Browser = function() {
	b = navigator.appName;
	v = navigator.appVersion;
	u = navigator.userAgent;
	if (b == 'Netscape') { this.b = 'ns' } else if ( b == 'Microsoft Internet Explorer') { this.b='ie' } else { this.b = b }
	this.v = parseInt(v)
	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'&&this.v==5)
	this.ie = (this.b=='ie'&&this.v>=4)
	this.ie4 = (u.indexOf('MSIE 4')>0)
	this.ie5 = (u.indexOf('MSIE 5.0')>0)
	this.ie55 = (u.indexOf('MSIE 5.5')>0)
	this.ie6 = (u.indexOf('MSIE 6.0')>0)
	if (this.ie5) this.v = 5
	if (this.ie55) this.v = 5.5
	if (this.ie6) this.v = 6
	this.min = (this.ns||this.ie)
	this.dom = (this.v >= 5)
	this.win = (u.indexOf('Win')>0)
	this.ie_mac = (u.indexOf('Mac')>0 && u.indexOf('MSIE')>0)
	this.safari = (v.indexOf('Safari') > -1)
}; is = new Browser()