// Nicolas - 2003-04-24 10:46:42 - V1.0.1 // Reno - 2003-03-13 09:25:45 - V1.0.0 //******************************************************************************* //------------------------------------------------------------------------------- // DETECT.JS //------------------------------------------------------------------------------- //******************************************************************************* /*************** Script functions in this file ************** Filename: detect.js; as of 09/24/2001 FUNCTION: LINE: Fl_DetectFlash() 72 Fl_DetectFlashVb() 61 ************ (end Script functions in this file) ***********/ // Determine Versions var agent=navigator.userAgent.toLowerCase(); var browser=navigator.appName.toLowerCase(); var versMajor = parseInt(navigator.appVersion); var versMinor = parseFloat(navigator.appVersion); // Determine browser. var isNS = (browser.indexOf("netscape") >= 0); var isIE = (browser.indexOf("internet explorer") >= 0); // (agent.indexOf("msie") != -1); var isOpera = (agent.indexOf('opera') != -1); var isAOL = (agent.indexOf("aol") != -1); var isWebTV = (agent.indexOf("webtv") != -1); // NS var isNS2 = (isNS && (versMajor == 2)); var isNS3 = (isNS && (versMajor == 3)); var isNS4 = (isNS && (versMajor == 4)); var isNS5 = (isNS && (versMajor == 5)); var isNS6 = (isNS && document.getElementById != null); var isMinNS6 = isNS6; var isMinNS4 = (isNS && (versMajor >= 4)) && ! isMinNS6; var isMinNS5 = (isNS && (versMajor >= 5)); // IE var isIE3 = (isIE && (versMajor < 4)); var isIE4 = (isIE && (versMajor == 4) && (agent.indexOf("msie 5.")==-1) && (agent.indexOf("msie 6.")==-1)); var isIE5 = (isIE && (versMajor == 4) && (agent.indexOf("msie 6.")==-1) && (agent.indexOf("msie 5.")!=-1)); var isIE55 = (isIE5 && (navigator.appVersion.indexOf("5.5") >= 0)); var isIE6 = (navigator.appVersion.indexOf("6.") >= 0); var isIE7 = (isIE && navigator.appVersion.indexOf("7.") >= 0); var isMinIE4 = (isIE && versMajor >= 4); var isMinIE6 = isIE6; var isMinIE5 = (isMinIE4 && (navigator.appVersion.indexOf("5.") >= 0) || isMinIE6); var isMinIE55 = (isMinIE4 && (navigator.appVersion.indexOf("5.5") >= 0)); var isIENS6 = isIE || isMinNS6 ; // AOL var isAOL3 = (isAOL && isIE3); var isAOL4 = (isAOL && isIE4); // Determine OS var isMac = (navigator.appVersion.indexOf("Mac") >= 0); var isWin = (navigator.appVersion.indexOf("Win") >= 0); var isLinux = (navigator.appVersion.indexOf("Linux") >= 0); // Versions if (isNS2) browserVersion = "2"; if (isIE3 || isNS3) browserVersion = "3"; if (isIE4 || isNS4) browserVersion = "4"; if (isIE5) browserVersion = "5"; if (isMinIE55) browserVersion = "5.5"; if (isNS6) browserVersion = "6"; // JavaScript 1.1 min // test if a variable is undefined or null function isDefined(sVar) { if (typeof sVar == 'undefined') return false; else return true; } // Determine Flash // ********************************** FALSH DETECT var Fl_requiredVersion = 4; // version the user needs to view site (max is 5, min is 2) var Fl_flash2Installed = false; // boolean. true if flash 2 is installed var Fl_flash3Installed = false; // boolean. true if flash 3 is installed var Fl_flash4Installed = false; // boolean. true if flash 4 is installed var Fl_flash5Installed = false; // boolean. true if flash 5 is installed var Fl_maxVersion = 8; // highest version we can actually detect var Fl_actualVersion = 0; // version the user really has var Fl_hasRightVersion = false; // boolean. true if it's safe to embed the flash movie in the page var Fl_isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false; // true if we're on ie var Fl_isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows function Fl_DetectFlashVb() { if(Fl_isIE && Fl_isWin){ // don't write vbscript tags on anything but ie win document.write(' \n'); document.write('on error resume next \n'); for(i=2;i<=Fl_maxVersion;i++) { document.write('Fl_flash'+i+'Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.'+i+'"))) \n'); } document.write(' \n'); // break up end tag so it doesn't end our script } } function Fl_DetectFlash() { if (navigator.plugins){ // does navigator.plugins exist? if (navigator.plugins["Shockwave Flash 2.0"] // yes>> then is Flash 2 || navigator.plugins["Shockwave Flash"]){ // or flash 3+ installed? var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : ""; var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description; var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1)); Fl_flash2Installed = flashVersion == 2; Fl_flash3Installed = flashVersion == 3; Fl_flash4Installed = flashVersion == 4; Fl_flash5Installed = flashVersion == 5; Fl_flash6Installed = flashVersion == 6; Fl_flash7Installed = flashVersion == 7; Fl_flash8Installed = flashVersion == 8; } } for (var i = 2; i <= Fl_maxVersion; i++) { if (eval("Fl_flash" + i + "Installed") == true) Fl_actualVersion = i; } if(navigator.userAgent.indexOf("WebTV") != -1) Fl_actualVersion = 2; if (Fl_actualVersion >= Fl_requiredVersion) { // user has a new enough version Fl_hasRightVersion = true; // flag: it's okay to write out the object/embed tags later return true; } return false; } // -------------------------------- // Plugin Detection // -------------------------------- /* Plugin Detector() Source: Webmonkey Code Library (http://www.hotwired.com/webmonkey/javascript/code_library/) Author: Nadav Savio Author Email: webmonkey@giantant.com */ // this is where we write out the VBScript for MSIE Windows var WM_startTagFix = ''); document.writeln('\'This will scan for plugins for all versions of Internet Explorer that have a VBscript engine version 2 or greater.'); document.writeln('\'This includes all versions of IE4 and beyond and some versions of IE 3.'); document.writeln('Dim WM_detect_through_vb'); document.writeln('WM_detect_through_vb = 0'); document.writeln('If ScriptEngineMajorVersion >= 2 then'); document.writeln(' WM_detect_through_vb = 1'); document.writeln('End If'); document.writeln('Function WM_activeXDetect(activeXname)'); document.writeln(' on error resume next'); document.writeln(' If ScriptEngineMajorVersion >= 2 then'); document.writeln(' WM_activeXDetect = False'); document.writeln(' WM_activeXDetect = IsObject(CreateObject(activeXname))'); document.writeln(' If (err) then'); document.writeln(' WM_activeXDetect = False'); document.writeln(' End If'); document.writeln(' Else'); document.writeln(' WM_activeXDetect = False'); document.writeln(' End If'); document.writeln('End Function'); document.writeln(WM_startTagFix+'script>'); } function WM_pluginDetect(plugindescription, pluginxtension, pluginmime, activeXname){ //This script block will test all user agents that have a real plug-in array //(i.e. Netscape) and set the variables, otherwise it directs the routine // to WM_activeXDetect to detect the activeX control. // First define some variables var i,plugin_undetectable=0,detected=0, daPlugin=new Object(); plugin_undetectable = (msie_windows && WM_detect_through_vb)?0:1; // If it has a real plugins or mimetypes array, we look there for the plugin first if (navigator.plugins) { numPlugins = navigator.plugins.length; if (numPlugins > 1) { if (navigator.mimeTypes && navigator.mimeTypes[pluginmime] && navigator.mimeTypes[pluginmime].enabledPlugin && (navigator.mimeTypes[pluginmime].suffixes.indexOf(pluginxtension) != -1)) { // seems like we have it, let's just make sure and check the version (if specified) if ((navigator.appName == 'Netscape') && (navigator.appVersion.indexOf('4.0') != -1)) { // stupid, stupid Netscape can't handle the references to navigator.plugins by number, sooo... for(i in navigator.plugins) { if ((navigator.plugins[i].description.indexOf(plugindescription) != -1) || (i.indexOf(plugindescription) != -1)) { // some versions of quicktime have no description. feh! detected=1; break; } } } else { for (i = 0; i < numPlugins; i++) { daPlugin = navigator.plugins[i]; if ((daPlugin.description.indexOf(plugindescription) != -1) || (daPlugin.name.indexOf(plugindescription) != -1)) { detected=1; break; } } } // Mac weirdness if (navigator.mimeTypes[pluginmime] == null) { detected = 0; } } return detected; } else if((msie_windows == 1) && !plugin_undetectable){ return WM_activeXDetect(activeXname); } else { return 0; } } else { return 0; } } // this next function just makes it easy to detect the common plugins function WM_easyDetect(whichPlugin) { // this function just makes it easy to do basic plug-in detection without // knowing all the mimetypes and activeX names and such var isItThere = 0; if( (whichPlugin == 'flash') || (whichPlugin == 'Flash') ) { isItThere = WM_pluginDetect('Flash', 'swf', 'application/x-shockwave-flash', 'ShockwaveFlash.ShockwaveFlash'); } else if( (whichPlugin == 'director') || (whichPlugin == 'Director') ) { isItThere = WM_pluginDetect('Shockwave', 'dcr', 'application/x-director', 'SWCtl.SWCtl.1'); } else if( (whichPlugin == 'quicktime') || (whichPlugin == 'Quicktime') || (whichPlugin == 'QuickTime') ) { isItThere = WM_pluginDetect('QuickTime', 'mov', 'video/quicktime', 'QuickTimeCheckObject.QuickTimeCheck.1'); } else if( (whichPlugin == 'realaudio') || (whichPlugin == 'Realaudio') || (whichPlugin == 'RealAudio') ) { isItThere = (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin', 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','rmocx.RealPlayer G2 Control')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')) || (WM_pluginDetect('RealPlayer', 'rpm', 'audio/x-pn-realaudio-plugin','RealVideo.RealVideo(tm) ActiveX Control (32-bit)')) } else { alert('You need to tell me which plug-in to look for, like so:\n\n' + ' WM_easyDetect(\'flash\')\n\n' + ' WM_easyDetect(\'director\')\n\n' + ' WM_easyDetect(\'quicktime\')\n\n' + ' WM_easyDetect(\'realaudio\')'); } return isItThere; }