// Is it iCab for Macintosh masquerading as a Netscape browser? var agt = navigator.userAgent.toLowerCase(); var is_icab = (agt.indexOf("icab") != -1); // Is it a Macintosh? var platform = navigator.platform.toLowerCase(); var is_mac = (agt.indexOf("mac") != -1); var appversion = parseFloat(navigator.appVersion); var is_mac_netscape6 = is_mac && (appversion >= 5.0); if( !navigator.javaEnabled() ) { document.writeln("<P><B>Java is NOT enabled for your browser."); document.writeln("You cannot run JSyn without Java!</B><P>"); } // Mac Netscape 6 uses MRJ and PC Netscape uses real Java! else if( is_netscape && !is_icab && (appversion < 5.0) ) { // If we are running an old Netscape browser then we should use the Netscape Plugin.  // Has the plugin been installed? // Check for name that we used on both Mac and PC.  var jsynPcPlugin = navigator.plugins["SoftSynth JSyn"]; var jsynMacPlugin = navigator.plugins["npJSyn"]; if( (jsynMacPlugin == undefined) && (jsynPcPlugin == undefined)) { document.writeln("<p><b>ERROR:</b> The JSyn plugin could not be found!"); document.writeln("You can download the free JSyn plugin from "); document.writeln('<A HREF="http://www.softsynth.com/jsyn/plugins">here</A>.<P>'); } else { // check property on global navigator object to see if plugin window already open // If open, don't open it again because Netscape may hang if // the garbage collector is running, or if threads call the plugin // while we are EMBEDding plugin.  jsynPluginWindow = navigator.jsynPluginWindow; if (jsynPluginWindow) { document.writeln("Using already open JSyn Plugin Window.<P>"); } else { // not open so we had better open it now navigator.jsynPluginWindow = window.open("embed_jsyn_plugin.html", "SharedJSynWindow", "toolbar=no,resizable=yes,scrollbars=yes,height=240,width=520"); document.writeln("Opened Plugin Window for JSyn.<P>"); } } } else // do nothing { // For Internet Explorer or iCab or NS6, // don't try to EMBED the Netscape Plugin because IE may crash.  }