Pb Norton SystemWorks 2002 sous Win98SE

Je rencontre des problèmes avec Norton SystemWorks 2002
Système d'exploitation : Win 98 SE (léger et rapide)
Linux est plus fiable que Bill

C:\Program Files\Norton SystemWo...\Norton AntiVirus/Navui.dll
scan.js voir source ci dessous

Onglet à gauche : Analyse Anti-virus
Statut OK => Bug => Erreur de script => Permission refusée
Débogage
Analyse antivirus => Erreur Ligne 80 'null' n'est pas 1 objet
------------------------------------------------------------------
Voici source

// Disable Drag-and-drop support
document.ondragstart = function(){return false;}

// The g_fStartingScan variable is used to disable the launching of new scans
// for a bit after it has been pressed.  It's a hack to get around not knowing
// when we are currently executing a scan.
var g_fStartingScan = false;

// Currently selected row, if any.
var g_CurrentRow;

// MessageBox() Flags
var MB_OK =                     0x00000000;
var MB_OKCANCEL =               0x00000001;
var MB_ABORTRETRYIGNORE =       0x00000002;
var MB_YESNOCANCEL =            0x00000003;
var MB_YESNO =                  0x00000004;
var MB_RETRYCANCEL =            0x00000005;

var MB_ICONHAND =               0x00000010;
var MB_ICONQUESTION =           0x00000020;
var MB_ICONEXCLAMATION =        0x00000030;
var MB_ICONASTERISK  =          0x00000040;

var MB_USERICON =               0x00000080;
var MB_ICONWARNING =            MB_ICONEXCLAMATION;
var MB_ICONERROR =              MB_ICONHAND;

var MB_ICONINFORMATION =        MB_ICONASTERISK;
var MB_ICONSTOP =               MB_ICONHAND;

var IDOK =              1;
var IDCANCEL =          2;
var IDABORT =           3;
var IDRETRY =           4;
var IDIGNORE =          5;
var IDYES =             6;
var IDNO =              7;

function onNew(){
	document.frames("frmScanTasksList").createTask ();
}

function onEdit(){
         // We store the tasks by name, but that can change here. So we 
        // store the row number, which won't change, then rebuild the
	// row.
	var iTaskIndex = NAVScanTasks.TaskIndex(g_CurrentRow.strScanTask);
	NAVScanTasks(g_CurrentRow.strScanTask).Edit();
	document.frames("frmScanTasksList").clearRow ( g_CurrentRow );
	var strNewName = NAVScanTasks(iTaskIndex).TaskName;
	document.frames("frmScanTasksList").makeTask ( strNewName, g_CurrentRow );
}

function onDelete(){
	// Prompt users to see if they really want to delete the task
	//
	iMsgBoxReturn = webWnd.MsgBox(strAreYouSureDeleteTask.innerText, strNortonAntiVirus.innerText, MB_YESNO | MB_ICONINFORMATION);

	if (iMsgBoxReturn == IDYES){
		document.frames("frmScanTasksList").deleteTask ( g_CurrentRow );
	}
}

function onSchedule(){
NAVScanTasks(g_CurrentRow.strScanTask).Schedule(false);
	document.frames("frmScanTasksList").clearRow ( g_CurrentRow );
	document.frames("frmScanTasksList").makeTask ( g_CurrentRow.strScanTask, g_CurrentRow );
}

// Partie qui bug !!!!!!!!!!!!!!!

function ListFocus () {
	var row = document.frames("frmScanTasksList").ScanTasksList.rows.item(0);
	row.onclick ();                                             // BUGS ???
	//row.cells(1).focus (); // doesn't work anyway
} 

function ScanDisableDelay(){
   // Let the scan now button be pressed again.
   g_fStartingScan = false;
}

function onScan (){
   if (!g_fStartingScan) {
      // Disable the button for until our timeout happens.
      // This prevents people from clicking the button again and
      // launching another scan.  It's not perfect but it deters
      // the customer from pressing it again for a bit.
      g_fStartingScan = true;
               
	   NAVScanTasks(g_CurrentRow.strScanTask).Scan();

	   window.setTimeout("ScanDisableDelay()",1000)
	}
}

---------------------------------------------------------
Source de Scan_list.js (Navui.dll)

// Disable Drag-and-drop support
document.ondragstart = function(){return false;}

// Globals
var g_TR_ID_Counter = 0;

var g_bSchedulerInstalled = 0;

function OnExit ()
{
	//alert ("Exiting");
	for (i=0; i < ScanTasksList.rows.length; i++)	{
		var varTR = ScanTasksList.rows.item (i);
		varTR.strScanTask = null;
		clearRow ( varTR );
	}

	//CollectGarbage ();
}

function ShowScanTasks2() { 
   var i=0;
   document.write("<tr>");
   document.write("<td>");
   document.write("Line " + i++);
   document.write("</td>");
   document.write("</tr>");
   document.write("<tr><td class='dashlinedim'>");
   document.write('<img src="spacer.gif" width="1" height="1" border="0" alt="">');
   document.write("</td></tr>");
}

function ScanTask()
{
   this.TaskName = "Not set";
   this.TaskType = 0;
   this.Scheduled = 0;
}

function document_onkeydown() 
{
   //Support for keyup and keydown for navigating the scan list
   if (event.keyCode == 38)
   {
      //Up arrow pressed
      var thisRow = null;
      for (i=0; i< ScanTasksList.rows.length; i++)
      {
         if (parent.g_CurrentRow == ScanTasksList.rows(i))
         {
            thisRow = ScanTasksList.rows(i);
            break;
         }
      }
      
      if (thisRow != null && i > 0 )
      {
		 ScanTasksList.rows(i-2).onclick()
         event.cancelBubble = false;
      }
   }
   else if (event.keyCode == 40)
   {
      //Down arrow pressed
      var thisRow = null;
      for (i=0; i< ScanTasksList.rows.length; i++)
      {
         if (parent.g_CurrentRow == ScanTasksList.rows(i))
         {
            thisRow = ScanTasksList.rows(i);
            break;
         }
      }
      
      if (thisRow != null && i < (ScanTasksList.rows.length-1) )
      {
		 ScanTasksList.rows(i+2).onclick()
         event.cancelBubble = false;
      }
   }
}

//Not all tasks are available when there is no selection.
//Once an item has been selected, this function enables all
//the commands.
function EnableSpecificTaskCommands(strScanTask)
{
	if ( parent.NAVScanTasks(strScanTask).CanEdit )
	{
		parent.TaskCommandsOn.style.display = "block";
		parent.TaskCommandsOff.style.display = "none";
	}
	else
	{
		parent.TaskCommandsOn.style.display = "none";
		parent.TaskCommandsOff.style.display = "block";
	}

	// Scheduler installed, able to schedule, and no "access denied"
    // errors from the scheduler (i.e. someone already has it scheduled)
    //    
	if ( g_bSchedulerInstalled && parent.NAVScanTasks(strScanTask).CanSchedule && parent.NAVScanTasks(strScanTask).Scheduled != -1)
	{
		parent.ScheduleButtonOn.style.display = "block";
		parent.ScheduleButtonOff.style.display = "none";
	}
	else
	{
		parent.ScheduleButtonOn.style.display = "none";
		parent.ScheduleButtonOff.style.display = "block";
	}
};

function findRow(e)
{
  if (e.tagName == "TR") {
    return e;
  }
  else if (e.tagName == "BODY") {
    return null;
  }
  else {
    return findRow(e.parentElement);
  }
}


function TROnFocusInside()
{
	//ASZ 5-25-01, IE4.01 does not allow setting varTR.id during
	//runtime and does not support innerHTML during load time.
	//This means we need to find a new way to locate the row that
	//contains our button.  Now we are using the DOM to find the
	//TR element that contains our button.
		   
   e = window.event.srcElement;
   r = findRow(e);
   if (r != null)
   {
	  r.onclick();
   }
}

function ScanDisableDelay()
{
   // Let the scan now button be pressed again.
   parent.g_fStartingScan = false;
}

function LaunchScanDelay( strScanName )
{
   parent.NAVScanTasks(strScanName).Scan();
}

function LaunchScan( strScanName, iDelay )
{
   if (!parent.g_fStartingScan)
   {
      // Disable the button for until our timeout happens.
      // This prevents people from clicking the button again and
      // launching another scan.  It's not perfect but it deters
      // the customer from pressing it again for a bit.
      parent.g_fStartingScan = true;
               
	   if (iDelay)
	   {
	      window.setTimeout("LaunchScanDelay(\'" + strScanName+ "\')", iDelay);
	   }
	   else
	   {
		  parent.NAVScanTasks(strScanName).Scan();
	   }

	   window.setTimeout("ScanDisableDelay()",1000)
	}
}

// Populate the scan tasks table
function ShowScanTasks(){
	g_bSchedulerInstalled = Scheduler.Installed;        

    //ASZ 5-03-2001
    //Create outer loop for sorting the list.  This is not very
    //efficient but it's fast to code and we're dealing with
    //UI code here so simplicity wins over speed.
    for (var iSort = 1; iSort <= 9; iSort++)
    {
    
      for (var i = 0, varCount = parent.NAVScanTasks.Count; i < varCount; i++)
      {
        // Does this task match our sort order?
		//
        if (parent.NAVScanTasks(i).TaskType == iSort)
        {
			insertTask ( parent.NAVScanTasks(i).TaskName );

        } // end of if (varScanTask.TaskType == iSort)
      }  // end of for (var i = 0, varCount = parent.NAVScanTasks.Count; i < varCount; i++)
	}  // end of for iSort
}  // end of function ShowScanTasks()

function insertTask ( strScanTask )
{
	with (document.all.ScanTasksList)
	{
		// Insert the dotted spacer line if we aren't at the beginning
		//
		if ( g_TR_ID_Counter > 0 )
		{
			var varTRSpacer = insertRow();
			var varTDSpacer = varTRSpacer.insertCell();
			varTDSpacer.colSpan = 5;
			varTDSpacer.className = 'dashlinedim';
			varTDSpacer.innerHTML = '<img src="spacer.gif" width="1" height="1" border="0" alt="">';
		}

		// Add a row to the table
		//
		var varTR = insertRow();
		g_TR_ID_Counter = g_TR_ID_Counter + 1;
		
		makeTask ( strScanTask, varTR );

		return varTR;
	}
}

// Deletes all cell data in a row
//
function clearRow ( varTR )
{
	//with (document.all.ScanTasksList)
	{
		for ( var iCell = 0; varTR.cells.length; iCell++ )
		{
			varTR.deleteCell();
		}
	}
}

function deleteTask ( varTR )
{
	parent.NAVScanTasks.Delete ( varTR.strScanTask );
	document.all.ScanTasksList.deleteRow (varTR.rowIndex-1); // the spacer above
	document.all.ScanTasksList.deleteRow (varTR.rowIndex); 
	
	// Select the top row now
	//
	document.all.ScanTasksList.rows(0).onclick ();	
}

function onRowClick()
{
	EnableSpecificTaskCommands(this.strScanTask);

	if (parent.g_CurrentRow)
	parent.g_CurrentRow.style.backgroundColor = 'transparent';
	this.style.backgroundColor = '#cee3ff';
	parent.g_CurrentRow = this;
}

function onRowDblClick()
{
   LaunchScan(this.strScanTask, 0);
}

function onScheduleClick()
{
	// You *can* delete in the Show of MS Task Scheduler
	//
   e = window.event.srcElement;
   r = findRow(e);
   if (r != null)
   {
	   parent.NAVScanTasks(r.strScanTask).Schedule(false);
	   clearRow ( r );
	   makeTask ( r.strScanTask, r );
   }
}

function makeTask ( strScanTask, varTR )
{
	// Yes it does...process it.

    //var varName = parent.NAVScanTasks(strScanTask).TaskName;
	var varName = strScanTask;

	var varScriptName = "empty";

    // Escape the backslash double quote (") and single quote (') so it
    // appears correctly in a script.
	varScriptName = strScanTask.replace(/(["'])/g, '\\$1');

	var varListImage;
	
    //
    //ASZ 5-03-2001: See ScanTask.h for enum SCANTASKTYPE
    //
           
    // Set the image to display on the button
    switch(parent.NAVScanTasks(strScanTask).TaskType)
    {
		case 1:
			//Matches with enum SCANTASKTYPE scanComputer (Currently not used)
			varListImage = 'comp.gif';
			break;
		case 2:
			//Matches with enum SCANTASKTYPE scanHardDrives (My Computer)
			varListImage = 'comp.gif';
			break;
		case 3:
			//Matches with enum SCANTASKTYPE scanRemovable
			varListImage = 'remove.gif';
			break;
		case 4:
	        //Matches with enum SCANTASKTYPE scanAFloppy
			varListImage = 'floppy.gif';
			break;
       case 5:
			//Matches with enum SCANTASKTYPE scanSelectedDrives
			varListImage = 'drives.gif';
			break;
       case 6:
			//Matches with enum SCANTASKTYPE scanFolder
			varListImage = 'folder.gif';
			break;
       case 7:
			//Matches with enum SCANTASKTYPE scanFiles
			varListImage = 'files.gif';
			break;
       case 8:
			//Matches with enum SCANTASKTYPE scanCustom
			varListImage = 'virus_loupe.gif';
			break;
       default:
			varListImage = '';
			break;
	}  // end of switch(varScanTask.TaskType)

	// I don't like storing the task multiple times. Is
	// there a better way?
	//
	varTR.strScanTask = strScanTask;

	// Hilite row when clicked

   varTR.onclick = onRowClick;

    //Scan the item.
   varTR.ondblclick = onRowDblClick;

    varTR.title = idtxt_title_scanline.title;

	//First column, spacer image
	//<td width="9" height="24"><IMG alt="" border=0 height=24 src="spacer.gif" width=9></td>
	var varTDSpacerFront = varTR.insertCell();
	varTDSpacerFront.width = "9";
	varTDSpacerFront.height = "24";
	varTDSpacerFront.className = 'clsImage';
	varTDSpacerFront.innerHTML = '<IMG alt="" border=0 height=24 src="spacer.gif" width=9>'


	// First column - Type/Run button
	var varTD1 = varTR.insertCell();
	varTD1.width="18";
	varTD1.className = 'clsImage';
	varTD1.align = 'left';
	varTD1.style.vAlign= 'top';
	// Show a task run button
	
	//These used to be buttons but now we just have an image.
	//I have left the code here just incase we decide to change
	//it back to a button.
	//varTD1.innerHTML = '<button style="cursor:hand" onFocus="TROnFocusInside()" onClick="parent.NAVScanTasks(\'' + varScriptName + '\').Scan();"><img src="' + varListImage + '"></button>';
	varTD1.innerHTML = '<a><img TABINDEX=0 href="#" style="cursor:hand" onFocus="TROnFocusInside()" onClick="LaunchScan(\'' + varScriptName + '\', 250)" src="' + varListImage + '"></a>';
	varTD1.title = idtxt_title_scanitem.title;

	//Another spacer image
	//<td width="13"><IMG alt="" border=0 height=24 src="spacer.gif" width=9></td>
	var varTDSpacerMiddle = varTR.insertCell();
	varTDSpacerMiddle.width = "13";
	varTDSpacerMiddle.className = 'clsImage';
	varTDSpacerMiddle.innerHTML = '<IMG alt="" border=0 height=24 src="spacer.gif" width=9>'

	// Second column - Description
	var varTD2 = varTR.insertCell();
	varTD2.className = 'clsText';
	varTD2.innerText = varName;

	if ( g_bSchedulerInstalled )
	{
		// Third column - Scheduling Icon
		var varTD3 = varTR.insertCell();
		varTD3.className = 'clsImage';
		varTD3.align = 'center';
		varTD3.vAlign= 'center';

  	    var scheduled = parent.NAVScanTasks(varTR.strScanTask).Scheduled;

		// Show the scheduling button
	   if (  parent.NAVScanTasks(varTR.strScanTask).CanSchedule && scheduled != -1 )
	   {
			varTD3.onclick = onScheduleClick;

           switch(scheduled)
		   {
                case 1:
					varTD3.innerHTML = '<img style="cursor:hand" src="scheduled.gif">'
					break;
				case 0:
					varTD3.innerHTML = '<img style="cursor:hand" src="not_scheduled.gif">'
					break;
			}  // end of switch(varScanTask.Scheduled)
			varTD3.title = idtxt_title_scheduleitem.title;
		}
	}
	varName = "";
	varScriptName = "";
}

function createTask ()
{
	var taskNew = parent.NAVScanTasks.Create ();
	
	if ( taskNew )
	{
		// Add to the end.
		//
		var newrow = insertTask ( taskNew.TaskName );
		
		newrow.onclick();
	}
}