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.ns6 = (this.b=="ns" && navigator.userAgent.indexOf('Netscape6')>0);
	this.ns7 = (this.b=="ns" && navigator.userAgent.indexOf('Netscape/7')>0);
	this.ie = (this.b=="ie" && this.v>=4 && !navigator.userAgent.indexOf('Mac'));
	this.ie4 = (navigator.userAgent.indexOf('MSIE 4')>0 && !navigator.userAgent.indexOf('Mac'));
	this.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0);
	if (this.ie5) this.v = 5;
	this.ie6 = (navigator.userAgent.indexOf('MSIE 6')>0);	
	if (this.ie6) this.v = 6;
	this.min = (this.ns||this.ie);
	this.ie45Mac = (navigator.userAgent.indexOf('MSIE 4')>0 && navigator.userAgent.indexOf('Mac')>0);
	this.ie50Mac = (navigator.userAgent.indexOf('MSIE 5')>0 && navigator.userAgent.indexOf('Mac')>0);
}

// create the "is" object
is = new BrowserCheck();

function platform() {
	this.v = parseFloat(navigator.appVersion);
	this.uA = navigator.userAgent;
	this.mac = false;
	this.pc = false;

	navigator.appVersion.indexOf('Mac') != -1?(this.mac = true):(this.pc = true);
}

// create the "plat" object
plat = new platform();