function BrowserCheck(){
var b = navigator.appName;if(b=="Netscape"){this.b="ns"}
else if(b=="Microsoft Internet Explorer"){this.b="ie"}else{this.b=b}
this.v=parseInt(navigator.appVersion);this.ns=(this.b=="ns"&&this.v>=4);
this.ns4=(this.b=="ns"&&this.v==4);this.ns6=(this.b=="ns"&&this.v>4);
this.ie=(this.b=="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}
this.min=(this.ns||this.ie);}var is=new BrowserCheck();