function BrowserCheck() {
	var b = navigator.appName
	if (b=="Netscape") this.b = "ns"
	else if (b=="Microsoft Internet Explorer") this.b = "ie"
	else this.b = b
	this.v = parseInt(navigator.appVersion)
	this.ns = (this.b=="ns" && this.v>=4)
	this.ie = (this.b=="ie" && this.v>=4)
	this.version = navigator.appVersion
	this.mac = (this.version.indexOf('Mac')>0)
	this.win32 = (navigator.appVersion.indexOf("Win9") != -1) ||(navigator.appVersion.indexOf("WinNT") != -1) || (navigator.appVersion.indexOf("Windows 9") != -1) || (navigator.appVersion.indexOf("Windows NT") != -1) || (navigator.appVersion.indexOf("Windows") != -1)
}

is = new BrowserCheck()
var mac = is.mac
var win = is.win32
var ns = is.ns
var ie = is.ie


<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Original:  Rod Murgatroyd -->
<!-- Web Site:   http://homepages.paradise.net.nz/~rdmurg/ -->
<!-- Begin
var url = "some_velvet_mornings" + "@" + "yahoo.co.uk"; 

var hdg1 = '<TABLE Border=0 CELLPADDING="2"><TR>';
var hdg2 = '</TR></TABLE>';
var hdg3 = '<TD ALIGN="center">';
var hdg4 = '<A ID="mail" onmouseover="window.status=\' '+
 '- Mail me! -\'; return true" onmouseout="window.status=document.title" HREF="';
	  
function  emailTo(){
	output = hdg4 + "mailto:" + url + '">' + "Stella</A>";
	return output;
}