Index: lams_central/web/includes/javascript/comments.js
===================================================================
RCS file: /usr/local/cvsroot/lams_central/web/includes/javascript/comments.js,v
diff -u -r1.3.2.3 -r1.3.2.4
--- lams_central/web/includes/javascript/comments.js	18 Jan 2016 03:26:27 -0000	1.3.2.3
+++ lams_central/web/includes/javascript/comments.js	20 Apr 2016 02:58:10 -0000	1.3.2.4
@@ -42,3 +42,16 @@
     		alert(errorCannotRedisplayMessage);
     	} 
 	}
+
+	/** Disable the submit button when pressed to stop double submission. disabled = true doesn't stop the link working it just
+	 * greys it out. So we need to test with isDisabled() in the submit methods too! Messy. */
+	function disableButton(buttonId) {
+		$("#"+buttonId).attr("disabled", true); 
+	}
+	function isDisabled(buttonId) {
+		return $("#"+buttonId).attr("disabled");
+	}
+	function enableButton(buttonId) {
+		$("#"+buttonId).removeAttr("disabled");
+	}
+