var agent = navigator.userAgent.toLowerCase();
var version = navigator.appVersion;

netscape = ((agent.indexOf('mozilla')!=-1) && (agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1) && (agent.indexOf('opera')==-1) && (agent.indexOf('webtv')==-1));

mac = (navigator.appVersion.indexOf('Mac') != -1);

if ((netscape && version < 4)||(agent.indexOf("msie") != -1 && version < 4.01))
	var upgradeWindow = window.open("http://hamiltoncivicchoir.org.nz/upgradebrowser.htm",'UpgradeBrowser','width=640,height=480,directories=no,linkLocation=yes,menubar=yes,scrollbars=yes,status=yes,toolbar=no,resizable=yes');

wwwDirectory = 'http://hamiltoncivicchoir.org.nz';
cgiDirectory = 'http://hamiltoncivicchoir.org.nz/cgi-bin/hamiltoncivicchoir';

if (document.images) {
  var index_off = new Image();
  index_off.src = wwwDirectory + "/images/index_off.gif";
  var index_on = new Image();
  index_on.src = wwwDirectory + "/images/index_on.gif";
  var aboutus_off = new Image();
  aboutus_off.src = wwwDirectory + "/images/aboutus_off.gif";
  var aboutus_on = new Image();
  aboutus_on.src = wwwDirectory + "/images/aboutus_on.gif";
  var futureevents_off = new Image();
  futureevents_off.src = wwwDirectory + "/images/futureevents_off.gif";
  var futureevents_on = new Image();
  futureevents_on.src = wwwDirectory + "/images/futureevents_on.gif";
  var library_off = new Image();
  library_off.src = wwwDirectory + "/images/library_off.gif";
  var library_on = new Image();
  library_on.src = wwwDirectory + "/images/library_on.gif";
  var reviews_off = new Image();
  reviews_off.src = wwwDirectory + "/images/reviews_off.gif";
  var reviews_on = new Image();
  reviews_on.src = wwwDirectory + "/images/reviews_on.gif";
  var gallery_off = new Image();
  gallery_off.src = wwwDirectory + "/images/gallery_off.gif";
  var gallery_on = new Image();
  gallery_on.src = wwwDirectory + "/images/gallery_on.gif";
  var foundation_off = new Image();
  foundation_off.src = wwwDirectory + "/images/foundation_off.gif";
  var foundation_on = new Image();
  foundation_on.src = wwwDirectory + "/images/foundation_on.gif";
  var artistaward_off = new Image();
  artistaward_off.src = wwwDirectory + "/images/artistaward_off.gif";
  var artistaward_on = new Image();
  artistaward_on.src = wwwDirectory + "/images/artistaward_on.gif";  
  var contacts_off = new Image();
  contacts_off.src = wwwDirectory + "/images/contacts_off.gif";
  var contacts_on = new Image();
  contacts_on.src = wwwDirectory + "/images/contacts_on.gif";
  var links_off = new Image();
  links_off.src = wwwDirectory + "/images/links_off.gif";
  var links_on = new Image();
  links_on.src = wwwDirectory + "/images/links_on.gif";

}

function act(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "_on.src");
}

function inact(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "_off.src");
}


function email(name,details) {
	var domain = 'hamiltoncivicchoir.org.nz';
	var address = name + "&#64;" + domain;
	if (!details) {
		details = address;
	}
	var email = '<a class="email" href="' + 'mail' + 'to:' + address + '">' + details + '</a>';
	return email;
}