function GetOsInfo() { var OsData = navigator.userAgent.toUpperCase(); if( OsData.indexOf("MAC") >= 0 ) { return("M"); } if( OsData.indexOf("WIN") >= 0 ) { return("W"); } return(""); } function GetBrowserInfo() { var BrowserName = navigator.appName.toUpperCase(); if (BrowserName.indexOf("MICROSOFT INTERNET EXPLORER") >= 0) { return("i"); } if( BrowserName.indexOf("NETSCAPE") >= 0) { return("n"); } return(""); } function GetVersionInfo() { var BrowserName = GetBrowserInfo(); var Version = navigator.appVersion; var ReturnValue = ""; if( BrowserName == "i") { point01 = Version.indexOf("MSIE"); work01 = Version.substring(point01); point02 = work01.indexOf(" "); work02 = work01.substring(point02); point03 = work02.indexOf(";"); work03 = work02.substring(0,point03); if(isNaN(parseInt(work03))) { ReturnValue = ""; } else { if( parseInt(work03) < 4 ) { ReturnValue = "" // not support } else { ReturnValue = String(parseInt(work03)); // chenge Integer } } } else { if( BrowserName == "n") { point = Version.indexOf(" "); work = Version.substring(0, point); if(isNaN(parseInt(work))) { ReturnValue = ""; } else { if( parseInt(work) < 4 ) { ReturnValue = ""; // not support } else { ReturnValue = String(parseInt(work)); // chenge Integer } } } } return(ReturnValue); }