosnia And Herzegovina')","('Bulgaria')","('Croatia')","('Cyprus')","('Czech Republic')","('Denmark')","('Estonia')","('Finland')","('France')","('Georgia')","('Germany')","('Greece')","('Hungary')","('Iceland')","('Ireland')","('Italy')","('Latvia')","('Liechtenstein')","('Lithuania')","('Luxembourg')","('Macedonia')","('Malta')","('Moldova')","('Monaco')","('Netherlands')","('Norway')","('Poland')","('Portugal')","('Romania')","('San Marino')","('Serbia And')","('Montenegro (Yugoslavia)')","('Slovakia')","('Slovenia')","('Spain')","('Sweden')","('Switzerland')","('Ukraine')","('United Kingdom')","('Vatican City')");
  var a4Array = new Array("(' Selecteer land ','',true,true)","('Antigua And Barbuda')","('Bahamas')","('Barbados')","('Belize')","('Canada')","('Costa Rica')","('Cuba')","('Dominica')","('Dominican Rep.')","('El Salvador')","('Grenada')","('Guatemala')","('Haiti')","('Honduras')","('Jamaica')","('Mexico')","('Nicaragua')","('Panama')","('St. Kitts and Nevis')","('St. Lucia')","('St. Vincent and The Grenadines')","('Trinidad and Tobago')","('United States')");
  var a5Array = new Array("(' Selecteer land ','',true,true)","('Fiji')","('Kiribati')","('Marshall Islands')","('Micronesia')","('Nauru')","('New Zealand')","('Palau')","('Papua New Guinea')","('Samoa')","('Solomon Islands')","('Tonga')","('Tuvalu')","('Vanuatu')","('South America')","('Argentina')","('Bolivia')","('Brazil')","('Chile')","('Colombia')","('Ecuador')","('Guyana')","('Paraguay')","('Peru')","('Suriname')","('Uruguay')","('Venezuela')");
  var a6Array = new Array("(' Selecteer land ','',true,true)","('Argentina')","('Bolivia')","('Brazil')","('Chile')","('Colombia')","('Ecuador')","('Guyana')","('Paraguay')","('Peru')","('Suriname')","('Uruguay')","('Venezuela')");
  function populateCountry(inForm,selected) {
      var selectedArray = eval(selected + "Array");
      while (selectedArray.length < inForm.country.options.length) {
          inForm.country.options[(inForm.country.options.length - 1)] = null;
      }
      for (var i=0; i < selectedArray.length; i++) {
          eval("inForm.country.options[i]=" + "new Option" + selectedArray[i]);
      }
      if (inForm.continent.options[0].value == 'country') {
          inForm.continent.options[0]= null;
          if ( navigator.appName == 'Netscape') {
              if (parseInt(navigator.appVersion) < 4) {
                  window.history.go(0);
              } else {
                  if (navigator.platform == 'Win32' || navigator.platform == 'Win16') {
                      window.history.go(0);
                  }
              }
          }
     }
  }

    function ReloadIndex() {        // function used by admin_...php when user session has expired, then refresh index.php
        window.location.href = unescape(window.location.pathname);
        setTimeout(window.location.href, 2000);
    }

    function CheckFormSearchIndex(form) {
        var digits="0123456789"
        var temp
        missinginfo = "";
        if (form.postalcode && form.postalcode.value != "") {
            if (form.country && form.country.value == "0") {
                missinginfo += "\n     -  Land";
            }
        }
        if (missinginfo != "") {
            missinginfo = "Gelieve de volgende velden in te vullen :\n" + missinginfo;
            alert(missinginfo);
            return;
        }
    }


    function checkFields(form) {
        var digits="0123456789"
        var temp
        missinginfo = "";
        if (form.s_h) {
            var radio_choice = false;
            for (counter = 0; counter < form.s_h.length; counter++) {
                if (form.s_h[counter].checked)
                radio_choice = true;
            }
            if (radio_choice == false) {
                missinginfo += "\n     -  Te Koop/Te Huur";
            }
        }
        if (form.place_ad_country && form.place_ad_country.value == "") {
            missinginfo += "\n     -  Land";
        }
        if (form.city && form.city.value.replace(/^\s+|\s+$/g, '') == "") {     // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Kies uw stad";
        }
        if (form.price) {
            for (var i=0;i<form.price.value.length;i++){
                temp=form.price.value.substring(i,i+1)
            }
            if (digits.indexOf(temp)==-1 && form.price.value != ""){
                missinginfo += "\n     -  Prijs incorrect [0-9]";
            }
        }
        if(form.type && (form.type.value == "1" || form.type.value == "")) {
            missinginfo += "\n     -  Type";
        }
        if(form.street && form.street.value.replace(/^\s+|\s+$/g, '') == "") {  // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Straat";
        }
        if(form.info && form.info.value.replace(/^\s+|\s+$/g, '') == "") {      // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Info";
        }
        if (form.agree) {
            var agree_choice = false;
            for (counter = 0; counter < form.agree.length; counter++) {
                if (form.agree[0].checked)
                agree_choice = true;
            }
            if (agree_choice == false) {
                missinginfo += "\n     -  U moet akkoord gaan met de voorwaarden";
            }
        }
        if (missinginfo != "") {
            missinginfo = "Gelieve de volgende velden in te vullen :\n" + missinginfo;
            alert(missinginfo);
        }
    }

    function CheckUserForm(form) {
        var digits="0123456789"
        var temp
        missinginfo = "";
        if (form.name && form.name.value.replace(/^\s+|\s+$/g, '') == "") {     // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Naam";
        }
        if (form.firstname && form.firstname.value.replace(/^\s+|\s+$/g, '') == "") {   // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                        // the script returns that field is empty
            missinginfo += "\n     -  Voornaam";
        }
        if(form.street && form.street.value.replace(/^\s+|\s+$/g, '') == "") {  // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Straat";
        }
        if(form.postalcode && form.postalcode.value.replace(/^\s+|\s+$/g, '') == "") {  // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                        // the script returns that field is empty
            missinginfo += "\n     -  Postcode";
        }
        if (form.city && form.city.value.replace(/^\s+|\s+$/g, '') == "") {     // replace = trim spaces (when user wants to submit a scace ' ' then
                                                                                // the script returns that field is empty
            missinginfo += "\n     -  Kies uw stad";
        }
        if (form.country && form.country.value == "") {
            missinginfo += "\n     -  Land";
        }
        if (form.tel  && form.tel.value != "") {
            for (var i=0;i<form.tel.value.length;i++){
                temp=form.tel.value.substring(i,i+1);
            }

            if (digits.indexOf(temp)==-1 && form.tel.value != ""){
                missinginfo += "\n     -  Tel/gsm : only numbers [0-9]";
            } else if (form.tel.value.length < 6 || form.tel.value.length > 13) {
                missinginfo += "\n     -  Tel/gsm : min 6, max 13";
            }
        }
        if (form.fax  && form.fax.value != "") {
            for (var i=0;i<form.fax.value.length;i++){
                temp=form.fax.value.substring(i,i+1);
            }
            if (digits.indexOf(temp)==-1 && form.fax.value != ""){
                missinginfo += "\n     -  Fax : only numbers [0-9]";
            } else if (form.fax.value.length < 6 || form.fax.value.length > 13) {
                missinginfo += "\n     -  Fax : min 6, max 13";
            }
        }
        if (form.email && form.email.value == "") {
            missinginfo += "\n     -  Email";
        } else if (form.email && form.email.value != "") {
            emailCheck (form.email.value);
        }

        if (form.password1 && form.password2) {
            if (form.password1.value != form.password2.value || form.password1.value == "" || form.password2.value == "") {
                missinginfo += "\n     -  password1 != password2";
            } else if (form.password1.value.length < 8 || form.password1.value.length > 12) {
                missinginfo += "\n     -  Paswoord incorrect (min 8, max 12 chars)";
            }
        }
        if (form.user_lang && form.user_lang.value == "") {
            missinginfo += "\n     -  Taal";
        }
        if (form.agree) {
            var agree_choice = false;
            for (counter = 0; counter < form.agree.length; counter++) {
                if (form.agree[0].checked)
                agree_choice = true;
            }
            if (agree_choice == false) {
                missinginfo += "\n     -  U moet akkoord gaan met de voorwaarden";
            }
        }
        if (missinginfo != "") {
            missinginfo = "Gelieve de volgende velden in te vullen :\n" + missinginfo;
            alert(missinginfo);
        }
    }

    function emailCheck (emailStr) {
        var emailPat=/^(.+)@(.+)$/
        var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
        var validChars="\[^\\s" + specialChars + "\]"
        var quotedUser="(\"[^\"]*\")"
        var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,4})\]$/
        var atom=validChars + '+'
        var word="(" + atom + "|" + quotedUser + ")"
        var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
        var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

        var matchArray=emailStr.match(emailPat)
        if (matchArray==null) {
        	missinginfo = "\nEmail \n\nERROR : \nEmail address seems incorrect (check @ and .'s)";
        	return missinginfo;
        }
        var user=matchArray[1]
        var domain=matchArray[2]

        if (user.match(userPat)==null) {
        	missinginfo = "\nEmail \n\nERROR : \nThe username doesn't seem to be valid.";
            return missinginfo;
        }

        var IPArray=domain.match(ipDomainPat)
        if (IPArray!=null) {
        	  for (var i=1;i<=4;i++) {
        	    if (IPArray[i]>255) {
        	        missinginfo = "\nEmail \n\nERROR : \nDestination IP address is invalid!";
        		    return missinginfo;
        	    }
            }
            return true
        }

        var domainArray=domain.match(domainPat)
        if (domainArray==null) {
            missinginfo = "\nEmail \n\nERROR : \nThe domain name doesn't seem to be valid.";
            return missinginfo;
        }

        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>4) {
            missinginfo = "\nEmail \n\nERROR : \nThe address must end in a four-letter domain, or two letter country.";
            return missinginfo;
        }

        if (len<2) {
            missinginfo = "\nEmail \n\nERROR : \nThis address is missing a hostname!";
            return missinginfo;
        }

        return true;
    }