Sub search for combo

Combo.js

Fancy.Combo.prototype.onSubSearchChange = function(field, value){
  var me = this,
    lis = me.list.select('li'),
    height = 0,
    maxListHeight = me.listRowHeight * me.maxListRows;

  value = value.toLocaleLowerCase();

  F.each(me.data, function(item, i){
    if (new RegExp(value).test(item[me.displayKey].toLocaleLowerCase())){
      lis.item(i).css('display', 'block');
      height += parseInt(lis.item(i).css('height'));
    }
    else{
      lis.item(i).css('display', 'none');
    }
  });

  var listUl = me.list.select('ul').item(0);

  if(height > maxListHeight){
    listUl.css('height', maxListHeight);
  }
  else{
    listUl.css('height', height);
  }
};