Pulled up r679:r684 from trunk for the IE performance and bug fixes.

git-svn-id: http://svn.openlayers.org/branches/openlayers/1.0@685 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/MouseDefaults.js

@@ -55,6 +55,7 @@ OpenLayers.Control.MouseDefaults.prototype =
             this.zoomBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1;
             this.map.viewPortDiv.appendChild(this.zoomBox);
         }
+        document.onselectstart=function() { return false; }
         Event.stop(evt);
     },
 
@@ -111,6 +112,7 @@ OpenLayers.Control.MouseDefaults.prototype =
         } else {
             this.map.setCenter(this.map.center);
         }
+        document.onselectstart=null;
         this.mouseDragStart = null;
         this.map.div.style.cursor = "default";
     },

lib/OpenLayers/Control/MouseToolbar.js

@@ -164,6 +164,7 @@ OpenLayers.Control.MouseToolbar.prototype =
                 this.map.div.style.cursor = "move";
                 break;
         }
+        document.onselectstart = function() { return false; } 
         Event.stop(evt);
     },
 
@@ -247,6 +248,7 @@ OpenLayers.Control.MouseToolbar.prototype =
                 this.map.setCenter(this.map.center);
             
         }
+        document.onselectstart = null;
         this.mouseDragStart = null;
         this.map.div.style.cursor = "default";
     },

lib/OpenLayers/Layer/Grid.js

@@ -146,7 +146,7 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
                                         new OpenLayers.Pixel(tileoffsetx - parseInt(this.map.layerContainerDiv.style.left),
                                                              tileoffsety - parseInt(this.map.layerContainerDiv.style.top))
                                                             );
-                tile.draw();
+                tile.draw((this.params.TRANSPARENT == 'true'));
                 row.append(tile);
      
                 tileoffsetlon += tilelon;       
@@ -181,7 +181,7 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
             bounds.top = bounds.top + deltaLat;
             position.y = position.y + deltaY;
             var newTile = this.addTile(bounds, position);
-            newTile.draw();
+            newTile.draw((this.params.TRANSPARENT == 'true'));
             newRow.append(newTile);
         }
         
@@ -215,7 +215,7 @@ OpenLayers.Layer.Grid.prototype = Object.extend( new OpenLayers.Layer(), {
             bounds.right = bounds.right + deltaLon;
             position.x = position.x + deltaX;
             var newTile = this.addTile(bounds, position);
-            newTile.draw();
+            newTile.draw((this.params.TRANSPARENT == 'true'));
             
             if (prepend) {
                 row = row.prepend(newTile);

lib/OpenLayers/Layer/WMS.js

@@ -47,7 +47,7 @@ OpenLayers.Layer.WMS.prototype =
      * @type Boolean
      */
     isBaseLayer: function() {
-        return (this.params.TRANSPARENT != true);
+        return (this.params.TRANSPARENT != 'true');
     },
     
     /**

lib/OpenLayers/Tile/Image.js

@@ -35,12 +35,20 @@ OpenLayers.Tile.Image.prototype =
 
     /**
     */
-    draw:function() {
-        this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
-                                                       this.position,
-                                                       this.size,
-                                                       this.url,
-                                                       "absolute");
+    draw:function(transparent) {
+        if (transparent) {
+            this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
+                                                           this.position,
+                                                           this.size,
+                                                           this.url,
+                                                           "absolute");
+        } else {
+            this.imgDiv = OpenLayers.Util.createImage(null,
+                                                      this.position,
+                                                      this.size,
+                                                      this.url,
+                                                      "absolute");
+        }
         this.layer.div.appendChild(this.imgDiv);
     },