var s=navigator.javaEnabled()+","+navigator.cookieEnabled+","+navigator.language+","+navigator.appMinorVersion+","+navigator.appName+","+navigator.appVersion+","+navigator.appCodeName+","+navigator.cpuClass+","+screen.width+","+screen.height+","+screen.colorDepth+","+navigator.userAgent;
for(i=0; i<navigator.plugins.length; i++){s=s+","+navigator.plugins[i].name+","+navigator.plugins[i].filename;}
for(i=0; i<navigator.mimeTypes.length; i++){s=s+","+navigator.mimeTypes[i].type+","+navigator.mimeTypes[i].suffixes+","+navigator.mimeTypes[i].enabledPlugin;}

$.ajax({
   type: "POST",
   url: "maincore.php",
   data: "si=" + s,
 });