var NofTickers = 1;
var Interval = 5000;
var Nr = 0;

var op = window.opera;
var n4    = document.layers;
var ie    = document.all;
var w3c   = document.getElementById;
var dhtml = ( n4 || ie || w3c );

function GetElem(Id) {
  if ( w3c ) {
    return document.getElementById(Id);
  }
  else if ( n4 ) {
    return document.layers[Id];
  }
  else if ( ie ) {
    return document.all[Id];
  }
}

function Ticker(nofTickers) {
  if( nofTickers > 0 ) NofTickers = nofTickers;
  if(ie || w3c || op) {
    for(i = 0; i < NofTickers; i++) {
      l = eval(GetElem(i));
      l.style.display = (i == Nr) ? "inline" : "none";
    }
    Nr++;
    if(Nr == NofTickers) Nr = 0;
    window.setTimeout("Ticker()",Interval);
  }
}