Index: dojo-release-1.3.2-src/dojo/dnd/Selector.js
===================================================================
--- dojo-release-1.3.2-src.orig/dojo/dnd/Selector.js	2010-04-20 06:53:44.000000000 -0700
+++ dojo-release-1.3.2-src/dojo/dnd/Selector.js	2010-04-20 06:53:54.000000000 -0700
@@ -258,12 +258,18 @@
 	// utilities
 	onOverEvent: function(){
 		// summary: this function is called once, when mouse is over our container
-		this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
+		// compensate onmouseover and onmouseout events sometimes get lost
+		if (!this.onmousemoveEvent) {
+			this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
+		}
 	},
 	onOutEvent: function(){
 		// summary: this function is called once, when mouse is out of our container
-		dojo.disconnect(this.onmousemoveEvent);
-		delete this.onmousemoveEvent;
+		// compensate onmouseover and onmouseout events sometimes get lost
+		if (this.onmousemoveEvent) {
+			dojo.disconnect(this.onmousemoveEvent);
+			delete this.onmousemoveEvent;
+		}
 	},
 	_removeSelection: function(){
 		// summary: unselects all items