// ------------------------------
//  Browser Class
// ------------------------------
function Browser() {
	this.type = ""
	var agt = navigator.userAgent;
	if (document.layers) 	this.type="n4";
	else if (agt.indexOf("Netscape")>-1) this.type="nn";
	else this.type="ie";
	this.os = "win";
	if (agt.indexOf("Mac")>-1) this.os = "mac";
	return this;
}