diff --git a/main/mainscreen.ui b/main/mainscreen.ui
index be6b6ae..9e32c81 100644
--- a/main/mainscreen.ui
+++ b/main/mainscreen.ui
@@ -64,7 +64,7 @@ background: qlineargradient(spread:pad, x1:0.496, y1:0, x2:0.508, y2:1, stop:0 r
        <enum>QTabWidget::Rounded</enum>
       </property>
       <property name="currentIndex">
-       <number>2</number>
+       <number>0</number>
       </property>
       <property name="documentMode">
        <bool>false</bool>
diff --git a/src/jceConnection/jcesslclient.cpp b/src/jceConnection/jcesslclient.cpp
index bd25409..b740b42 100644
--- a/src/jceConnection/jcesslclient.cpp
+++ b/src/jceConnection/jcesslclient.cpp
@@ -3,7 +3,8 @@
 /**
  * @brief jceSSLClient::jceSSLClient  Constructer, setting the signals
  */
-jceSSLClient::jceSSLClient(QProgressBar *progressbarPtr) : flag(false), packet(""),networkConf(), reConnection(false)
+jceSSLClient::jceSSLClient(QProgressBar *progressbarPtr) : loggedIAndConnectedFlag(false), readingFlag(false),
+        reConnectionFlag(false), networkConf(), packet(""), recieveLastPacket(false), packetSizeRecieved(0)
 {
     this->progressBar = progressbarPtr;
     //setting signals
@@ -14,8 +15,8 @@ jceSSLClient::jceSSLClient(QProgressBar *progressbarPtr) : flag(false), packet("
     connect(&networkConf,SIGNAL(onlineStateChanged(bool)),this,SLOT(setOnlineState(bool)));
 
     //loop event will connect the server, and when it is connected, it will quit - but connection will be open
-    connect(this, SIGNAL(encrypted()), &loop, SLOT(quit()));
-    connect(this, SIGNAL(error(QAbstractSocket::SocketError)),&loop,SLOT(quit()));
+    connect(this, SIGNAL(encrypted()), &loginThreadLoop, SLOT(quit()));
+    connect(this, SIGNAL(error(QAbstractSocket::SocketError)),&loginThreadLoop,SLOT(quit()));
 
 }
 /**
@@ -43,7 +44,7 @@ bool jceSSLClient::makeConnect(QString server, int port)
         qDebug() << Q_FUNC_INFO << "we're online";
 
 
-    if (reConnection) //reset reconnectiong flag
+    if (reConnectionFlag) //reset reconnectiong flag
     {
         qDebug() << Q_FUNC_INFO <<  "Making Reconnection";
     }
@@ -59,12 +60,12 @@ bool jceSSLClient::makeConnect(QString server, int port)
     qDebug() << Q_FUNC_INFO <<  "Connection to: " << server << "On Port: " << port;
     connectToHostEncrypted(server.toStdString().c_str(), port);
 
-    loop.exec(); //starting connection, waiting to encryption and then it ends
+    loginThreadLoop.exec(); //starting connection, waiting to encryption and then it ends
 
     qDebug() << Q_FUNC_INFO <<  "returning the connection status: " << isConnected();
-    if (reConnection)
+    if (reConnectionFlag)
     {
-        reConnection = false;
+        reConnectionFlag = false;
         emit serverDisconnectedbyRemote();
     }
     return isConnected();
@@ -76,10 +77,10 @@ bool jceSSLClient::makeConnect(QString server, int port)
  */
 bool jceSSLClient::makeDiconnect()
 {
-    if (loop.isRunning())
+    if (loginThreadLoop.isRunning())
     {
         qWarning() << Q_FUNC_INFO << "Killing connection thread";
-        loop.exit();
+        loginThreadLoop.exit();
     }
     qDebug() << Q_FUNC_INFO << "disconnecting from host and emitting disconnected()";
     this->disconnectFromHost(); //emits disconnected > setDisconnected
@@ -117,7 +118,7 @@ bool jceSSLClient::isConnected()
     }
     if (!isConnectedToNetwork()) //no link, ethernet\wifi
         tempFlag = false;
-    return ((flag) && (tempFlag));
+    return ((loggedIAndConnectedFlag) && (tempFlag));
 }
 /**
  * @brief jceSSLClient::sendData  - given string, send it to server
@@ -127,11 +128,17 @@ bool jceSSLClient::isConnected()
 bool jceSSLClient::sendData(QString str)
 {
     bool sendDataFlag = false;
-
+    int amount = 0;
     if (isConnected()) //if connected
     {
-        write(str.toStdString().c_str(),str.length());
-        if (waitForBytesWritten())
+        amount = write(str.toStdString().c_str(),str.length());
+        qDebug() << Q_FUNC_INFO << "lenght send: " << str.length() << "lenght recieved: " << amount;
+        if (amount == -1)
+        {
+            qCritical() << Q_FUNC_INFO << "SendData ended with -1";
+            sendDataFlag = false;
+        }
+        else if (waitForBytesWritten())
             sendDataFlag = true;
     }
     qDebug() << Q_FUNC_INFO <<  "Sending Data status is: " << sendDataFlag;
@@ -143,42 +150,35 @@ bool jceSSLClient::sendData(QString str)
  * @param fast  true for LOGIN ONLY, false to retrieve all data
  * @return  true if recieved data bigger than zero
  */
-bool jceSSLClient::recieveData(QString &str, bool fast)
+bool jceSSLClient::recieveData(QString *str)
 {
     qDebug() << Q_FUNC_INFO <<  "Data receiving!";
+    bool sflag = false; //success on recieving flag
+    str->clear();
     packet = "";
-    bool sflag = false;
+    recieveLastPacket = false;
+    packetSizeRecieved = 0; //counting packet size
+    readingFlag = true; //to ignore timeout socket error
 
-    if (fast) //fast mode connection, good only for login step!!!!
-    {
-        qDebug() << Q_FUNC_INFO << "login step receiving";
-        //loop will exit after first read packet.
-        //meanwhile packet will gain data. good for small amount of data - fast connection!
-        connect(this, SIGNAL(readyRead()), &readerLoop, SLOT(quit()));
-        connect(this, SIGNAL(readyRead()), this, SLOT(readIt()));
-        readerLoop.exec();
-        disconnect(this, SIGNAL(readyRead()), &readerLoop, SLOT(quit()));
-        disconnect(this, SIGNAL(readyRead()), this, SLOT(readIt()));
-    }
-    else
-    {
-        qDebug() << Q_FUNC_INFO << "normal receiving";
-        //loop will exit after timeout \ full data
-        connect(this, SIGNAL(packetHasData()), &readerLoop, SLOT(quit()));
+    timer.setSingleShot(true);
+    timer.start(milisTimeOut); //if timer is timeout -> it means the connection takes long time
 
-        timer.setSingleShot(true);
-        connect(&timer, SIGNAL(timeout()), &readerLoop, SLOT(quit()));
-        connect(this, SIGNAL(readyRead()), this, SLOT(readItAll()));
-        timer.start(5000);
-        readerLoop.exec();
+    connect(this, SIGNAL(readyRead()), this, SLOT(readIt())); //we have something to read
+    connect(&timer, SIGNAL(timeout()), &readerLoop, SLOT(quit())); //if timer timeout > exiting event
 
-    }
-    str = packet;
-    qDebug() << Q_FUNC_INFO <<  "received bytes: " << str.length() ;
-    if (str.length() > 0)
+    readerLoop.exec();
+
+    disconnect(&timer, SIGNAL(timeout()), &readerLoop, SLOT(quit()));
+    disconnect(this, SIGNAL(readyRead()), this, SLOT(readIt()));
+
+    str->append(packet);
+        qDebug() << *str;
+
+    qDebug() << Q_FUNC_INFO << "packet size: " << packetSizeRecieved << "received data lenght: " << str->length();
+    if (str->length() > 0)
         sflag = true;
     qDebug() << Q_FUNC_INFO <<  "return with flag: " << sflag;
-    disconnect(this, SIGNAL(readyRead()), this, SLOT(readItAll()));
+    readingFlag = false;
     return sflag;
 
 }
@@ -187,33 +187,41 @@ bool jceSSLClient::recieveData(QString &str, bool fast)
  */
 void jceSSLClient::readIt()
 {
-    QString p;
-    do
-    {
-        p = readAll();
-        packet.append(p);
-        this->progressBar->setValue(this->progressBar->value() + 6);
-    }while (p.size() > 0);
+    int packSize = bytesAvailable();
+    int doTimes=0;
+    QByteArray tempPacket;
 
-}
-void jceSSLClient::readItAll()
-{
-    QString p;
     do
     {
-        p = "";
-        p = read(bytesAvailable());
-        if (p.contains("</tbody>") == true)
-        {
-            //we recieved the end of table. we can stop recieving
-            timer.setInterval(1000);
-        }
-        this->progressBar->setValue(this->progressBar->value() + 6);
-        packet.append(p);
+        qDebug() << Q_FUNC_INFO << "packet size" << packSize;
+
+        if (doTimes++ > 0) //for debbuging, checking thread looping times
+            qDebug() << Q_FUNC_INFO << "do loop" << doTimes;
+
+        waitForReadyRead(100);
+        tempPacket = read(packSize);
+
+        readerAppendingLocker.lock();
+        packetSizeRecieved += packSize;
+        packet.append(tempPacket);
         packet.append("\0");
-    }while (p.size() > 0);
-}
+        readerAppendingLocker.unlock();
 
+        progressBar->setValue(this->progressBar->value() + 6);
+
+        if (tempPacket.contains("Go_To_system_After_Login.htm") || tempPacket.contains("</html>"))
+        {
+            //we have the last packet. (uses only in login first step
+            recieveLastPacket = true;
+            timer.setInterval(200);
+        }
+        else
+        {
+            //just a packet with data
+        }
+
+    }while ((packSize = bytesAvailable()) > 0);
+}
 void jceSSLClient::setOnlineState(bool isOnline)
 {
     qWarning() << Q_FUNC_INFO << "isOnline status change: " << isOnline;
@@ -246,8 +254,8 @@ void jceSSLClient::setDisconnected()
     qDebug() << Q_FUNC_INFO << "connection has been DISCONNECTED";
     this->setSocketState(QAbstractSocket::SocketState::UnconnectedState);
     packet.clear();
-    flag = false;
-    if (reConnection)
+    loggedIAndConnectedFlag = false;
+    if (reConnectionFlag)
         makeConnect();
 
 
@@ -260,11 +268,11 @@ void jceSSLClient::setEncrypted()
     qDebug() << Q_FUNC_INFO << "connection has been ENCRYPTED";
     setReadBufferSize(packetSize);
     setSocketOption(QAbstractSocket::KeepAliveOption,true);
-    flag = true;
+    loggedIAndConnectedFlag = true;
     if (!isConnected())
     {
         qWarning() << Q_FUNC_INFO <<  "Connection status didnt change! reseting flag to false";
-        flag = false;
+        loggedIAndConnectedFlag = false;
     }
 
 }
@@ -291,7 +299,7 @@ void jceSSLClient::showIfErrorMsg()
         //The remote host closed the connection
         if (isConnectedToNetwork()) //we can reconnect
         {
-            reConnection = true;
+            reConnectionFlag = true;
         }
         else
             relevantError = true;
@@ -402,19 +410,23 @@ void jceSSLClient::checkErrors(QAbstractSocket::SocketError a)
         qWarning() << Q_FUNC_INFO << "Var Error: " << a;
         qWarning() << Q_FUNC_INFO << "Error: " << errorString();
     }
+    else if (!readingFlag)
+    {
+        qWarning() << Q_FUNC_INFO << "isConnected?: " << isConnected() << "is timeout?" << timeout;
+        qWarning() << Q_FUNC_INFO << "isOnline?: " << isConnectedToNetwork()  << "state is: " << state();
+        qWarning() << Q_FUNC_INFO << "Error: " << errorString();
+
+    }
     else
     {
-        qDebug() << Q_FUNC_INFO << "isConnected?: " << isConnected() << "is timeout?" << timeout;
-        qWarning() << Q_FUNC_INFO << "isOnline?: " << isConnectedToNetwork();
-        qWarning() << Q_FUNC_INFO << "state is: " << state();
-        qWarning() << Q_FUNC_INFO << "Var Error: " << a;
-        qWarning() << Q_FUNC_INFO << "Error: " << errorString();
+        //timeout when reading
     }
     showIfErrorMsg();
 }
 
 /** written by KARAN BALKAR
  * @brief jceSSLClient::isConnectedToNetwork
+ *
  * @return
  */
 bool jceSSLClient::isConnectedToNetwork(){
diff --git a/src/jceConnection/jcesslclient.h b/src/jceConnection/jcesslclient.h
index 1b2cec6..e2cfb6d 100644
--- a/src/jceConnection/jcesslclient.h
+++ b/src/jceConnection/jcesslclient.h
@@ -5,54 +5,66 @@
 #include <QSslSocket>
 #include <QThread>
 #include <QEventLoop>
+#include <QTimer>
+#include <QMutex>
 #include <QMessageBox>
 #include <QNetworkConfigurationManager>
 #include <QtNetwork/QNetworkInterface>
-#include <QTimer>
+
 #include <QProgressBar>
 
-#define packetSize 10000
-#define milisTimeOut 4000
+#define packetSize 4096 //4k
+#define milisTimeOut 5000 //4 seconds
 
 class jceSSLClient : public QSslSocket
 {
-    Q_OBJECT
+  Q_OBJECT
 public:
-    jceSSLClient(QProgressBar *progressbarPtr);
+  jceSSLClient(QProgressBar *progressbarPtr);
 
-    bool makeConnect(QString server = "yedion.jce.ac.il", int port = 443);
-    bool makeDiconnect();
-    bool isConnected();
-    bool sendData(QString str);
-    bool recieveData(QString &str, bool fast);
-    void showIfErrorMsg();
+  bool makeConnect(QString server = "yedion.jce.ac.il", int port = 443);
+  bool makeDiconnect();
+  bool isConnected();
+  bool sendData(QString str);
+  bool recieveData(QString *str);
+  void showIfErrorMsg();
 
 signals:
-    void serverDisconnectedbyRemote();
-    void noInternetLink();
-    void socketDisconnected();
-    void packetHasData();
+  void serverDisconnectedbyRemote();
+  void noInternetLink();
+  void socketDisconnected();
 
 private slots:
-    void checkErrors(QAbstractSocket::SocketError a);
-    void setConnected();
-    void setEncrypted();
-    void setDisconnected();
-    void readIt();
-    void readItAll();
-    void setOnlineState(bool isOnline);
+  void checkErrors(QAbstractSocket::SocketError a);
+  void setConnected();
+  void setEncrypted();
+  void setDisconnected();
+  void readIt();
+  void setOnlineState(bool isOnline);
 
 private:
-    bool isConnectedToNetwork(); //checking if online
-    bool flag;
-    QString packet;
-    QEventLoop loop; //handle the connection as thread
-    QEventLoop readerLoop;
-    QTimer timer;
-    QNetworkConfigurationManager networkConf; //checking if online
-    bool reConnection; //used for remote host disconnecting
 
-            QProgressBar *progressBar; //
+  bool isConnectedToNetwork(); //checking if online
+
+  bool loggedIAndConnectedFlag;
+  bool readingFlag;
+  bool reConnectionFlag; //used for remote host disconnecting
+
+  QNetworkConfigurationManager networkConf; //checking if online
+
+  QString packet;
+  bool recieveLastPacket;
+  int packetSizeRecieved;
+
+  QEventLoop loginThreadLoop; //handle the connection as thread
+  QEventLoop readerLoop;
+
+  QMutex readerAppendingLocker; //locking packet when appending
+  QTimer timer; //uses to check if reading has reached its timeout
+
+
+
+  QProgressBar *progressBar; //progressbar pointer
 
 };
 
diff --git a/src/jceData/Calendar/coursesSchedule/calendarPage.cpp b/src/jceData/Calendar/coursesSchedule/calendarPage.cpp
index 8aafa4c..24bcccb 100644
--- a/src/jceData/Calendar/coursesSchedule/calendarPage.cpp
+++ b/src/jceData/Calendar/coursesSchedule/calendarPage.cpp
@@ -9,6 +9,7 @@ void CalendarPage::setPage(QString html)
 
   courses = new std::list<calendarCourse*>();
   tempHtml = getString(html);
+  qDebug() << "starting ..";
   calendarListInit(tempHtml);
 
 }
@@ -18,23 +19,19 @@ void CalendarPage::setPage(QString html)
  */
 void CalendarPage::calendarListInit(QString &linesTokinzedString)
 {
-  std::list<QString> stringHolder;
-  QString temp;
-  calendarCourse * cTemp = NULL;
-  char* tok;
-  char* textToTok = strdup(linesTokinzedString.toStdString().c_str());
-  tok = strtok(textToTok,"\n");
-  while (tok != NULL)
+    QString tempToken;
+
+    QStringList holder = linesTokinzedString.split("\n");
+    QStringList::iterator iterator;
+    for (iterator = holder.begin(); iterator != holder.end(); ++iterator)
     {
-      temp = tok;
-      stringHolder.push_back(temp);
-      tok = strtok(NULL, "\n");
-    }
-  for (QString temp: stringHolder)
-    {
-      cTemp = lineToCourse(temp);
-      if (cTemp != NULL)
-        courses->push_back(cTemp);
+        tempToken = (*iterator);
+        if (!tempToken.isEmpty())
+        {
+            calendarCourse *cTemp = lineToCourse(tempToken);
+            if (cTemp != NULL)
+                this->courses->push_back(cTemp);
+        }
     }
 }
 
@@ -51,27 +48,27 @@ calendarCourse *CalendarPage::lineToCourse(QString line)
   int serial;
   double points,semesterHours;
   QString name,type, lecturer,dayAndHour,room;
-  QString tempS = "";
-  int i = 0;
-  char* tok;
-  char* cLine = strdup(line.toStdString().c_str());
-  tok = strtok(cLine, "\t");
-  while(tok != NULL)
-    {
-      tempS = QString(tok);
 
+  QString tempToken;
+  int i = 0;
+  QStringList holder = line.split("\t");
+  QStringList::iterator iterator;
+  for (iterator = holder.begin(); iterator != holder.end(); ++iterator)
+  {
+
+      tempToken = (*iterator);
       if (i >= 1) //skips on semester character
         {
-          templinearray[i-1] = tempS.trimmed();
+            templinearray[i] = tempToken.trimmed();
         }
-
       i++;
-      if (i > 8)
-        break;
-      tok=strtok(NULL, "\t");
-    }
+      if (i >= CALENDAR_COURSE_FIELDS)
+          break;
+  }
+
   if (templinearray[0] == "") //empty parsing
-    return NULL;
+      return NULL;
+
 
   serial = templinearray[calendarCourse::CourseScheme::SERIAL].toInt();
   name = templinearray[calendarCourse::CourseScheme::NAME];
@@ -101,16 +98,16 @@ calendarCourse *CalendarPage::lineToCourse(QString line)
 
 
   tempC = new calendarCourse(serial,name,type,lecturer,points,semesterHours,dayAndHour,room);
-//  qDebug() << "serial is: " << tempC->getSerialNum();
-//  qDebug() << tempC->getName();
-//  qDebug() << tempC->getType();
-//  qDebug() << tempC->getLecturer();
-//  qDebug() << tempC->getPoints();
-//  qDebug() << tempC->getHourBegin() << ":" <<  tempC->getMinutesBegin();
-//  qDebug() << tempC->getHourEnd() << ":" <<  tempC->getMinutesEnd();
+  qDebug() << "serial is: " << tempC->getSerialNum();
+  qDebug() << tempC->getName();
+  qDebug() << tempC->getType();
+  qDebug() << tempC->getLecturer();
+  qDebug() << tempC->getPoints();
+  qDebug() << tempC->getHourBegin() << ":" <<  tempC->getMinutesBegin();
+  qDebug() << tempC->getHourEnd() << ":" <<  tempC->getMinutesEnd();
 
-//  qDebug() << tempC->getDay();
-//  qDebug() << tempC->getRoom();
+  qDebug() << tempC->getDay();
+  qDebug() << tempC->getRoom();
 
   return tempC;
 }
diff --git a/src/jceSettings/jcelogin.cpp b/src/jceSettings/jcelogin.cpp
index c9c5062..591d472 100644
--- a/src/jceSettings/jcelogin.cpp
+++ b/src/jceSettings/jcelogin.cpp
@@ -59,7 +59,7 @@ int jceLogin::makeConnection()
               returnMode = makeSecondVisit();
               if (returnMode == true) //siging in the website
                 {
-                  qDebug() << "jceLogin::makeConnection(); Signed in succeesfully";
+                  qDebug() << Q_FUNC_INFO << "Signed in succeesfully";
                   status = jceStatus::JCE_YOU_ARE_IN;
                   setLoginFlag(true);
                 }
@@ -94,7 +94,7 @@ int jceLogin::makeConnection()
     status = jceStatus::JCE_NOT_CONNECTED;
 
   //we throw status even if we are IN!
-  qDebug() << "jceLogin::makeConnection(); return status: " << status;
+  qDebug() << Q_FUNC_INFO << "return status: " << status;
   return status;
 
 }
@@ -150,7 +150,7 @@ int jceLogin::makeFirstVisit()
   QString psw = jceA->getPassword();
   if (JceConnector->sendData(jceLoginHtmlScripts::makeRequest(jceLoginHtmlScripts::getFirstValidationStep(*jceA))))
     {
-      if (!JceConnector->recieveData(*recieverPage,true))
+      if (!JceConnector->recieveData(recieverPage))
         return jceLogin::ERROR_ON_GETTING_INFO;
     }
   else
@@ -168,7 +168,7 @@ int jceLogin::makeSecondVisit()
   QString pswid=jceA->getHashedPassword();
   if ((JceConnector->sendData(jceLoginHtmlScripts::makeRequest(jceLoginHtmlScripts::getSecondValidationStep(*jceA)))))
     {
-      if (!(JceConnector->recieveData(*recieverPage,true)))
+      if (!(JceConnector->recieveData(recieverPage)))
         return jceLogin::ERROR_ON_GETTING_INFO;
 
       return true;
@@ -188,7 +188,7 @@ int jceLogin::getCalendar(int year, int semester)
 {
   if  ((JceConnector->sendData(jceLoginHtmlScripts::makeRequest(jceLoginHtmlScripts::getCalendar(*jceA,year,semester)))))
     {
-      if (!(JceConnector->recieveData(*recieverPage,false)))
+      if (!(JceConnector->recieveData(recieverPage)))
         return jceLogin::ERROR_ON_GETTING_PAGE;
       else
         return jceLogin::JCE_PAGE_PASSED;
@@ -203,7 +203,7 @@ int jceLogin::getExams(int year, int semester)
 {
     if  ((JceConnector->sendData(jceLoginHtmlScripts::makeRequest(jceLoginHtmlScripts::getExamSchedule(*jceA,year,semester)))))
       {
-        if (!(JceConnector->recieveData(*recieverPage,false)))
+        if (!(JceConnector->recieveData(recieverPage)))
           return jceLogin::ERROR_ON_GETTING_PAGE;
         else
           return jceLogin::JCE_PAGE_PASSED;
@@ -225,7 +225,7 @@ int jceLogin::getGrades(int fromYear, int toYear, int fromSemester, int toSemest
 {
   if  ((JceConnector->sendData(jceLoginHtmlScripts::makeRequest(jceLoginHtmlScripts::getGradesPath(*jceA,fromYear, toYear, fromSemester, toSemester)))))
     {
-      if (!(JceConnector->recieveData(*recieverPage,false)))
+      if (!(JceConnector->recieveData(recieverPage)))
         return jceLogin::ERROR_ON_GETTING_PAGE;
       else
         return jceLogin::JCE_PAGE_PASSED;