Udvikle tool til overblik over kuffert regler?

JScript kode 

 var fc = { SAS:{Bagage:1,Weight:20}, KLM:{Bagage:1,Weight:30} }

HTML kode 

 <script type="text/javascript">
     function FlyCompany( fcValue ) {
         document.getElementById("fcoutput").innerHTML = '';    
         if (fcValue.value == null) { return false; }
         var fc = { SAS:{Bagage:1,Weight:20}, KLM:{Bagage:1,Weight:30} }
         /**/
         output = fc[fcValue.value];
         fcError = '';
         if ( parseInt(document.getElementById("fcBagage").value) > output.Bagage ) {
             fcError = fcError + 'Du må medbringe ' + output.Bagage + ' kuffert(er).<br>' ;
         }
         if ( parseInt(document.getElementById("fcWeight").value) >= output.Weight ) {
             overWaight = (parseInt(document.getElementById("fcWeight").value) - parseInt(output.Weight));
             fcError = fcError + 'Din kuffert vejer ' + overWaight + ' for meget.<br>' ;
         }
         if ( fcError.length <= 0 ) {
             fcError = fcError+'Alt er ok';
         }
         console.log( output.Weight );
         console.log( parseInt(document.getElementById("fcWeight").value) );
         document.getElementById("fcoutput").innerHTML = fcError;    
     }
 
 </script>
 
 <input name="fcBagage" id="fcBagage" type="number" value="1">
 <input name="fcWeight" id="fcWeight" type="number" value="1">
 <select name="fc" id="fc" onchange="FlyCompany(this);">
     <option value="null">Vælg flyselskab</option>
     <option value="SAS">Sas</option>
     <option value="KLM">Klm</option>
 </select>
 <div id="fcoutput"></div>