Index: lams_central/web/includes/javascript/comments.js
===================================================================
diff -u -r5297fc67fa56d2984dfa874443ebcf7ddc6a0ca8 -r67f128090c1d1c1e8ec3b987477c17c7df8d6bdd
--- lams_central/web/includes/javascript/comments.js	(.../comments.js)	(revision 5297fc67fa56d2984dfa874443ebcf7ddc6a0ca8)
+++ lams_central/web/includes/javascript/comments.js	(.../comments.js)	(revision 67f128090c1d1c1e8ec3b987477c17c7df8d6bdd)
@@ -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");
+	}
+