function browserCheck() {
	this.ver = navigator.appVersion;
	this.name = navigator.appName;
	this.dom = document.getElementById ? true : false;
	this.ie4 = (document.all && !this.dom) ? true : false;
	this.ie5 = (this.name == 'Microsoft Internet Explorer' && this.dom);
	this.nn4 = (document.layers && !this.dom && this.name == 'Netscape') ? true : false;
	this.nn5 = (this.dom && parseInt(this.ver) >= 5 && this.name == 'Netscape');
	this.ie = (this.ie4 || this.ie5);
	this.nn = (this.nn4 || this.nn5);
	this.min = (this.ie || this.nn);
	return this;
}