function bc(cmd){if(cmd=="getVer"){var isIE=navigator.appVersion.indexOf("MSIE");var isOp=navigator.userAgent.indexOf("Opera");var ver;if(isIE>0){ver=navigator.appVersion.substr((isIE+5),1)}else{ver=navigator.appVersion.substr(0,1)}if(isOp>0){ver=4}return(ver)}if(cmd=="getBrowserName"){var isIE=navigator.appVersion.indexOf("MSIE");var browsername;if(isIE>0){browsername="MSIE"}else{browsername="NS"}return(browsername)}if(cmd=="getPlatform"){var isMac=navigator.platform.indexOf("Mac");var platform;if(isMac>0){platform="MAC"}else{platform="WIN"}return(platform)}};