diff --git a/lib/OpenLayers/Control/PanZoomBar.js b/lib/OpenLayers/Control/PanZoomBar.js
index 2d4635f98c..0c220a2c84 100644
--- a/lib/OpenLayers/Control/PanZoomBar.js
+++ b/lib/OpenLayers/Control/PanZoomBar.js
@@ -52,10 +52,12 @@ OpenLayers.Control.PanZoomBar.prototype =
         var imgLocation = OpenLayers.Util.getImagesLocation();
         
         var zoomStopSize = this.zoomStopHeight;
-        var slider = OpenLayers.Util.createAlphaImageDiv(imgLocation+"slider.png",
+        var id = "OpenLayers_Control_PanZoomBar_Slider" + this.map.id;
+        var slider = OpenLayers.Util.createAlphaImageDiv(id,
+                       centered.add(-1, (this.map.getZoomLevels())*zoomStopSize), 
                        new OpenLayers.Size(20,9), 
-                       centered.add(-1, (this.map.getZoomLevels())*zoomStopSize), "absolute",
-                       "OpenLayers_Control_PanZoomBar_Slider" + this.map.id);
+                       imgLocation+"slider.png",
+                       "absolute");
         slider.style.zIndex = this.div.zIndex + 5;
         this.slider = slider;
         
@@ -68,10 +70,13 @@ OpenLayers.Control.PanZoomBar.prototype =
         sz.h = zoomStopSize*(this.map.getZoomLevels()+1);
         sz.w = this.zoomStopWidth;
         var div = null
-        if ((document.body.filters && (version >= 5.5) && (version < 7))) {
-            div = OpenLayers.Util.createAlphaImageDiv(imgLocation+"zoombar.png", 
-                new OpenLayers.Size(sz.w, zoomStopSize),
-                centered, "absolute", "OpenLayers_Control_PanZoomBar" + this.map.id);
+        
+        if (OpenLayers.Util.alphaHack()) {
+            var id = "OpenLayers_Control_PanZoomBar" + this.map.id;
+            div = OpenLayers.Util.createAlphaImageDiv(id, centered,
+                                      new OpenLayers.Size(sz.w, zoomStopSize),
+                                      imgLocation + "zoombar.png", 
+                                      "absolute");
             div.style.height = sz.h;
         } else {
             div = OpenLayers.Util.createDiv(
@@ -80,6 +85,7 @@ OpenLayers.Control.PanZoomBar.prototype =
                         sz,
                         imgLocation+"zoombar.png");
         }
+        
         this.divEvents = new OpenLayers.Events(this, div);
         this.divEvents.register("mousedown", this, this.divClick);
         this.divEvents.register("mousemove", this, this.zoomBarDivDrag);