diff --git a/pylons_app/lib/helpers.py b/pylons_app/lib/helpers.py
--- a/pylons_app/lib/helpers.py
+++ b/pylons_app/lib/helpers.py
@@ -149,7 +149,7 @@ class _ToolTip(object):
                         var pos_y = YAHOO.util.Dom.getY(context);
 
                         var display_strategy = 'top';
-                        var xy_pos= [0,0]
+                        var xy_pos = [0,0];
                         switch (display_strategy){
                         
                             case 'top':
@@ -172,7 +172,12 @@ class _ToolTip(object):
                                 var cur_y = pos_y-((tt_h/2)-context_h/2);
                                 xy_pos = [cur_x,cur_y];                                
                                 break;
-                        
+                             default:
+                                var cur_x = (pos_x+context_w/2)-(tt_w/2);
+                                var cur_y = pos_y-tt_h-4;
+                                xy_pos = [cur_x,cur_y];                                
+                                break;                             
+                                 
                         }
 
                         this.cfg.setProperty("xy",xy_pos);
diff --git a/pylons_app/public/css/monoblue_custom.css b/pylons_app/public/css/monoblue_custom.css
--- a/pylons_app/public/css/monoblue_custom.css
+++ b/pylons_app/public/css/monoblue_custom.css
@@ -174,6 +174,7 @@ table tr.parity1 {
     border:2px solid #556CB5;
     font:100% sans-serif;
     width:auto;
+    opacity:1.0;
 }
 
 .yui-tt-shadow {
diff --git a/pylons_app/public/js/graph.js b/pylons_app/public/js/graph.js
--- a/pylons_app/public/js/graph.js
+++ b/pylons_app/public/js/graph.js
@@ -25,8 +25,8 @@ function BranchRenderer() {
 	
 	this.canvas = document.getElementById("graph_canvas");
 	
-	//if ($.browser.msie)
-	//	this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
+	if (navigator.userAgent.indexOf('MSIE') >= 0) 
+		this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
 	this.ctx = this.canvas.getContext('2d');
 	this.ctx.strokeStyle = 'rgb(0, 0, 0)';
 	this.ctx.fillStyle = 'rgb(0, 0, 0)';