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.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 = (navigator.userAgent.indexOf('MSIE 4')>0);
	this.IE5 = (navigator.userAgent.indexOf('MSIE 5')>0);
	if (this.IE5 || this.NS5) this.VER5 = true;
	if (this.IE4 || this.NS4) this.VER4 = true;
	this.OLD = (! this.VER5 && ! this.VER4) ? true : false;
	this.min = (this.NS||this.IE);
}