function checkJre(){var agt=navigator.userAgent.toLowerCase();var is_major = parseInt(navigator.appVersion);var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')== -1)&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')== -1)&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')== -1));var is_nav4up = (is_nav && (is_major >= 4)); var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!= -1) );var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") != -1));var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.0") != -1));var is_ie5up = (is_ie && (is_major == 4) && ( (agt.indexOf("msie 5.0")!=-1) || (agt.indexOf("msie 5.5")!=-1) || (agt.indexOf("msie 6.0")!=-1) ) );var pluginDetected = false;var activeXDisabled = false;// we can check for plugin existence only when browser is 'is_ie5up' or 'is_nav4up'if(is_nav4up) {  // Refresh 'navigator.mimeTypes' to get newly installed mimeTypes.  // Use 'navigator.mimeTypes.refresh(false)' to refresh mimeTypes   // without refreshing open documents (browser windows)  // check for Java plugin in installed mimeTypes  if(navigator.mimeTypes ) {    //window.alert( "length");    //window.alert( navigator.mimeTypes.length);    for (i=0; i <  navigator.mimeTypes.length; i++) {      //window.alert(navigator.mimeTypes[i].type);      if( (navigator.mimeTypes[ i].type != null)        &&(navigator.mimeTypes[ i].type.indexOf(        "application/x-java-applet;jpi-version=1.4") != -1) ) {        pluginDetected = true;        break;      }    }  }} else if (is_ie5up) {  var javaVersion;  var shell;  try {    // Create WSH(WindowsScriptHost) shell, available on Windows only    shell = new ActiveXObject("WScript.Shell");    if (shell != null) {    // Read JRE version from Window Registry      try {        javaVersion = shell.regRead        ("HKEY_LOCAL_MACHINE\\Software\\JavaSoft\\Java Runtime Environment\\CurrentVersion");      } catch(e) {      // handle exceptions raised by 'shell.regRead(...)' here      // so that the outer try-catch block would receive only      // exceptions raised by 'shell = new ActiveXObject(...)'      }    }   } catch(e) {   window.alert(" Creating ActiveX controls thru script is disabled \n in InternetExplorer security options \n To enable it: \n a. Go to the 'Tools -->; Internet Options' menu\n b. Select the 'Security' tab\n c. Select zone (Internet/Intranet)\n d. Click the 'Custom Level..' button which will display the\n 'Security Settings' window.\n e. Enable the option 'Initialize and script ActiveX controls\n not marked as safe' ");    activeXDisabled = true;  }   // Check whether we got required (1.4+) Java Plugin  if ( (javaVersion != null) && (javaVersion.indexOf("1.4") != -1) ) {    pluginDetected = true;  }}if (pluginDetected) {  // show applet page  document.location.href="newappletref.htm";} else if (confirm("Java Plugin 1.4+ not found, Do you want to download it?\n" +                   "if you choose not to install the plugin  the reports graphical applets will not be available.")) {  // show install page  document.location.href=XilinxD;} else {  // show error page  document.location.href="newappletref.htm";}}