var bName = navigator.appName; 
var bVer = parseInt(navigator.appVersion); 
var IsIEPlus = false; 
var IsNSPlus = false; 
var Others = false; 
if ((bName == "Netscape") && (bVer >= 3)) { 
    IsNSPlus = true; 
} else if ((bName == "Microsoft Internet Explorer") && (bVer >=4)) { 
    IsIEPlus = true; 
} else Others = true; 

function showDate() { 
var modify_day = new Date(document.lastModified); 

var theMonth = modify_day.getMonth()+1; 
var theDate = modify_day.getDate(); 

var theYear = modify_day.getYear(); 

if (!IsIEPlus) { 
if (theYear <= 100) { 
theYear +=1900; 
} 
} 

document.write('Last updated: 30 June 2007 ' ); 

document.close; 
}