var lta = new Array(1);
lta['NONE'] = new Array(1);


lta['NONE']['NONE'] = 1;






var lName = new Array(1);
var lId = new Array(1);
lName[0]='';
lId[0]='NONE';


function changeListFromObjType(listType, objType, allowNoListType) {
   var options = objType.options;
   for(var i=0; i < options.length; ++i) {
     if(options[i].selected) {
       var listIx = options[i].value;
       if(listIx=='')
         listIx = 'NONE';
       changeList(listIx,listType,objType,allowNoListType);
       return;
     }
   }
   changeList('NONE',listType,objType,allowNoListType);
}

function changeList(listIx, listType, objType, allowNoListType) {
   var listTypeAllowed = lta[listIx];

   var numAllowed = 0;
   for(var i=0; i < lId.length; ++i) {
     if(listTypeAllowed[lId[i]]==1) {
       if(allowNoListType || lId[i]!='NONE')
         ++numAllowed;
     }
   }

   var options = listType.options;
   var curSelected = -1;
   for(var i=0; i < options.length; ++i) {
     if(options[i].selected) {
       curSelected = options[i].value;
       break;
     }
   }
   listType.options.length = numAllowed;
   options = listType.options;

   var curOptionIx = 0;
   for(var i=0; i < lId.length; ++i) {
     if(listTypeAllowed[lId[i]]==1 && (allowNoListType || lId[i]!='NONE')) {
       var label = lName[i];
       var newOption = new Option(label,lId[i]);
       if(curSelected==newOption.value)
         newOption.selected = true;
       listType.options[curOptionIx] = newOption;
       ++curOptionIx;
     }
   }
}