var btnptr = null;



var bHeight = blank._height;

var additionalVSpace = 1;

var clickedButton = 0;



var totalSteps = _root.AnswerArray[_root.AnswerArray.length - 1][0].stepnum;



_root.ShowMe._visible = false;





populateTopic();

menuInitialize();



//making the first step as default

_root.stepnum = 0;

_root.showInstruction(_root.stepnum);

_root.loadImage(_root.stepnum,null); // no previous image

clickedButton = _root.stepnum;

//eval("blank.buttonlist.step" + _root.stepnum).gotoAndStop(2);





// initialize device select buttons

//initializeDeviceButtons();

function initializeDeviceButtons()

{

    /* Don't run this function since we don't have any more devices to initialize...

    Dont't waste CPU cycles

    device0.deviceName = routerInfoArray[0].hostName;

    device0.deviceNum = 0;

    device0.gotoAndStop(2);



    for (var i=1; i<routerInfoArray.length; i++)

    {

        device0.duplicateMovieClip("device" + i, 6000 + i);

        eval("device" + i).deviceName = routerInfoArray[i].hostName;

        eval("device" + i).deviceNum = i;

        eval("device" + i)._x = device0._x + device0._width * i;

    }

    */

}







function menuInitialize()

{

    var numOfSteps = AnswerArray.length - 1;



    // if we have more than 24 buttons, we have to allow for scroll, otherwise turn it off

    if (totalSteps <= 15)

        scrollDisable();



    blank.buttonlist.attachMovie("stepblock","stepblock","8000");



    // miwang

    AnswerArray[0][0].stepnum = 0;

    var j = 0;

    blank.buttonlist.attachMovie("step","step" + j, j);

    eval("blank.buttonlist.step" + j).text = j;

    eval("blank.buttonlist.step" + j).num = 0;

    eval("blank.buttonlist.step" + j)._y = j * (eval("blank.buttonlist.step" + j)._height + additionalVSpace);

    j++;



    for (i = 1; i <= numOfSteps; i++)

    {

trace("i=" + i + ", j=" + j);

        // miwang

        // if step number is different from the previous element's, then add new button

        if (AnswerArray[i][0].stepnum != AnswerArray[i-1][0].stepnum)

        {

            blank.buttonlist.attachMovie("step","step" + j, j);

            eval("blank.buttonlist.step" + j).text = j;

            eval("blank.buttonlist.step" + j).num = i;



            eval("blank.buttonlist.step" + j)._y = j * (eval("blank.buttonlist.step" + j)._height + additionalVSpace);



            j++;

        }

    }



    _root.coverButton(0);

  /*

  additionalHSpace = 12;

  for (i = 0; i <= totalSteps; i++)

  {

    // Once we hit 24, we need to start a new column of buttons

    if (i == 24)

    {

      bHeight = 0;

    }



    if (i < 24)

    {

      blank.attachMovie("step", "step" + i, i);

      eval("blank.step" + i).text = i;



      eval("blank.step" + i)._y = bHeight;

      bHeight = blank._height + additionalVSpace;

    }

    else

    {

      blank.attachMovie("step", "step" + i, i);

      eval("blank.step" + i).text = i;



      eval("blank.step" + i)._y = bHeight;

      bHeight += eval("blank.step" +i)._height + additionalVSpace;

      eval("blank.step" + i)._x = additionalHSpace;

    }

  }

  */

}



function scrollDisable()

{

    blank.scrollUp._visible = false;

    blank.scrollDown._visible = false;

    blank.scrollbar._visible = false;

}



function stepscrollUp()

{

//trace("buttonlist _y = " +blank.buttonlist._y);

//trace("buttonlist _height = " + blank.buttonlist._height);

//trace("buttonlist _y + _height = " + (blank.buttonlist._y + blank.buttonlist._height));



//trace("blank _y = " +blank._y);

//trace("blank _height = " + blank._height);

//trace("blank _y + _height = " + (blank._y + blank._height));

      if (blank.buttonlist._y <= -12)

      {

        blank.buttonlist._y = blank.buttonlist._y + 12;

        step_setSlider(blank.buttonlist);

      }

}



function stepscrollDown()

{

//trace("buttonlist _y = " +blank.buttonlist._y);

//trace("buttonlist _height = " + blank.buttonlist._height);

//trace("buttonlist _y + _height = " + (blank.buttonlist._y + blank.buttonlist._height));



trace("blank _y = " +blank._y);

trace("blank _height = " + blank._height);

trace("blank _y + _height = " + (blank._y + blank._height));



    if (blank.buttonlist._y +blank.buttonlist._height > 259)

    {

        blank.buttonlist._y = blank.buttonlist._y - 12;

        step_setSlider(blank.buttonlist);

    }

}



function step_setScroll(slider)

{

  //trace("Y = " +slider._y);





  _root.blank.buttonlist._y = (1-(slider._y/450) * (_root.blank.buttonlist._height-271.4));

  trace("buttonlist Y = " + _root.blank.buttonlist._y);

}



function step_setSlider(buttonlist)

{

  //trace("Y = " +slider._y);

  //trace("buttonlist Y = " + _root.menu.buttonlist._y);



  _root.blank.scrollbar.slider._y = (425 * ((Math.abs(_root.blank.buttonlist._y))/(_root.blank.buttonlist._height-271.4)));

  trace("buttonlist._y = " + _root.blank.buttonlist._y);

  trace("buttonlist._height = " + _root.blank.buttonlist._height);

  trace("scrollbar slider._y = " + _root.blank.scrollbar.slider._y);

  trace("scrollbar._height = " + _root.blank.scrollbar._height);

}



function stepClick(text)

{

    // reset the matrix check array

    matrix = null;

    var prevStep = _root.stepnum; // THIS is important for remembering the previous step.



    //check to see if he has clicked on the same step

    i = Number(text);

    if (_root.stepnum == i)

    {

        matrix = null;

        _root.showInstruction(_root.stepnum);

        return;

    }

    clickedButton = i;

    _root.stepnum = i;



    //begin loading the images is done here

    _root.loadImage(_root.stepnum, prevStep);

    //end loading the images is done here



    //check to see if the answer button is clicked if so then display the answer

    if (showAns == true)

    {

        //if it step zero then reset everything

        if (i > 0)

        {

            showAnswer(i);

        }

        else

        {

            _root.showInstruction(_root.stepnum);

            answerInitialize(false);

            _root.exitRouter();

            _root.menu.DoneButton.gotoAndPlay("Show");

            showAns = false;

            _root.ShowMe._visible = false;



            // miwang

            _root.coverButton(0);

        }

    }

    else

    {

        _root.goToNextStep(_root.stepnum, prevStep);



        //add for step 0

        _root.showInstruction(_root.stepnum);

        if (_root.stepnum == 0)

        {

            _root.exitRouter();

        }

        else

        {

            var rptr = eval("_root.r" + _root.VISIBLE_ROUTER);

            rptr.lineIndexCounter = 0;



            _root.commandline_setMode(_root.stepModeArray[_root.stepnum], _root.active_router);

            output_write("\n");

            _root.commandline_changeProcess("commandline_processCommandLine");

            _root.commandline_commandLine();

        }

    }

}



function coverButton(step)

{

    blank.buttonlist.stepblock._visible = true;

    blank.buttonlist.stepblock._x = eval("blank.buttonlist.step" + step)._x;

    blank.buttonlist.stepblock._y = eval("blank.buttonlist.step" + step)._y;

    blank.buttonlist.stepblock.text = step;

}



function stepRollOver()

{

/*

  x = _xmouse;

  y = _ymouse;



  for (i = 0; i <= totalSteps; i++)

  {

    found = eval("blank.buttonlist.step" + i).hitTest (x, y, false);

    if (found)

    {

      eval("blank.buttonlist.step" + i).gotoAndStop(2);

    }

  }

  */

}









function stepRollOut()

{

/*

  x = _xmouse;

  y = _ymouse;



  for (i = 0; i <= totalSteps; i++)

  {

    found = eval("blank.buttonlist.step" + i).hitTest (x, y, false);

    if (!found)

    {

      if (i != clickedButton)

        eval("blank.buttonlist.step" + i).gotoAndStop(1);

    }

  }

  */

}





function exitRouter()

{

    // normal exit

    var r = eval("_root.r" + _root.active_router);

    output_write("\n");

    r.userHistory = new Array();

    r.configHistory = new Array();

    _root.commandline_changeProcess("router_startup_processStartUp");

    eval("_root.r" + _root.active_router + ".router_startup") = false; // forcing to be restarted

    router_startup_checkStartUp();

    _root.disableAllSteps()

}





function disableAllButtons()

{

/*

  for (i = 1; i <= totalSteps; i++)

  {

      eval("blank.buttonlist.step" + i)._visible = false;

  } */

  blank.buttonlist.stepblock._visible = false;

}





function populateTopic()

{

    _root.menu.topicCovered = _root.chapterCovered ;

    if (_root.wantShowTopology == false)

        _root.menu.TopologyButton._visible = false;



}