var browser=new Browser();function Browser(){var B,C,A;this.isIE=false;this.isNS=false;this.isFF=false;this.version=null;B=navigator.userAgent;C="MSIE";if((A=B.indexOf(C))>=0){this.isIE=true;this.version=parseFloat(B.substr(A+C.length));return ;}C="Netscape6/";if((A=B.indexOf(C))>=0){this.isNS=true;this.version=parseFloat(B.substr(A+C.length));
return ;}C="Firefox/";if((A=B.indexOf(C))>=0){this.isFF=true;this.version=parseFloat(B.substr(A+C.length));return ;}C="Gecko";if((A=B.indexOf(C))>=0){this.isNS=true;this.version=6.1;return ;}}