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        //   # (gH)   -_-  scripts1.js  ;  TimeStamp (unix) : 05 Mars 2016 vers 12:29
        
        // ######################################################################
        
        function montreSolution(numeroExercice) {
        
        // ######################################################################
        
        // rend visible la division qui contient la solution
        
          window.document.getElementById("solution"+numeroExercice).setAttribute("class","visible") ;
          window.document.getElementById("bsol"+numeroExercice).innerHTML ="   masquer la solution   " ;
          window.document.getElementById("bsol"+numeroExercice).setAttribute("onclick","masqueSolution("+numeroExercice+") ;  return false")
          window.document.getElementById("bsol"+numeroExercice).setAttribute("class","bouton_fin orange_pastel nou nobold") ;
        
        } ; // fin de fonction montreSolution
        
        // ######################################################################
        
        function masqueSolution(numeroExercice) {
        
        // ######################################################################
        
        // rend visible la division qui contient la solution
        
          window.document.getElementById("solution"+numeroExercice).setAttribute("class","invisible") ;
          window.document.getElementById("bsol"+numeroExercice).innerHTML ="   afficher la solution   " ;
          window.document.getElementById("bsol"+numeroExercice).setAttribute("onclick","montreSolution("+numeroExercice+") ;  return false")
          window.document.getElementById("bsol"+numeroExercice).setAttribute("class","bouton_fin vert_pastel nou nobold") ;
        
        } ; // fin de fonction masqueSolution
        
        // ######################################################################
        
        function montreFichier(fichier,ta) {
        
        // ######################################################################
        
        // transfère le contenu du fichier dans le texterea dont l'id est ta
        // sauf si le chemin du fichier commence par "."
        
        if (fichier.substr(0,1)==".") {
          window.document.getElementById(ta).value = "[fichier non affichable]" ;
        } else {
          window.document.getElementById(ta).value = file_get_contents(fichier) ;
        } ; // fin si
        
        } ; // fin de fonction montreFichier
        
        // ######################################################################
        
        // ######################################################################
        // http://phpjs.org/functions/file_get_contents:400
        
        function file_get_contents (url, flags, context, offset, maxLen) {
        
        // ######################################################################
        
            // Read the entire file into a string
            //
            // version: 906.111
            // discuss at: http://phpjs.org/functions/file_get_contents
            // +   original by: Legaev Andrey
            // +      input by: Jani Hartikainen
            // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
            // +   improved by: Brett Zamir (http://brett-zamir.me)
            // +   input by: Raphael (Ao) RUDLER
            // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
            // %        note 1: This function uses XmlHttpRequest and cannot retrieve resource from different domain without modifications.
            // %        note 2: Synchronous by default (as in PHP) so may lock up browser. Can
            // %        note 2: get async by setting a custom "phpjs.async" property to true and "notification" for an
            // %        note 2: optional callback (both as context params, with responseText, and other JS-specific
            // %        note 2: request properties available via 'this'). Note that file_get_contents() will not return the text
            // %        note 2: in such a case (use this.responseText within the callback). Or, consider using
            // %        note 2: jQuery's: $('#divId').load('http://url') instead.
            // %        note 3: The context argument is only implemented for http, and only partially (see below for
            // %        note 3: "Presently unimplemented HTTP context options"); also the arguments passed to
            // %        note 3: notification are incomplete
            // *     example 1: file_get_contents('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm');
            // *     returns 1: '123'
            // Note: could also be made to optionally add to global $http_response_header as per http://php.net/manual/en/reserved.variables.httpresponseheader.php
        
            var tmp, headers = [], newTmp = [], k=0, i=0, href = '', pathPos = -1, flagNames = 0, content = null, http_stream = false;
            var func = function (value) { return value.substring(1) !== ''; };
        
            // BEGIN REDUNDANT
            this.php_js = this.php_js || {};
            this.php_js.ini = this.php_js.ini || {};
            // END REDUNDANT
        
            var ini = this.php_js.ini;
            context = context || this.php_js.default_streams_context || null;
        
            if (!flags) {flags = 0;}
            var OPTS = {
                FILE_USE_INCLUDE_PATH : 1,
                FILE_TEXT : 32,
                FILE_BINARY : 64
            };
            if (typeof flags === 'number') { // Allow for a single string or an array of string flags
                flagNames = flags;
            }
            else {
                flags = [].concat(flags);
                for (i=0; i < flags.length; i++) {
                    if (OPTS[flags[i]]) {
                        flagNames = flagNames | OPTS[flags[i]];
                    }
                }
            }
        
            if (flagNames & OPTS.FILE_BINARY && (flagNames & OPTS.FILE_TEXT)) { // These flags shouldn't be together
                throw 'You cannot pass both FILE_BINARY and FILE_TEXT to file_get_contents()';
            }
        
            if ((flagNames & OPTS.FILE_USE_INCLUDE_PATH) && ini.include_path &&
                    ini.include_path.local_value) {
                var slash = ini.include_path.local_value.indexOf('/') !== -1 ? '/' : '\\';
                url = ini.include_path.local_value+slash+url;
            }
            else if (!/^(https?|file):/.test(url)) { // Allow references within or below the same directory (should fix to allow other relative references or root reference; could make dependent on parse_url())
                href = this.window.location.href;
                pathPos = url.indexOf('/') === 0 ? href.indexOf('/', 8)-1 : href.lastIndexOf('/');
                url = href.slice(0, pathPos+1)+url;
            }
        
            if (context) {
                var http_options = context.stream_options && context.stream_options.http;
                http_stream = !!http_options;
            }
        
            if (!context || http_stream) {
                var req = this.window.ActiveXObject ? new ActiveXObject('Microsoft.XMLHTTP') : new XMLHttpRequest();
                if (!req) {throw new Error('XMLHttpRequest not supported');}
        
                var method = http_stream ? http_options.method : 'GET';
                var async = !!(context && context.stream_params && context.stream_params['phpjs.async']);
        
                if (ini['phpjs.ajaxBypassCache'] && ini['phpjs.ajaxBypassCache'].local_value) {
                    url += (url.match(/\?/) == null ? "?" : "&") + (new Date()).getTime(); // Give optional means of forcing bypass of cache
                }
        
                req.open(method, url, async);
                if (async) {
                    var notification = context.stream_params.notification;
                    if (typeof notification === 'function') {
                        // Fix: make work with req.addEventListener if available: https://developer.mozilla.org/En/Using_XMLHttpRequest
                        if (0 && req.addEventListener) { // Unimplemented so don't allow to get here
                            /*
                            req.addEventListener('progress', updateProgress, false);
                            req.addEventListener('load', transferComplete, false);
                            req.addEventListener('error', transferFailed, false);
                            req.addEventListener('abort', transferCanceled, false);
                            */
                        }
                        else {
                            req.onreadystatechange = function (aEvt) { // aEvt has stopPropagation(), preventDefault(); see https://developer.mozilla.org/en/NsIDOMEvent
        
            // Other XMLHttpRequest properties: multipart, responseXML, status, statusText, upload, withCredentials
            /*
            PHP Constants:
            STREAM_NOTIFY_RESOLVE   1       A remote address required for this stream has been resolved, or the resolution failed. See severity  for an indication of which happened.
            STREAM_NOTIFY_CONNECT   2     A connection with an external resource has been established.
            STREAM_NOTIFY_AUTH_REQUIRED 3     Additional authorization is required to access the specified resource. Typical issued with severity level of STREAM_NOTIFY_SEVERITY_ERR.
            STREAM_NOTIFY_MIME_TYPE_IS  4     The mime-type of resource has been identified, refer to message for a description of the discovered type.
            STREAM_NOTIFY_FILE_SIZE_IS  5     The size of the resource has been discovered.
            STREAM_NOTIFY_REDIRECTED    6     The external resource has redirected the stream to an alternate location. Refer to message .
            STREAM_NOTIFY_PROGRESS  7     Indicates current progress of the stream transfer in bytes_transferred and possibly bytes_max as well.
            STREAM_NOTIFY_COMPLETED 8     There is no more data available on the stream.
            STREAM_NOTIFY_FAILURE   9     A generic error occurred on the stream, consult message and message_code for details.
            STREAM_NOTIFY_AUTH_RESULT   10     Authorization has been completed (with or without success).
        
            STREAM_NOTIFY_SEVERITY_INFO 0     Normal, non-error related, notification.
            STREAM_NOTIFY_SEVERITY_WARN 1     Non critical error condition. Processing may continue.
            STREAM_NOTIFY_SEVERITY_ERR  2     A critical error occurred. Processing cannot continue.
            */
                                var objContext = {
                                    responseText : req.responseText,
                                    responseXML : req.responseXML,
                                    status : req.status,
                                    statusText : req.statusText,
                                    readyState : req.readyState,
                                    evt : aEvt
                                }; // properties are not available in PHP, but offered on notification via 'this' for convenience
        
                                // notification args: notification_code, severity, message, message_code, bytes_transferred, bytes_max (all int's except string 'message')
                                // Need to add message, etc.
                                var bytes_transferred;
                                switch (req.readyState) {
                                    case 0: //     UNINITIALIZED     open() has not been called yet.
                                        notification.call(objContext, 0, 0, '', 0, 0, 0);
                                        break;
                                    case 1: //     LOADING     send() has not been called yet.
                                        notification.call(objContext, 0, 0, '', 0, 0, 0);
                                        break;
                                    case 2: //     LOADED     send() has been called, and headers and status are available.
                                        notification.call(objContext, 0, 0, '', 0, 0, 0);
                                        break;
                                    case 3: //     INTERACTIVE     Downloading; responseText holds partial data.
                                        bytes_transferred = req.responseText.length*2; // One character is two bytes
                                        notification.call(objContext, 7, 0, '', 0, bytes_transferred, 0);
                                        break;
                                    case 4: //     COMPLETED     The operation is complete.
                                        if (req.status >= 200 && req.status < 400) {
                                            bytes_transferred = req.responseText.length*2; // One character is two bytes
                                            notification.call(objContext, 8, 0, '', req.status, bytes_transferred, 0);
                                        }
                                        else if (req.status === 403) { // Fix: These two are finished except for message
                                            notification.call(objContext, 10, 2, '', req.status, 0, 0);
                                        }
                                        else { // Errors
                                            notification.call(objContext, 9, 2, '', req.status, 0, 0);
                                        }
                                        break;
                                    default:
                                        throw 'Unrecognized ready state for file_get_contents()';
                                }
                            }
                        }
                    }
                }
        
                if (http_stream) {
                    var sendHeaders = http_options.header && http_options.header.split(/\r?\n/);
                    var userAgentSent = false;
                    for (i=0; i < sendHeaders.length; i++) {
                        var sendHeader = sendHeaders[i];
                        var breakPos = sendHeader.search(/:\s*/);
                        var sendHeaderName = sendHeader.substring(0, breakPos);
                        req.setRequestHeader(sendHeaderName, sendHeader.substring(breakPos+1));
                        if (sendHeaderName === 'User-Agent') {
                            userAgentSent = true;
                        }
                    }
                    if (!userAgentSent) {
                        var user_agent = http_options.user_agent ||
                                                                            (ini.user_agent && ini.user_agent.local_value);
                        if (user_agent) {
                            req.setRequestHeader('User-Agent', user_agent);
                        }
                    }
                    content = http_options.content || null;
                    /*
                    // Presently unimplemented HTTP context options
                    var request_fulluri = http_options.request_fulluri || false; // When set to TRUE, the entire URI will be used when constructing the request. (i.e. GET http://www.example.com/path/to/file.html HTTP/1.0). While this is a non-standard request format, some proxy servers require it.
                    var max_redirects = http_options.max_redirects || 20; // The max number of redirects to follow. Value 1 or less means that no redirects are followed.
                    var protocol_version = http_options.protocol_version || 1.0; // HTTP protocol version
                    var timeout = http_options.timeout || (ini.default_socket_timeout && ini.default_socket_timeout.local_value); // Read timeout in seconds, specified by a float
                    var ignore_errors = http_options.ignore_errors || false; // Fetch the content even on failure status codes.
                    */
                }
        
                if (flagNames & OPTS.FILE_TEXT) { // Overrides how encoding is treated (regardless of what is returned from the server)
                    var content_type = 'text/html';
                    if (http_options && http_options['phpjs.override']) { // Fix: Could allow for non-HTTP as well
                        content_type = http_options['phpjs.override']; // We use this, e.g., in gettext-related functions if character set
                                                                                                                //   overridden earlier by bind_textdomain_codeset()
                    }
                    else {
                        var encoding = (ini['unicode.stream_encoding'] && ini['unicode.stream_encoding'].local_value) || 'UTF-8';
                        if (http_options && http_options.header && (/^content-type:/im).test(http_options.header)) { // We'll assume a content-type expects its own specified encoding if present
                            content_type = http_options.header.match(/^content-type:\s*(.*)$/im)[1]; // We let any header encoding stand
                        }
                        if (!(/;\s*charset=/).test(content_type)) { // If no encoding
                            content_type += '; charset='+encoding;
                        }
                    }
                    req.overrideMimeType(content_type);
                }
                // Default is FILE_BINARY, but for binary, we apparently deviate from PHP in requiring the flag, since many if not
                //     most people will also want a way to have it be auto-converted into native JavaScript text instead
                else if (flagNames & OPTS.FILE_BINARY) { // Trick at https://developer.mozilla.org/En/Using_XMLHttpRequest to get binary
                    req.overrideMimeType('text/plain; charset=x-user-defined');
                    // Getting an individual byte then requires:
                    // responseText.charCodeAt(x) & 0xFF; // throw away high-order byte (f7) where x is 0 to responseText.length-1 (see notes in our substr())
                }
        
                if (http_options && http_options['phpjs.sendAsBinary']) { // For content sent in a POST or PUT request (use with file_put_contents()?)
                    req.sendAsBinary(content); // In Firefox, only available FF3+
                }
                else {
                    req.send(content);
                }
        
                tmp = req.getAllResponseHeaders();
                if (tmp) {
                    tmp = tmp.split('\n');
                    for (k=0; k < tmp.length; k++) {
                        if (func(tmp[k])) {
                            newTmp.push(tmp[k]);
                        }
                    }
                    tmp = newTmp;
                    for (i=0; i < tmp.length; i++) {
                        headers[i] = tmp[i];
                    }
                    this.$http_response_header = headers; // see http://php.net/manual/en/reserved.variables.httpresponseheader.php
                }
        
                if (offset || maxLen) {
                    if (maxLen) {
                        return req.responseText.substr(offset || 0, maxLen);
                    }
                    return req.responseText.substr(offset);
                }
                return req.responseText;
            }
            return false;
        
        } ; // fin de file_get_contents
        

 

 

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