diff --git a/productMods/js/visualization/mapofscience/ControlPanel.js b/productMods/js/visualization/mapofscience/ControlPanel.js
index c30cd91e..1d066ac8 100644
--- a/productMods/js/visualization/mapofscience/ControlPanel.js
+++ b/productMods/js/visualization/mapofscience/ControlPanel.js
@@ -21,7 +21,6 @@ var ControlPanel = Class.extend({
 			opt.jQueryDiv.addClass(opt.divClass);
 		}
 		this.div = opt.jQueryDiv[0];
-		opt.map.controls[opt.controlPositions].push(this.div);
 	},
 	getDiv: function() {
 		/* Allow to edit everything start from div level by returning div jquery object */
@@ -38,6 +37,14 @@ var ControlPanel = Class.extend({
 		if (div) {
 			div.style.display = "block";
 		}
+	},
+	addToMap: function() {
+		var opt = this.options;
+		opt.map.controls[opt.controlPositions].push(this.div);
+	},
+	removeFromMap: function() {
+		var opt = this.options;
+		opt.map.controls[opt.controlPositions].pop();
 	}
 });
 
@@ -141,6 +148,7 @@ var CopyrightPanel = ControlPanel.extend({
 	init: function(options) {
 		this._super(options);
 		this.initCopyRight();
+		this.addToMap();
 	},
 	initCopyRight: function() {
 		var me = this;
diff --git a/productMods/js/visualization/mapofscience/ErrorDisplayWidget.js b/productMods/js/visualization/mapofscience/ErrorDisplayWidget.js
index 19b9ac7a..1959505e 100644
--- a/productMods/js/visualization/mapofscience/ErrorDisplayWidget.js
+++ b/productMods/js/visualization/mapofscience/ErrorDisplayWidget.js
@@ -75,7 +75,7 @@ var ErrorDisplayWidget = Class.extend({
 			
 			var publicationsText = (responseData.pubsWithNoJournals > 1) ? "publications" : "publication";
 			
-			newErrorMessage += "<li>" + responseData.pubsWithNoJournals + " " + publicationsText + " with no journal" 
+			newErrorMessage += "<li>" + responseData.pubsWithNoJournals + " " + publicationsText + " have no journal" 
 				+ " information.</li>"
 				
 		}
diff --git a/productMods/js/visualization/mapofscience/InitializeMap.js b/productMods/js/visualization/mapofscience/InitializeMap.js
index b7a35534..96a421ac 100644
--- a/productMods/js/visualization/mapofscience/InitializeMap.js
+++ b/productMods/js/visualization/mapofscience/InitializeMap.js
@@ -1,7 +1,6 @@
 /* $This file is distributed under the terms of the license in /doc/license.txt$ */
 var map;
 var downloader;
-var sliderControl;
 var currentVisMode;
 var currentController;
 var visModeControllers = {};
@@ -63,18 +62,13 @@ function initMap() {
 	var mapName = 'Scimap';
 	createScimapType(map, mapName);
 	map.setMapTypeId(mapName);
-
-	sliderControl = new SliderControlPanel({ 
-		map:map, 
-		controlPositions: google.maps.ControlPosition.RIGHT_BOTTOM
-	});
 	
 	downloader = new DownloadManager();
 	
 }
 
 function initVisModeController() {
-	var controller = new EntityVisModeController(map, sliderControl);
+	var controller = new EntityVisModeController(map);
 	visModeControllers[controller.visMode] = controller;
 	switchVisMode(controller.visMode);
 	currentController.loadData(scienceMapDataURL, false);
diff --git a/productMods/js/visualization/mapofscience/ScimapWidget.js b/productMods/js/visualization/mapofscience/ScimapWidget.js
index 1bf7dadf..85611105 100644
--- a/productMods/js/visualization/mapofscience/ScimapWidget.js
+++ b/productMods/js/visualization/mapofscience/ScimapWidget.js
@@ -1,39 +1,61 @@
 /* $This file is distributed under the terms of the license in /doc/license.txt$ */
 
 var ScimapWidget = Class.extend({
-	init: function(map, sliderControl) {
+	init: function(map) {
 		var me = this;
 		me.activeManager = null;
 		me.isUnloaded = true;
 		me.map = map;
 		
-		me.sliderControl = sliderControl;
-		me.labelsMarkerManager = new DisciplineLabelsMarkerManager(map);
-		me.disciplineLabelsControl = new CheckBoxPanel({ 
-			map: map,
-			checked: true,
-			text: "Show discipline labels",
-			click: function() {
-				if($(this).attr('checked')) {
-					me.labelsMarkerManager.showMarkers();
-				} else {
-					me.labelsMarkerManager.hideMarkers();
-				}
-			}
-		});
 		me.initView();
 	},
 	initView: function(){
 		var me = this;
+		me.initControlPanels();
+		me.initMarkerManagers();
+		me.show(SCIMAP_TYPE.SUBDISCIPLINE);
+	},
+	initControlPanels: function() {
+		var me = this;
+		
+		/* Create slider control panel */
+		if (me.sliderControl == null) {
+			me.sliderControl = new SliderControlPanel({ 
+				map:me.map, 
+				controlPositions: google.maps.ControlPosition.RIGHT_BOTTOM
+			});
+		}
+		
+		/* Register event */
+		me.sliderControl.addToMap();
+		me.sliderControl.setChangeEventHandler(function(event, ui) {
+			if (me.keyToMarkerManagers) {
+				me.updateDisplayedMarkers(ui.value);
+			}
+		});
+		
+		/* create */
+		if (me.disciplineLabelsControl == null) {
+			me.labelsMarkerManager = new DisciplineLabelsMarkerManager(map);
+			me.disciplineLabelsControl = new CheckBoxPanel({ 
+				map: map,
+				checked: true,
+				text: "Show discipline labels",
+				click: function() {
+					if($(this).attr('checked')) {
+						me.labelsMarkerManager.showMarkers();
+					} else {
+						me.labelsMarkerManager.hideMarkers();
+					}
+				}
+			});
+		}
+		
 		/* Display labels if checked */
+		me.disciplineLabelsControl.addToMap();
 		if (me.disciplineLabelsControl.isChecked()) {
 			me.labelsMarkerManager.showMarkers();
 		}
-		me.initMarkerManagers();
-		me.sliderControl.setChangeEventHandler(function(event, ui) {
-			me.updateDisplayedMarkers(ui.value);
-		});
-		me.show(SCIMAP_TYPE.SUBDISCIPLINE);
 	},
 	initMarkerManagers: function() {
 		if (this.keyToMarkerManagers == null) {
@@ -146,23 +168,29 @@ var ScimapWidget = Class.extend({
 	hide: function(key) {
 		var manager = this.getMarkerManager(key);
 		if (this.activeManager == manager) {
-			this.cleanup();
+			this._cleanupMarkers();
 		}
 	},
 	_switchActiveManager: function(manager) {
 		if (this.activeManager != manager) {
-			this.cleanUp();
+			this._cleanUpMarkers();
 			manager.addMarkersToMap();
 			this.activeManager = manager;
 			this.updateMap();
 		}
 	},
-	cleanUp: function() {
+	_cleanUpMarkers: function() {
 		if (this.activeManager) {
 			this.activeManager.removeMarkersFromMap();
 			INFO_WINDOW.close();
 		}
 	},
+	cleanup: function() {
+		var me = this;
+		me._cleanUpMarkers();
+		me.sliderControl.RemoveFromMap();
+		me.disciplineLabelsControl.RemoveFromMap();
+	},
 	updateDisplayedMarkers: function(numberOfMarkers) {
 		this.activeManager.display(numberOfMarkers);
 	},
diff --git a/productMods/js/visualization/mapofscience/VisModeControllers.js b/productMods/js/visualization/mapofscience/VisModeControllers.js
index c9721348..e6d8d059 100644
--- a/productMods/js/visualization/mapofscience/VisModeControllers.js
+++ b/productMods/js/visualization/mapofscience/VisModeControllers.js
@@ -1,11 +1,46 @@
 /* $This file is distributed under the terms of the license in /doc/license.txt$ */
 var ENTITY_VIS_MODE = "ENTITY";
+var COMPARISON_VIS_MODE = "COMPARISON";
 
-var EntityVisModeController = Class.extend({
-	init: function(map, sliderControl) {
+var VisModeController = Class.extend({
+	init: function(map) {
 		this.visMode = ENTITY_VIS_MODE;
 		this.isUnloaded = true;
-		this.initWidgets(map, sliderControl);
+		this.initWidgets(map);
+	},
+	initWidgets: function(map) {
+		this.widgets = {};
+	},
+	needLoaded: function() {
+		return this.isUnloaded;
+	},
+	initView: function() {
+		$.each(this.widgets, function(i, widget) {
+			widget.initView();
+		});
+	},
+	// key can be discippline or subdiscipline
+	show: function(key) {
+		$.each(this.widgets, function(i, widget) {
+			widget.show(key);
+		});
+	},
+	hide: function(key) {
+		$.each(this.widgets, function(i, widget) {
+			widget.hide(key);
+		});
+	},
+	cleanUp: function() {
+		$.each(this.widgets, function(i, widget) {
+			widget.cleanUp(key);
+		});
+	}
+});
+
+var EntityVisModeController = VisModeController.extend({
+	init: function(map) {
+		this._super(map);
+		this.visMode = ENTITY_VIS_MODE;
 		this.initFilter();
 	},
 	initFilter: function() {
@@ -39,21 +74,13 @@ var EntityVisModeController = Class.extend({
 		/* Init default filter */
 		$("#" + dom.subdisciplinesFilterID).trigger('click');
 	},
-	initWidgets: function(map, sliderControl) {
+	initWidgets: function(map) {
 		var widgets = {};
-		widgets['scimap'] = new ScimapWidget(map, sliderControl);
+		widgets['scimap'] = new ScimapWidget(map);
 		widgets['sci_area_table'] = new DataTableWidget(widgets['scimap']);
 		
 		this.widgets = widgets;
 	},
-	needLoaded: function() {
-		return this.isUnloaded;
-	},
-	initView: function() {
-		$.each(this.widgets, function(i, widget) {
-			widget.initView();
-		});
-	},
 	loadData: function(url, sync) {
 		
 		// Download data from server and add to markerManager if not gotten already
@@ -139,21 +166,137 @@ var EntityVisModeController = Class.extend({
 		        }
 		    });
 		});
+	}
+});
+
+var ComparisonVisModeController = Class.extend({
+	init: function(map) {
+		this._super(map);
+		this.visMode = COMPARISON_VIS_MODE;
+		this.initFilter();
 	},
-	// key can be discippline or subdiscipline
-	show: function(key) {
-		$.each(this.widgets, function(i, widget) {
-			widget.show(key);
+	initFilter: function() {
+		var widgets = this.widgets;
+		var dom = {
+			disciplineFilterID: "discipline-filter",
+			subdisciplinesFilterID: "subdisciplines-filter",
+			filterOptionClass: "filter-option",
+			activeFilterClass: "active-filter"
+		};
+		
+		$("." + dom.filterOptionClass).live('click', function() {
+			if (!$(this).hasClass(dom.activeFilterClass)) {
+				if ($(this).attr('id') === dom.subdisciplinesFilterID) {
+					$("#" + dom.disciplineFilterID).removeClass(dom.activeFilterClass);
+					$.each(widgets, function(i, widget) {
+						widget.changeFilter(SCIMAP_TYPE.SUBDISCIPLINE);
+					});
+					
+				} else if ($(this).attr('id') === dom.disciplineFilterID) {
+					$("#" + dom.subdisciplinesFilterID).removeClass(dom.activeFilterClass);
+					$.each(widgets, function(i, widget) {
+						widget.changeFilter(SCIMAP_TYPE.DISCIPLINE);
+					});
+				}
+					
+				$(this).addClass('active-filter');	
+			}
 		});
+		
+		/* Init default filter */
+		$("#" + dom.subdisciplinesFilterID).trigger('click');
 	},
-	hide: function(key) {
-		$.each(this.widgets, function(i, widget) {
-			widget.hide(key);
+	initWidgets: function(map) {
+		var widgets = {};
+		widgets['scimap'] = new ScimapWidget(map);
+		widgets['sci_area_table'] = new DataTableWidget(widgets['scimap']);
+		
+		this.widgets = widgets;
+	},
+	loadData: function(url, sync) {
+		
+		// Download data from server and add to markerManager if not gotten already
+		var me = this;
+		if (me.isUnloaded) {
+			if (sync) {
+				downloader.downloadAndWait(url, function(data) {
+						me.loadJsonData(me, data);
+				});
+			} else {
+				downloader.download(url, function(data) {
+						me.loadJsonData(me, data);
+				});
+			}
+		} // end if
+	},
+	loadJsonData: function(me, data) {
+		
+		$("#" + responseContainerID).unblock();
+		
+		if (ERROR_DISPLAY_WIDGET.isErrorConditionTriggered(data)) {
+			$("#map-of-science-response").hide();
+			ERROR_DISPLAY_WIDGET.show(ENTITY_TYPE, data);
+			return;
+		}
+		
+		data = data[0];
+		
+		$.each(me.widgets, function(i, widget) {
+			widget.loadJsonData(data);
 		});
+		me.isUnloaded = false;
+		me.initToolTipInfo();
+		
 	},
-	cleanUp: function() {
-		$.each(this.widgets, function(i, widget) {
-			widget.cleanUp(key);
+	initToolTipInfo: function() {
+
+		$('.filterInfoIcon').each(function () {
+		    
+			var me = $(this);
+			
+			var tipText;
+		    var tipLocation = "topLeft";
+		    
+		    if (me.attr('id') == 'imageIconOne') {
+		        tipText = $('#toolTipOne').html();
+		    } else if (me.attr('id') == 'imageIconTwo') {
+		        tipText = $('#toolTipTwo').html();
+		    } else if (me.attr('id') == 'searchInfoIcon') {
+		        tipText = $('#searchInfoTooltipText').html();
+		    } else {
+		        tipText = $('#toolTipThree').html();
+		        tipLocation = "topRight";
+		    }
+		    
+		    me.qtip({
+		        content: {
+		            text: tipText
+		        },
+		        position: {
+		            corner: {
+		                target: 'center',
+		                tooltip: tipLocation
+		            }
+		        },
+		        show: {
+		            when: {
+		                event: 'mouseover'
+		            }
+		        },
+		        hide: {
+		            fixed: true // Make it fixed so it can be hovered over
+		        },
+		        style: {
+		            padding: '6px 6px',
+		            // Give it some extra padding
+		            width: 500,
+		            textAlign: 'left',
+		            backgroundColor: '#ffffc0',
+		            fontSize: '.7em',
+		            padding: '6px 10px 6px 10px',
+		            lineHeight: '14px'
+		        }
+		    });
 		});
 	}
 });
\ No newline at end of file