/* Javascript functions */

var isNS4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 4);
var isNS6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 5);
var isIE4 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4);
var isIE5 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 5);

// var isNS4 = (document.layers) ? true : false;
// var isIE4 = (document.all && !document.getElementById) ? true : false;
// var isIE5 = (document.all && document.getElementById) ? true : false;
// var isNS6 = (!document.all && document.getElementById) ? true : false;

function hide_ads () {
  document.getElementById('ad_panel').style.visibility = 'hidden';
  document.getElementById('ad_panel').style.hidden = true;
  document.getElementById('ad_panel').load ('',0);
  window.resizeBy (0,0);
}