diff --git a/kadmos/graph/mixin_vistoms.py b/kadmos/graph/mixin_vistoms.py
index aa671389eed33aef365fb073fa3e6106dfbfbd5c..2e725b1ed0c9152c3e710ac5b200ad309fe8ef09 100644
--- a/kadmos/graph/mixin_vistoms.py
+++ b/kadmos/graph/mixin_vistoms.py
@@ -29,15 +29,15 @@ VISTOMS_NAME_TEMP = 'VISTOMS_Static.html'
 VISTOMS_TV_NAME_TEMP = 'VISTOMS_TreeViewer.html'
 
 LOCAL_PATH_PICTURES = os.path.join("file:static", "pictures")
-LOCAL_FILE_REFS = dict(REP__Acknowledgements__REP=os.path.join(LOCAL_PATH_PICTURES, "Acknowledgements.svg"),
-                       REP__AGILE_Icon__REP=os.path.join(LOCAL_PATH_PICTURES, "AGILE_Icon.png"),
-                       REP__AGILE_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "AGILE_Logo.png"),
-                       REP__Contact__REP=os.path.join(LOCAL_PATH_PICTURES, "Contact.svg"),
-                       REP__Home__REP=os.path.join(LOCAL_PATH_PICTURES, "Home.svg"),
-                       REP__RWTH_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "RWTH_Logo.svg"),
-                       REP__TUDelft_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "TUDelft_Logo.svg"),
-                       REP__Tutorial__REP=os.path.join(LOCAL_PATH_PICTURES, "Tutorial.svg"),
-                       REP__VISTOMS_Label__REP=os.path.join(LOCAL_PATH_PICTURES, "VISTOMS_Label.svg"))
+LOCAL_FILE_REFS = dict(REP__Acknowledgements__REP=os.path.join(LOCAL_PATH_PICTURES, "Acknowledgements.svg").replace('\\', '/'),
+                       REP__AGILE_Icon__REP=os.path.join(LOCAL_PATH_PICTURES, "AGILE_Icon.png").replace('\\', '/'),
+                       REP__AGILE_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "AGILE_Logo.png").replace('\\', '/'),
+                       REP__Contact__REP=os.path.join(LOCAL_PATH_PICTURES, "Contact.svg").replace('\\', '/'),
+                       REP__Home__REP=os.path.join(LOCAL_PATH_PICTURES, "Home.svg").replace('\\', '/'),
+                       REP__RWTH_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "RWTH_Logo.svg").replace('\\', '/'),
+                       REP__TUDelft_Logo__REP=os.path.join(LOCAL_PATH_PICTURES, "TUDelft_Logo.svg").replace('\\', '/'),
+                       REP__Tutorial__REP=os.path.join(LOCAL_PATH_PICTURES, "Tutorial.svg").replace('\\', '/'),
+                       REP__VISTOMS_Label__REP=os.path.join(LOCAL_PATH_PICTURES, "VISTOMS_Label.svg").replace('\\', '/'))
 
 
 
diff --git a/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.eot b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.eot
new file mode 100644
index 0000000000000000000000000000000000000000..b93a4953fff68df523aa7656497ee339d6026d64
Binary files /dev/null and b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.eot differ
diff --git a/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.ttf b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.ttf
new file mode 100644
index 0000000000000000000000000000000000000000..1413fc609ab6f21774de0cb7e01360095584f65b
Binary files /dev/null and b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.ttf differ
diff --git a/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff
new file mode 100644
index 0000000000000000000000000000000000000000..9e612858f802245ddcbf59788a0db942224bab35
Binary files /dev/null and b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff differ
diff --git a/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff2 b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff2
new file mode 100644
index 0000000000000000000000000000000000000000..64539b54c3751a6d9adb44c8e3a45ba5a73b77f0
Binary files /dev/null and b/kadmos/vistoms/static/pictures/glyphicons-halflings-regular.woff2 differ
diff --git a/kadmos/vistoms/templates/VISTOMS.html b/kadmos/vistoms/templates/VISTOMS.html
index f812b40b4d0ce207bbd453b90a9fff78664047a9..fd74668557f6e89cc9cf2bc73f9d245a79081486 100644
--- a/kadmos/vistoms/templates/VISTOMS.html
+++ b/kadmos/vistoms/templates/VISTOMS.html
@@ -50,6 +50,14 @@
 					} 
 				});
 			};
+            
+            /**
+             * Returns a random integer between min (inclusive) and max (inclusive)
+             * Using Math.round() will give you a non-uniform distribution!
+             */
+            function getRandomInt(min, max) {
+                return Math.floor(Math.random() * (max - min + 1)) + min;
+            }
 
             
             //aigner: General functions communicating with the user via bootbox after kadmos requests
@@ -19444,14 +19452,15 @@
                                                             {
                                                                 var headLine = "Tree Layout for category:\" " + category + "\", subcategory:\" " + sub_category + "\"";  
                                                                 var d3_body = d3.select("body");
-                                                                
-                                                                var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                                                                var lobiID = String(getRandomInt(0,1000))
+                                                                var divClassName = "treeDiv" + lobiID;
+                                                                var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+ " panel-default")
                                                                                                 .style("left","200px")
                                                                                                 .style("top","200px")
                                                                                                 .style("position", "absolute")
                                                                 treeLayoutdiv.append("div").attr("class","panel-heading")
                                                                     .append("div").attr("class","panel_title").append("h4").text(headLine)
-                                                                $('.treeDiv').lobiPanel({
+                                                                $('.' + divClassName).lobiPanel({
                                                                     reload: false,
                                                                     editTitle: false,
                                                                     unpin: false,
@@ -19460,10 +19469,10 @@
                                                                     minHeight: 200,
                                                                     maxHeight: 100000,
                                                                 });
-                                                                $('.treeDiv').lobiPanel('unpin');
+                                                                $('.'+divClassName).lobiPanel('unpin');
                                                                 var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
                                                                 var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-                                                                maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, varCategories[0].description);
+                                                                maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, varCategories[0].description);
                                                             }
                                                             
                                                             show_bootBox_listMessage(list);
@@ -20666,14 +20675,15 @@
 				{
                     var headLine = "Full data model tree view; Categorization: " + categoryDescr;
                     var d3_body = d3.select("body");
-                    
-                    var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                    var lobiID = String(getRandomInt(0,1000))
+                    var divClassName = 'treeDiv' + lobiID;
+                    var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
 													.style("left",(d3.event.pageX) + "px")
 													.style("top",(d3.event.pageY - 28) + "px")
 													.style("position", "absolute")
                     treeLayoutdiv.append("div").attr("class","panel-heading")
                         .append("div").attr("class","panel_title").append("h4").text(headLine)
-                    $('.treeDiv').lobiPanel({
+                    $('.' + divClassName).lobiPanel({
                         reload: false,
                         editTitle: false,
                         unpin: false,
@@ -20682,11 +20692,10 @@
                         minHeight: 200,
                         maxHeight: 100000,
                     });
-                    $('.treeDiv').lobiPanel('unpin');
-                    
+                    $('.'+divClassName).lobiPanel('unpin');
 					var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 					var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-					maketreeLayout(emptyArray, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aCategory);
+					maketreeLayout(emptyArray, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aCategory);
 				}
 				
 				var childrenItems = [];
@@ -20795,7 +20804,8 @@
                         
                         var headLine = name;
                         var d3_body = d3.select("body");
-                        var divClassName = "treeDiv";
+                        var lobiID = String(getRandomInt(0,1000))
+                        var divClassName = "treeDiv" + lobiID;
                         var treeLayoutdiv = d3_body.append("div").attr("class",divClassName + " panel-default")
                                                         .style("left",(d3.event.pageX) + "px")
                                                         .style("top",(d3.event.pageY - 28) + "px")
@@ -20814,7 +20824,7 @@
                         $('.'+divClassName).lobiPanel('unpin');
                         var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
                         var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-                        maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aCategory);
+                        maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aCategory);
 					}
 					//############################################################
 					
@@ -21204,8 +21214,8 @@
 					{
                         var headLine = "Tree view: " + data.from + "  →  " + data.to + "; Categorization: " + categoryDescr;
                         var d3_body = d3.select("body");
-                        
-                        var divClassName = "treeDiv";
+                        var lobiID = String(getRandomInt(0,1000))
+                        var divClassName = "treeDiv" + lobiID;
                         var treeLayoutdiv = d3_body.append("div").attr("class",divClassName + " panel-default")
                                                         .style("left",(d3.event.pageX) + "px")
                                                         .style("top",(d3.event.pageY - 28) + "px")
@@ -21224,7 +21234,7 @@
                         $('.'+divClassName).lobiPanel('unpin');
                         var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
                         var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-                        maketreeLayout(data.name, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aVarCategory);
+                        maketreeLayout(data.name, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aVarCategory);
 					}
 					
 					function showEdgeTable(anEdge)
@@ -21424,7 +21434,7 @@
 				}
 				
                
-				function maketreeLayout(pipeData, layout, svg, div, aName, aVarCategory)
+				function maketreeLayout(pipeData, layout, svg, div, aLobiID, aName, aVarCategory)
 				{			
                     var treeData = (JSON.parse(JSON.stringify(currentGraph.variableSchemes[aVarCategory])));				
                     //aigner: Build the tree layout                    
@@ -21667,8 +21677,8 @@
                         
                         newWidth=Math.max(newWidth,getTextWidth(aName,"Arial 12pt"));
                         //aigner: Adjust height and width of the frame
-                        $('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                        $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+                        $('.' + aLobiID).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                        $('.' + aLobiID).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
                         div = div.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
                         div = div.attr("width", newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp)
                             .on("mousedown", function(d) {
@@ -23605,13 +23615,15 @@
 				
 				//aigner: Here the tree layout is created
                 var d3_body = d3.select("body")
-                var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                var lobiID = String(getRandomInt(0,1000))
+                var divClassName = "treeDiv"+lobiID
+                var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
                                                 .style("left","200px")
                                                 .style("top","200px")
                                                 .style("position", "absolute")
                 treeLayoutdiv.append("div").attr("class","panel-heading")
                     .append("div").attr("class","panel_title").append("h4").text(theName)
-                $('.treeDiv').lobiPanel({
+                $('.'+divClassName).lobiPanel({
                     reload: false,
                     editTitle: false,
                     unpin: false,
@@ -23620,7 +23632,7 @@
                     minHeight: 200,
                     maxHeight: 100000,
                 });
-                $('.treeDiv').lobiPanel('unpin');										
+                $('.'+divClassName).lobiPanel('unpin');										
 				var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 				var treeGroup = treeLayoutSVG.append("g").attr("class","treeGroup").style("position","absolute")
 								.attr("transform", "translate(50,0)");
@@ -23778,8 +23790,8 @@
 					
 					newWidth=Math.max(newWidth,getTextWidth(theName,"Arial 12pt"));					
 					//aigner: Adjust height and width of the frame
-					$('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                    $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+					$('.'+divClassName).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                    $('.'+divClassName).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
 					treeLayoutSVG = treeLayoutSVG.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
 					treeLayoutSVG = treeLayoutSVG.attr("width", newWidth + margin.top + margin.bottom +300+maxLabelLength*25+offset_tmp)
 					frame = frame.attr("height", newHeight + margin.top + margin.bottom)
@@ -25849,7 +25861,7 @@
 						{
 							if (theLink.to == theNode.id)
 							{
-								array = array + ", " + theLink.name;
+								array = array + "," + theLink.name;
 							}
 							name_tmp = "Input tree view:" + theNode.id + "; Categorization: " + categoryDescr;
 						}
@@ -25857,7 +25869,7 @@
 						{
 							if (theLink.from == theNode.id)
 							{
-								array = array + ", " + theLink.name;
+								array = array + "," + theLink.name;
 							}
 							name_tmp = "Output tree view:" + theNode.id + "; Categorization: " + categoryDescr;
 						}
@@ -26163,13 +26175,15 @@
 				
 				//aigner: Here the tree layout is created
 				var d3_body = d3.select("body")
-                var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                var lobiID = String(getRandomInt(0,1000))
+                var divClassName = "treeDiv"+lobiID
+                var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
                                                 .style("left","200px")
                                                 .style("top","200px")
                                                 .style("position", "absolute")
                 treeLayoutdiv.append("div").attr("class","panel-heading")
                     .append("div").attr("class","panel_title").append("h4").text(theName)
-                $('.treeDiv').lobiPanel({
+                $('.'+divClassName).lobiPanel({
                     reload: false,
                     editTitle: false,
                     unpin: false,
@@ -26178,7 +26192,7 @@
                     minHeight: 200,
                     maxHeight: 100000,
                 });
-                $('.treeDiv').lobiPanel('unpin');
+                $('.'+divClassName).lobiPanel('unpin');
 										
 				var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 				var treeGroup = treeLayoutSVG.append("g").attr("class","treeGroup").style("position","absolute")
@@ -26337,8 +26351,8 @@
 					
                     newWidth=Math.max(newWidth,getTextWidth(theName,"Arial 12pt"));
 					//aigner: Adjust height and width of the frame
-					$('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                    $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+					$('.'+divClassName).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                    $('.'+divClassName).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
 					treeLayoutSVG = treeLayoutSVG.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
 					treeLayoutSVG = treeLayoutSVG.attr("width", newWidth + margin.top + margin.bottom +300+maxLabelLength*25+offset_tmp)
 					frame = frame.attr("height", newHeight + margin.top + margin.bottom)
diff --git a/kadmos/vistoms/templates/VISTOMS_Static.html b/kadmos/vistoms/templates/VISTOMS_Static.html
index 7af0313934001c6fb4c2c763b17095db7248e34f..0e245abdec5df75a6f27423fbb16f405d103d70e 100644
--- a/kadmos/vistoms/templates/VISTOMS_Static.html
+++ b/kadmos/vistoms/templates/VISTOMS_Static.html
@@ -1726,6 +1726,14 @@
 			};
             //##############################################################
             
+			/**
+             * Returns a random integer between min (inclusive) and max (inclusive)
+             * Using Math.round() will give you a non-uniform distribution!
+             */
+            function getRandomInt(min, max) {
+                return Math.floor(Math.random() * (max - min + 1)) + min;
+            }
+
             //aigner: Function to filter a list with a search
             //##############################################################
             function filterSearch() 
@@ -20021,14 +20029,15 @@
 				{
                     var headLine = "Full data model tree view; Categorization: " + categoryDescr;
                     var d3_body = d3.select("body");
-                    
-                    var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                    var lobiID = String(getRandomInt(0,1000))
+                    var divClassName = 'treeDiv' + lobiID;
+                    var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
 													.style("left",(d3.event.pageX) + "px")
 													.style("top",(d3.event.pageY - 28) + "px")
 													.style("position", "absolute")
                     treeLayoutdiv.append("div").attr("class","panel-heading")
                         .append("div").attr("class","panel_title").append("h4").text(headLine)
-                    $('.treeDiv').lobiPanel({
+                    $('.' + divClassName).lobiPanel({
                         reload: false,
                         editTitle: false,
                         unpin: false,
@@ -20037,11 +20046,10 @@
                         minHeight: 200,
                         maxHeight: 100000,
                     });
-                    $('.treeDiv').lobiPanel('unpin');
-                    
+                    $('.'+divClassName).lobiPanel('unpin');
 					var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 					var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-					maketreeLayout(emptyArray, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aCategory);
+					maketreeLayout(emptyArray, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aCategory);
 				}
 				
 				var childrenItems = [];
@@ -20134,7 +20142,7 @@
 								name = "Input tree view: " + k.id + "; Categorization: " + categoryDescr;
 								if (d.to == k.id)
 								{
-									array = array + ", " + d.name;
+									array = array + "," + d.name;
 								}
 							}
 							else if (io=="out")
@@ -20150,7 +20158,8 @@
                         
                         var headLine = name;
                         var d3_body = d3.select("body");
-                        var divClassName = "treeDiv";
+                        var lobiID = String(getRandomInt(0,1000))
+                        var divClassName = "treeDiv" + lobiID;
                         var treeLayoutdiv = d3_body.append("div").attr("class",divClassName + " panel-default")
                                                         .style("left",(d3.event.pageX) + "px")
                                                         .style("top",(d3.event.pageY - 28) + "px")
@@ -20169,7 +20178,7 @@
                         $('.'+divClassName).lobiPanel('unpin');
                         var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
                         var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-                        maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aCategory);
+                        maketreeLayout(array, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aCategory);
 					}
 					//############################################################
 					
@@ -20252,7 +20261,7 @@
                             minWidth: 200,
                             minHeight: 200,
                             maxWidth: 1100,
-                            maxHeight: 1100,
+                            maxHeight: 1200,
                         });
                         $('.myPanel').lobiPanel('unpin');
                     }
@@ -20374,8 +20383,8 @@
 					{
                         var headLine = "Tree view: " + data.from + "  →  " + data.to + "; Categorization: " + categoryDescr;
                         var d3_body = d3.select("body");
-                        
-                        var divClassName = "treeDiv";
+                        var lobiID = String(getRandomInt(0,1000))
+                        var divClassName = "treeDiv" + lobiID;
                         var treeLayoutdiv = d3_body.append("div").attr("class",divClassName + " panel-default")
                                                         .style("left",(d3.event.pageX) + "px")
                                                         .style("top",(d3.event.pageY - 28) + "px")
@@ -20394,7 +20403,7 @@
                         $('.'+divClassName).lobiPanel('unpin');
                         var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
                         var treeLayout = treeLayoutSVG.append("g").attr("class","treeLayout");
-                        maketreeLayout(data.name, treeLayout, treeLayoutSVG, treeLayoutdiv, headLine, aVarCategory);
+                        maketreeLayout(data.name, treeLayout, treeLayoutSVG, treeLayoutdiv, divClassName, headLine, aVarCategory);
 					}
 					
 					function showEdgeTable(anEdge)
@@ -20461,7 +20470,7 @@
                             minWidth: 200,
                             minHeight: 200,
                             maxWidth: 1100,
-                            maxHeight: 1100,
+                            maxHeight: 1200,
                         });
                         $('.myPanel').lobiPanel('unpin');
 					}
@@ -20510,7 +20519,8 @@
 					})
 				}
 				
-				function maketreeLayout(pipeData, layout, svg, div, aName, aVarCategory)
+               
+				function maketreeLayout(pipeData, layout, svg, div, aLobiID, aName, aVarCategory)
 				{			
                     var treeData = (JSON.parse(JSON.stringify(currentGraph.variableSchemes[aVarCategory])));				
                     //aigner: Build the tree layout                    
@@ -20520,8 +20530,7 @@
                     if (pipeData)
                     {
                         prune_tree(pipeData, treeData);
-                    }
-                    
+                    }                    
                     //build tree layout for vistoms
                     var newTree = {};
                     buildTree(newTree, treeData)                    
@@ -20754,8 +20763,9 @@
                         
                         newWidth=Math.max(newWidth,getTextWidth(aName,"Arial 12pt"));
                         //aigner: Adjust height and width of the frame
-                        $('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                        $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+                        console.log(aLobiID)
+                        $('.' + aLobiID).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                        $('.' + aLobiID).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
                         div = div.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
                         div = div.attr("width", newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp)
                             .on("mousedown", function(d) {
@@ -20947,7 +20957,7 @@
                                 minWidth: 200,
                                 minHeight: 200,
                                 maxWidth: 1100,
-                                maxHeight: 1100,
+                                maxHeight: 1200,
                             });
                             $('.myPanel').lobiPanel('unpin');
                         }
@@ -22471,13 +22481,15 @@
 				
 				//aigner: Here the tree layout is created
                 var d3_body = d3.select("body")
-                var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                var lobiID = String(getRandomInt(0,1000))
+                var divClassName = "treeDiv"+lobiID
+                var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
                                                 .style("left","200px")
                                                 .style("top","200px")
                                                 .style("position", "absolute")
                 treeLayoutdiv.append("div").attr("class","panel-heading")
                     .append("div").attr("class","panel_title").append("h4").text(theName)
-                $('.treeDiv').lobiPanel({
+                $('.'+divClassName).lobiPanel({
                     reload: false,
                     editTitle: false,
                     unpin: false,
@@ -22486,7 +22498,7 @@
                     minHeight: 200,
                     maxHeight: 100000,
                 });
-                $('.treeDiv').lobiPanel('unpin');										
+                $('.'+divClassName).lobiPanel('unpin');										
 				var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 				var treeGroup = treeLayoutSVG.append("g").attr("class","treeGroup").style("position","absolute")
 								.attr("transform", "translate(50,0)");
@@ -22644,8 +22656,8 @@
 					
 					newWidth=Math.max(newWidth,getTextWidth(theName,"Arial 12pt"));					
 					//aigner: Adjust height and width of the frame
-					$('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                    $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+					$('.'+divClassName).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                    $('.'+divClassName).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
 					treeLayoutSVG = treeLayoutSVG.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
 					treeLayoutSVG = treeLayoutSVG.attr("width", newWidth + margin.top + margin.bottom +300+maxLabelLength*25+offset_tmp)
 					frame = frame.attr("height", newHeight + margin.top + margin.bottom)
@@ -24715,7 +24727,7 @@
 						{
 							if (theLink.to == theNode.id)
 							{
-								array = array + ", " + theLink.name;
+								array = array + "," + theLink.name;
 							}
 							name_tmp = "Input tree view:" + theNode.id + "; Categorization: " + categoryDescr;
 						}
@@ -24723,7 +24735,7 @@
 						{
 							if (theLink.from == theNode.id)
 							{
-								array = array + ", " + theLink.name;
+								array = array + "," + theLink.name;
 							}
 							name_tmp = "Output tree view:" + theNode.id + "; Categorization: " + categoryDescr;
 						}
@@ -25029,13 +25041,15 @@
 				
 				//aigner: Here the tree layout is created
 				var d3_body = d3.select("body")
-                var treeLayoutdiv = d3_body.append("div").attr("class","treeDiv panel-default")
+                var lobiID = String(getRandomInt(0,1000))
+                var divClassName = "treeDiv"+lobiID
+                var treeLayoutdiv = d3_body.append("div").attr("class",divClassName+" panel-default")
                                                 .style("left","200px")
                                                 .style("top","200px")
                                                 .style("position", "absolute")
                 treeLayoutdiv.append("div").attr("class","panel-heading")
                     .append("div").attr("class","panel_title").append("h4").text(theName)
-                $('.treeDiv').lobiPanel({
+                $('.'+divClassName).lobiPanel({
                     reload: false,
                     editTitle: false,
                     unpin: false,
@@ -25044,7 +25058,7 @@
                     minHeight: 200,
                     maxHeight: 100000,
                 });
-                $('.treeDiv').lobiPanel('unpin');
+                $('.'+divClassName).lobiPanel('unpin');
 										
 				var treeLayoutSVG = treeLayoutdiv.append("svg").attr("class","treeLayoutSVG")
 				var treeGroup = treeLayoutSVG.append("g").attr("class","treeGroup").style("position","absolute")
@@ -25203,8 +25217,8 @@
 					
                     newWidth=Math.max(newWidth,getTextWidth(theName,"Arial 12pt"));
 					//aigner: Adjust height and width of the frame
-					$('.treeDiv').lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
-                    $('.treeDiv').lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
+					$('.'+divClassName).lobiPanel('setWidth', newWidth + margin.top + margin.bottom +400+maxLabelLength*25+offset_tmp);
+                    $('.'+divClassName).lobiPanel('setHeight', newHeight + margin.top + 2*margin.bottom+offset_tmp);
 					treeLayoutSVG = treeLayoutSVG.attr("height", newHeight + margin.top + margin.bottom+offset_tmp)
 					treeLayoutSVG = treeLayoutSVG.attr("width", newWidth + margin.top + margin.bottom +300+maxLabelLength*25+offset_tmp)
 					frame = frame.attr("height", newHeight + margin.top + margin.bottom)