Index: ui.dialog.js
===================================================================
--- ui.dialog.js	(revision 4770)
+++ ui.dialog.js	(working copy)

@@ -154,7 +166,12 @@
 			}
 			top = top < doc.scrollTop() ? doc.scrollTop() : top;
 			uiDialog.css({top: top, left: left});
-			uiDialog.show();
+			if(options.show){
+				options.show(uiDialog);
+			}
+			else{
+				uiDialog.show();
+			}
 			self.moveToTop();
 			self.activate();
 			
@@ -188,7 +205,12 @@
 		
 		this.close = function() {
 			this.overlay && this.overlay.destroy();
-			uiDialog.hide();
+			if(options.hide){
+				options.hide(uiDialog);
+			}
+			else{
+				uiDialog.hide();
+			}
 
 			// CALLBACK: close
 			var closeEV = null;
@@ -216,7 +238,9 @@
 			position: 'center',
 			resizable: true,
 			width: 300,
-			zIndex: 1000
+			zIndex: 1000,
+			show:false,
+			hide:false
 		},
 		
 		overlay: function(dialog) {