var g_strFranchiseSiteUrl = 'http://www.century21.com';
var g_strPoweredByUrl = 'http://www.century21.com';

   //---------------------------------------------------------------------||
   // FUNCTION:    QueryString                                            ||
   // PARAMETERS:  Key to read                                            ||
   // RETURNS:     value of key                                           ||
   // PURPOSE:     Read data passed in via GET mode                       ||
   //---------------------------------------------------------------------||
   QueryString.keys = new Array();
   QueryString.values = new Array();
   function QueryString(key) {
      var value = null;
      for (var i=0;i<QueryString.keys.length;i++) {
         if (QueryString.keys[i]==key) {
            value = unescape(QueryString.values[i]);
            break;
         }
      }
      return value;
   }

   //---------------------------------------------------------------------||
   // FUNCTION:    QueryString_Parse                                      ||
   // PARAMETERS:  (URL string)                                           ||
   // RETURNS:     null                                                   ||
   // PURPOSE:     Parses query string data, must be called before Q.S.   ||
   //---------------------------------------------------------------------||
   function QueryString_Parse() {
      var query = window.location.search.substring(1);
      var pairs = query.split("&");
      for (var i=0;i<pairs.length;i++) {
         var pos = pairs[i].indexOf('=');
         if (pos >= 0) {
            var argname = pairs[i].substring(0,pos);
            var value = pairs[i].substring(pos+1);
            QueryString.keys[QueryString.keys.length] = argname;
            QueryString.values[QueryString.values.length] = value;
         }
      }
   }
   //---------------------------------------------------------------------||
   // FUNCTION:    getCookieVal                                           ||
   // PARAMETERS:  offset                                                 ||
   // RETURNS:     URL unescaped Cookie Value                             ||
   // PURPOSE:     Get a specific value from a cookie                     ||
   //---------------------------------------------------------------------||
   function getCookieVal (offset) {
      var endstr = document.cookie.indexOf (";", offset);

      if ( endstr == -1 )
         endstr = document.cookie.length;
      return(unescape(document.cookie.substring(offset, endstr)));
   }

   //---------------------------------------------------------------------||
   // FUNCTION:    GetCookie                                              ||
   // PARAMETERS:  Name                                                   ||
   // RETURNS:     Value in Cookie                                        ||
   // PURPOSE:     Retrieves cookie from users browser                    ||
   //---------------------------------------------------------------------||
   function GetCookie (name) {
      var arg = name + "=";
      var alen = arg.length;
      var clen = document.cookie.length;
      var i = 0;

      while ( i < clen ) {
         var j = i + alen;
         if ( document.cookie.substring(i, j) == arg ) return(getCookieVal (j));
         i = document.cookie.indexOf(" ", i) + 1;
         if ( i == 0 ) break;
      }

      return(null);
   }
   //---------------------------------------------------------------------||
   // FUNCTION:    SetCookie                                              ||
   // PARAMETERS:  name, value, expiration date, path, domain, security   ||
   // RETURNS:     Null                                                   ||
   // PURPOSE:     Stores a cookie in the users browser                   ||
   //---------------------------------------------------------------------||
   function SetCookie (name,value,expires,path,domain,secure) {
      document.cookie = name + "=" + escape (value) +
                        ((expires) ? "; expires=" + expires.toGMTString() : "") +
                        ((path) ? "; path=" + path : "") +
                        ((domain) ? "; domain=" + domain : "") +
                        ((secure) ? "; secure" : "");
   }



   //---------------------------------------------------------------------||
   // FUNCTION:    UrlDecode                                              ||
   // PARAMETERS:  String to url decode                                   ||
   // RETURNS:     Decoded string                                         ||
   // PURPOSE:     Returns plain text string urldecoded.                  ||
   //---------------------------------------------------------------------||
   function UrlDecode(strEncodeString)
   {
      var lsRegExp = /\+/g;
   }


   function ffLoadZone( iZoneNumber ) {
      //TO-DO: load zone
      //Call to national site to get zone list, with jump off to other IDX site.
      document.location.href="http://www.century21.com";
   }

   function ffGetMultiZoneRoutingLinks()
   {
      QueryString_Parse();
      var iNumZones = QueryString('c21numzones');
      var iThisZone = QueryString('c21thiszone');
      if( iNumZones != null ) { 
         //We have a new request, thank you.
         SetCookie("c21numzones", iNumZones, null, null, null, false);
      } else {
         iNumZones = GetCookie("c21numzones");
      }
      if ( iNumZones != null && iNumZones != '' ) {
         var iParsedZones = parseInt(iNumZones);
         for (var i=0;i<iParsedZones;i++) {
            var strName = 'Zone ' + (i+1);
            var strUrl = 'javascript:ffLoadZone('+i+');';
            var strClass = '';
            if( iThisZone == i ) strClass = ' class="c21zoneactive"';
            var strHtml = '<div class="c21idxzonecontainer">' +
                          '<li class="c21zoneactive"> <a href="'+strUrl+'"> ' + strName + '</a></li>' +
                          '</div>';
            return strHtml;
         }
      }
      return '';
   }

function ffsBuildParameterObject( pArguments )
{
   var aParameters = new Array();
   if (pArguments.length%2==0){
      for (var i=0; i < pArguments.length; i+=2) {
         aParameters[pArguments[i]] = pArguments[i+1];
      }
   }
   return aParameters;
}

function ffSetInnerHtml( aParameters, strHtml )
{
   try {
      if( 'divid' in aParameters ) {
         var pDiv = document.getElementById( aParameters['divid'] );
         if( pDiv ) {
            pDiv.innerHTML = strHtml;
         }
      }
   } catch( e ){
      alert( e.message );
   }
}

function validateRequiredParameters( aParameters, aRequired, strApiFunctionName )
{
   var bOk = true;
   var aMissing = new Array();
   for( var i=0; i < aRequired.length; i++ ) {
      if( aRequired[i] in aParameters) {
      } else {
         aMissing.push( aRequired[i] );
         bOk = false;
      }
   }
   if( !bOk ) {
      var bAlertWritten = false;
      var strError = strApiFunctionName + ' requires the following missing parameter(s): ';
      for( var key in aMissing ) {
         strError += '\n   - ' + aMissing[key];
      }
      if( 'divid' in aParameters ) {
         var pDiv = document.getElementById( aParameters['divid'] );
         if( pDiv ) {
            pDiv.innerHTML = '<pre>' + strError + '</pre>';
            bAlertWritten = true;
         }
      }
      if( !bAlertWritten ) {
         alert( strError );
      }
   }

   return bOk;
}

function FranchiseFrameMultiZoneRouting()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid'], 'FranchiseFrameMultiZoneRouting' ) ) {
      return;
   }
   ffSetInnerHtml( aParameters, ffGetMultiZoneRoutingLinks() );
}

function FranchiseFrameNeighborhoodInfo()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'zip'], 'FranchiseFrameNeighborhoodInfo' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/neighborhoodinfo.jsp?zip='+aParameters['zip']+'" width="984" height="650" frameborder="0"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameRecentHomeSales()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'zip'], 'FranchiseFrameRecentHomeSales' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/recentlysoldhomes.jsp?zip='+aParameters['zip']+'" width="984" height="650" frameborder="0"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameSchools()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'zip'], 'FranchiseFrameSchools' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/schools.jsp?zip='+aParameters['zip']+'" width="984" height="650" frameborder="0"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameMortgageInfo()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid'], 'FranchiseFrameMortgageInfo' ) ) {
      return;
   }
   //No mortgage information
   ffSetInnerHtml( aParameters, '' );
}

function FranchiseFrameMortgageCalc()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid'], 'FranchiseFrameMortgageCalc' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/mortgagecalc.jsp" width="984" height="650" frameborder="0"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameOfficeSearch()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid'], 'FranchiseFrameOfficeSearch' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/officesearch.jsp" width="230" height="500" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameAgentSearch()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid'], 'FranchiseFrameAgentSearch' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/agentsearch.jsp" width="230" height="350" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameOfficeProfile()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'officekey'], 'FranchiseFrameOfficeProfile' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/officeprofile.jsp?officekey='+aParameters['officekey']+'" width="984" height="800" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameAgentProfile()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'sakey'], 'FranchiseFrameAgentProfile' ) ) {
      return;
   }
   var strHtml = '<iframe src="'+g_strPoweredByUrl+'/enidxstatic/agentprofile.jsp?sakey='+aParameters['sakey']+'" width="984" height="800" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameAgentCallingCard()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'sakey'], 'FranchiseFrameAgentCallingCard' ) ) {
      return;
   }
   var strUrl = g_strPoweredByUrl+'/enidxstatic/agentcallingcard.jsp?sakey='+aParameters['sakey'];
   if( aParameters['contactformurl'] ) strUrl += '&contactformurl=' + escape( aParameters['contactformurl'] );
   var strHtml = '<iframe src="'+strUrl+'" width="230" height="130" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );

}

function FranchiseFrameOfficeCallingCard()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'officekey'], 'FranchiseFrameOfficeCallingCard' ) ) {
      return;
   }
   var strUrl = g_strPoweredByUrl+'/enidxstatic/officecallingcard.jsp?officekey='+aParameters['officekey'];
   if( aParameters['contactformurl'] ) strUrl += '&contactformurl=' + escape( aParameters['contactformurl'] );
   var strHtml = '<iframe src="'+strUrl+'" width="230" height="130" frameborder="0" scrolling="no"></iframe>'
   ffSetInnerHtml( aParameters, strHtml );
}

function FranchiseFrameSlideShowLink()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'mlsnum', 'price', 'beds', 'city', 'state', 'zip'], 'FranchiseFrameSlideShowLink' ) ) {
      return;
   }
   //C21: No Property advanced feature link(s)
   ffSetInnerHtml( aParameters, '');
}

function FranchiseFrameVirtualTourLink()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'mlsnum', 'price', 'beds', 'city', 'state', 'zip'], 'FranchiseFrameVirtualTourLink' ) ) {
      return;
   }
   //C21: No Property advanced feature link(s)
   ffSetInnerHtml( aParameters, '');
}

function FranchiseFrameTalkingGalleryLink()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'mlsnum', 'price', 'beds', 'city', 'state', 'zip'], 'FranchiseFrameTalkingGalleryLink' ) ) {
      return;
   }
   //C21 does not provide printable brocures
   ffSetInnerHtml( aParameters, '');
}

function FranchiseFramePrintableBrochureLink()
{
   var aParameters = ffsBuildParameterObject(arguments);
   if( !validateRequiredParameters( aParameters, ['divid', 'mlsnum', 'price', 'beds', 'city', 'state', 'zip'], 'FranchiseFramePrintableBrochureLink' ) ) {
      return;
   }
   //C21 does not provide printable brocures
   ffSetInnerHtml( aParameters, '');
}