function browsCreate() {
	var br = navigator.appName
	if (br=="Netscape") this.br = "ns"
	else if (br=="Microsoft Internet Explorer") this.br = "ie"
	else this.br = br
	this.v = parseInt(navigator.appVersion)
	this.ns = (this.br=="ns" && this.v>=4)
	this.ns4 = (this.br=="ns" && this.v==4)
	this.ns5 = (this.br=="ns" && this.v==5)
	this.ie = (this.br=="ie" && this.v>=4)
	this.ie4 = (navigator.userAgent.indexOf('MSIE 4')>0)
	this.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0)
	if (this.ie5) this.v = 5
}
bs = new browsCreate()