JScript -> Lua

aliaslist = new VBArray(world.GetAliasList()).toArray();
nums = new Array(100); // Gets list of aliases
var k = 0 ;
for (i=0;i<aliaslist.length;i++) {
   if( world.GetAliasOption(aliaslist[i], "group") == "global") { // if alias is grouped "global"
       nums[k] = world.GetAliasOption(aliaslist[i], "send") ; // and the send field to nums alias
       k++; increases spot that next alias will be placed in, and the max for the random number generator
   }
}
var generator = Math.random()*(k); // selects random number that is in use
generator = Math.ceil(generator)-1; // fixes numbers so they range from 0 - nums.length
text = new String(nums[generator]) ;
var deleteafter = text.indexOf("%") ;
text1 = new String(text.substring(0, deleteafter)) ;
text2 = new String(text.substring(deleteafter+2, text.length)) ;
text = text1+"%1"+text2 // removes the %1 from the Send field, and replaces it with the %1 captured by the alias
world.Send(text); // sends text via random alias

<aliases>
  <alias
   match="ooc *"
   enabled="y"
   send_to="12"
   sequence="100"
  >
  <send>nums = {}  -- aliases in the group 'global'

aliaslist = GetAliasList()
if aliaslist then
  for k, v in ipairs (aliaslist) do 
    if GetAliasOption (v, "group") == "global" then
      table.insert (nums, GetAliasOption (v, "send")) 
    end -- if in global group
  end  -- for
end -- if we have any aliases

n = table.getn (nums)  -- how many we found

if n &gt; 0 then
  text = nums [math.random (1, n)]  -- pick one randomly
  text = string.gsub (text, "%%%%1", "%1")  -- substitute target
  Send (text)
end -- if found one</send>
  </alias>
</aliases>