function ThisBrowser()
{
	var agent=navigator.userAgent.toLowerCase();
	this.major=parseInt(navigator.appVersion);
	this.minor=parseFloat(navigator.appVersion);
	this.ns=((agent.indexOf('mozilla')!=-1)&&((agent.indexOf('spoofer')==-1)&&(agent.indexOf('compatible')==-1)));
	this.ns2=(this.ns&&(this.major==3));
	this.ns3=(this.ns&&(this.major==3));
	this.ns4b=(this.ns&&(this.minor<4.04));
	this.ns4=(this.ns&&(this.major>=4));
	this.ie=(agent.indexOf("msie")!=-1);
	this.ie3=(this.ie&&(this.major==2));
	this.ie4=(this.ie&&(this.major>=4));
	this.op3=(agent.indexOf("opera")!=-1);
	this.win=(agent.indexOf("win")!=-1);
	this.mac=(agent.indexOf("mac")!=-1);
	this.unix=(agent.indexOf("x11")!=-1);
	this.js=this.ie4||this.ns4;
	return this;
}
var thisBrowser=ThisBrowser();