communcation date & doctype check timestamp if not deleted error

public/js/wn/views/communication.js

@@ -10,10 +10,9 @@ wn.views.CommunicationList = Class.extend({
 			return;
 		}
 		
-		var sortfn = function (a, b) { return new Date(a.modified) > new Date(b.modified) 
-			? -1 : 1}
+		var sortfn = function (a, b) { return (b > a) ? 1 : -1; }
 		this.list = this.list.sort(sortfn);
-				
+
 		this.make();
 	},
 	make: function() {

webnotes/model/wrapper.py

@@ -118,6 +118,9 @@ class ModelWrapper:
 				SELECT modified FROM `tab%s` WHERE name="%s" for update"""
 				% (self.doc.doctype, self.doc.name))
 
+			if not tmp:
+				webnotes.msgprint("""This record does not exist. Please refresh.""", raise_exception=1)
+
 			if tmp and str(tmp[0][0]) != str(self.doc.modified):
 				webnotes.msgprint("""
 				Document has been modified after you have opened it.