--- ui.droppable.js.orig	2008-04-02 14:48:31.000000000 +0100
+++ ui.droppable.js	2008-04-02 14:48:07.000000000 +0100
@@ -40,7 +40,7 @@
 		});
 		
 		//Store the droppable's proportions
-		this.proportions = { width: this.element.outerWidth(), height: this.element.outerHeight() };
+		this.recalcProportions();
 		
 		// Add the reference and positions to the manager
 		$.ui.ddmanager.droppables.push({ item: this, over: 0, out: 1 });
@@ -114,6 +114,9 @@
 		activate: function(e) {
 
 			var draggable = $.ui.ddmanager.current;
+			// recalculate proportions incase they've changed:
+			this.recalcProportions();
+
 			$.ui.plugin.call(this, 'activate', [e, this.ui(draggable)]);
 			if(draggable) this.element.triggerHandler("dropactivate", [e, this.ui(draggable)], this.options.activate);
 				
@@ -124,7 +127,10 @@
 			$.ui.plugin.call(this, 'deactivate', [e, this.ui(draggable)]);
 			if(draggable) this.element.triggerHandler("dropdeactivate", [e, this.ui(draggable)], this.options.deactivate);
 			
-		}
+		},
+		recalcProportions: function() {
+			this.proportions = { width: this.element.outerWidth(), height: this.element.outerHeight() };
+		},
 	});
 	
 	$.ui.intersect = function(draggable, droppable, toleranceMode) {
@@ -148,8 +154,10 @@
 					&&     y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
 				break;
 			case 'pointer':
-				return (   l < (draggable.positionAbs.left + draggable.clickOffset.left) && (draggable.positionAbs.left + draggable.clickOffset.left) < r
-					&& t < (draggable.positionAbs.top + draggable.clickOffset.top) && (draggable.positionAbs.top + draggable.clickOffset.top) < b);
+				var pX = draggable.positionAbs.left + draggable.clickOffset.left,
+				    pY = draggable.positionAbs.top + draggable.clickOffset.top;
+				return (   l < pX && pX < r
+					&& t < pY && pY < b);
 				break;
 			case 'touch':
 				return (   (l < x1 && x1 < r && t < y1 && y1 < b)    // Top-Left Corner
@@ -205,7 +213,6 @@
 		
 			//Run through all draggables and check their positions based on specific tolerance options
 			$.each($.ui.ddmanager.droppables, function() {
-
 				if(this.item.disabled) return false; 
 				var intersects = $.ui.intersect(draggable, this, this.item.options.tolerance);