Fix IE11 problem with default function param

script/Appilcation.js

@@ -720,13 +720,23 @@ Application.prototype.GetAdjacencyMatrix = function ()
 	return this.graph.GetAdjacencyMatrixStr();
 }
 
-Application.prototype.TestAdjacencyMatrix = function (matrix, rowsObj, colsObj, separator = ",")
+Application.prototype.TestAdjacencyMatrix = function (matrix, rowsObj, colsObj, separator)
 {
+    if(separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	return this.graph.TestAdjacencyMatrix(matrix, rowsObj, colsObj, separator);
 }
 
-Application.prototype.SetAdjacencyMatrix = function (matrix, separator = ",")
+Application.prototype.SetAdjacencyMatrix = function (matrix, separator)
 {
+    if(separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	var res = true;
     var r = {};
 	var c = {};
@@ -778,8 +788,13 @@ Application.prototype.Test = function ()
 
 
 
-Application.prototype.SetAdjacencyMatrixSmart = function (matrix, separator = ",")
+Application.prototype.SetAdjacencyMatrixSmart = function (matrix, separator)
 {
+    if (separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	var res = false;
 	if (this.TestAdjacencyMatrix(matrix, {}, {}, separator))
         {

script/BaseEdgeDrawer.js

@@ -82,8 +82,13 @@ var selectedEdgeStyles = [new SelectedEdgeStyle0(), new SelectedEdgeStyle1(),
 	new SelectedEdgeStyle2(), new SelectedEdgeStyle3(), new SelectedEdgeStyle4()];
 
 
-function BaseEdgeDrawer(context, drawObjects = null)
+function BaseEdgeDrawer(context, drawObjects)
 { 
+  if (drawObjects === undefined) 
+  {
+    drawObjects = null;
+  }
+    
   this.context = context;
     
   this.drawObject = null;

script/EdgeModel.js

@@ -86,8 +86,13 @@ EdgeModel.prototype.HitTest = function(position1, position2, mousePos)
 }
 
 
-EdgeModel.prototype.HitTestLine = function(position1, position2, mousePos, factor = 1.0)
+EdgeModel.prototype.HitTestLine = function(position1, position2, mousePos, factor)
 {
+    if (factor === undefined) 
+    {
+      factor = 1.0;
+    }
+    
     var pos1 = position1;
     var pos2 = position2;
     var pos0 = mousePos;

script/EventHandlers.js

@@ -825,8 +825,13 @@ SavedDialogGraphImageHandler.prototype.pathObjects = null;
 // Objects.
 SavedDialogGraphImageHandler.prototype.objects    = null;
 
-SavedDialogGraphImageHandler.prototype.show = function(object, isFull = false)
+SavedDialogGraphImageHandler.prototype.show = function(object, isFull)
 {
+    if (isFull === undefined) 
+    {
+      isFull = false;
+    }
+    
     var showDialogCallback = function ()
     {
         var dialogButtons = {};

script/Graph.js

@@ -203,8 +203,13 @@ Graph.prototype.GetAdjacencyMatrix = function ()
     return matrix;
 }
 
-Graph.prototype.TestAdjacencyMatrix = function (matrix, rowsObj, colsObj, separator = ",")
+Graph.prototype.TestAdjacencyMatrix = function (matrix, rowsObj, colsObj, separator)
 {
+    if(separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	var bGoodFormat = true;
 	rowsObj.rows = [];
 	rowsObj.rows = matrix.split ("\n");
@@ -450,8 +455,13 @@ Graph.prototype.VertexesReposition = function (viewportSize, newVertexes)
    }
 }
 
-Graph.prototype.SetAdjacencyMatrix = function (matrix, viewportSize, currentEnumVertesType, separator = ",")
+Graph.prototype.SetAdjacencyMatrix = function (matrix, viewportSize, currentEnumVertesType, separator)
 {
+    if (separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	var rowsObj = {};
 	var colsObj = {};
 
@@ -512,8 +522,13 @@ Graph.prototype.SetAdjacencyMatrix = function (matrix, viewportSize, currentEnum
 }
 
 
-Graph.prototype.TestIncidenceMatrix = function (matrix, rowsObj, colsObj, separator = ",")
+Graph.prototype.TestIncidenceMatrix = function (matrix, rowsObj, colsObj, separator)
 {
+    if (separator === undefined) 
+    {
+      separator = ",";
+    }
+    
 	var bGoodFormat = true;
 	rowsObj.rows = [];
 	rowsObj.rows = matrix.split ("\n");
@@ -691,8 +706,13 @@ Graph.prototype.GetIncidenceMatrix = function ()
 	return matrix;
 }
 
-Graph.prototype.SplitMatrixString = function (line, separator = ",")
+Graph.prototype.SplitMatrixString = function (line, separator)
 {
+  if (separator === undefined) 
+  {
+    separator = ",";
+  }
+    
   var res = [];
   var i = 0;