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.version = navigator.appVersion
this.v = parseInt(this.version)
this.ns =  (this.b=="ns" && this.v>=4)
this.ns4 = (this.b=="ns" && this.v==4)
this.ns5 = (this.b=="ns" && this.v==5)
this.ie =  (this.b=="ie" && this.v>=4)
this.ie4 = (this.version.indexOf('MSIE 4')>0)
this.ie5 = (this.version.indexOf('MSIE 5')>0)
this.ie6 = (this.version.indexOf('MSIE 6')>0)
this.ns6 = (navigator.userAgent.indexOf("Netscape") != -1)
this.moz = (navigator.userAgent.indexOf("Gecko") != -1 && navigator.userAgent.indexOf("Netscape") == -1 )
this.mac = (navigator.platform.indexOf("Mac") != -1)
this.win = (navigator.platform.indexOf("Win") != -1)
this.linux = (navigator.platform.indexOf("Linux") != -1)
//this.min = (this.ns||this.ie)
}
is = new BrowserCheck()

var Opsys
if      (is.mac)   Opsys = "mac"
else if (is.win)   Opsys = "pc"
else if (is.linux) Opsys = "linux"
else               Opsys = "?"

var Browser
if      (is.ns4) Browser = "ns4"
else if (is.ie4) Browser = "ie4"
else if (is.ie5) Browser = "ie5"
else if (is.ie6) Browser = "ie6"
else if (is.moz) Browser = "moz"
else if (is.ns5) Browser = "ns6"
else             Browser = "?"


if (is.ns4)  {	 }
else {
	 document.writeln('<link rel="stylesheet" type="text/css" href="/css/special_stylesheet.css">');
     }