mirror of
https://github.com/garrettsworkshop/Warp-SE.git
synced 2024-11-23 14:35:49 +00:00
97 lines
3.3 KiB
JavaScript
97 lines
3.3 KiB
JavaScript
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function checkJre(){
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var agt=navigator.userAgent.toLowerCase();
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var is_major = parseInt(navigator.appVersion);
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var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')== -1)
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&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')== -1)
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&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')== -1));
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var is_nav4up = (is_nav && (is_major >= 4));
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var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
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var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!= -1) );
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var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") != -1));
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var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.0") != -1));
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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) ) );
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var pluginDetected = false;
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var activeXDisabled = false;
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// we can check for plugin existence only when browser is 'is_ie5up' or 'is_nav4up'
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if(is_nav4up) {
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// Refresh 'navigator.mimeTypes' to get newly installed mimeTypes.
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// Use 'navigator.mimeTypes.refresh(false)' to refresh mimeTypes
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// without refreshing open documents (browser windows)
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// check for Java plugin in installed mimeTypes
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if(navigator.mimeTypes ) {
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//window.alert( "length");
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//window.alert( navigator.mimeTypes.length);
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for (i=0; i < navigator.mimeTypes.length; i++) {
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//window.alert(navigator.mimeTypes[i].type);
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if( (navigator.mimeTypes[ i].type != null)
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&&(navigator.mimeTypes[ i].type.indexOf(
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"application/x-java-applet;jpi-version=1.4") != -1) ) {
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pluginDetected = true;
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break;
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}
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}
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}
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} else if (is_ie5up) {
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var javaVersion;
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var shell;
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try {
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// Create WSH(WindowsScriptHost) shell, available on Windows only
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shell = new ActiveXObject("WScript.Shell");
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if (shell != null) {
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// Read JRE version from Window Registry
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try {
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javaVersion = shell.regRead
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("HKEY_LOCAL_MACHINE\\Software\\JavaSoft\\Java Runtime Environment\\CurrentVersion");
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} catch(e) {
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// handle exceptions raised by 'shell.regRead(...)' here
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// so that the outer try-catch block would receive only
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// exceptions raised by 'shell = new ActiveXObject(...)'
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}
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}
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} catch(e) {
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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' ");
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activeXDisabled = true;
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}
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// Check whether we got required (1.4+) Java Plugin
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if ( (javaVersion != null) && (javaVersion.indexOf("1.4") != -1) ) {
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pluginDetected = true;
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}
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}
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if (pluginDetected) {
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// show applet page
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document.location.href="newappletref.htm";
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} else if (confirm("Java Plugin 1.4+ not found, Do you want to download it?\n" +
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"if you choose not to install the plugin the reports graphical applets will not be available.")) {
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// show install page
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document.location.href=XilinxD;
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} else {
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// show error page
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document.location.href="newappletref.htm";
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}
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}
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