is = new check_browser();function check_browser() {var brows;var agt;this.b = null;this.v = null;brows = navigator.appName;if (brows=="Netscape") {this.b = "ns";} else if (brows=="Microsoft Internet Explorer") {this.b = "ie";} else {this.b = b;};this.version = navigator.appVersion;this.v = parseInt(this.version)*10;this.ns = (this.b=="ns" && this.v>=40);this.ns4 = (this.b=="ns" && this.v>=40 && this.v<50);this.ns40 = (this.b=="ns" && this.v==40);this.ns45 = (this.b=="ns" && this.v==45);this.ns46 = (this.b=="ns" && this.v==45);this.ns47 = (this.b=="ns" && this.v==47);this.ns5 = (this.b=="ns" && this.v>=50);this.ns50 = (this.b=="ns" && this.v==50);this.ie = (this.b=="ie" && this.v>=40);this.ie40 = (navigator.userAgent.indexOf('MSIE 4.0')>0);this.ie45 = (navigator.userAgent.indexOf('MSIE 4.5')>0);this.ie50 = (navigator.userAgent.indexOf('MSIE 5.0')>0);this.ie55 = (navigator.userAgent.indexOf('MSIE 5.5')>0);this.ie60 = (navigator.userAgent.indexOf('MSIE 6.0')>0);this.ie70 = (navigator.userAgent.indexOf('MSIE 7.0')>0),this.ie80=(navigator.userAgent.indexOf('MSIE 8.0')>0);if (this.ie5) {this.v = 5;};if(this.v >= 60) is.ie60=true;this.min = (this.ns||this.ie);agt = navigator.userAgent.toLowerCase();this.mac    = (agt.indexOf("mac")!=-1);this.mac68k = (this.mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1)));this.macppc = (this.mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1)));return;}