var us=0.9071
var uk=0.5695


  function haud(s) {
    aud=Math.round(s);
    document.write ("<B>AUD$"+aud+"</B>")
  }
  function hus(s) {
    uss=Math.round(us*s);
    document.write ("<B>US$"+uss+"</B>")
  }
  function huk(s) {
     uks = Math.round(uk*s);
     document.write ("<B>UK&pound;"+uks+"</B>")
  }
   function rates(){
     document.write ("<small>Current exchange rate : AUD$1 = US$"+us+" = UK&pound;"+uk+"</small>")
}