Index: lams_tool_kaltura/web/WEB-INF/tags/AuthoringButton.tag
===================================================================
diff -u -r08a45e4407f4200f34653a91d402ac4ad2f43f50 -r237e2c7fc44894d61b9d9eca57b9d1fcf036aa39
--- lams_tool_kaltura/web/WEB-INF/tags/AuthoringButton.tag	(.../AuthoringButton.tag)	(revision 08a45e4407f4200f34653a91d402ac4ad2f43f50)
+++ lams_tool_kaltura/web/WEB-INF/tags/AuthoringButton.tag	(.../AuthoringButton.tag)	(revision 237e2c7fc44894d61b9d9eca57b9d1fcf036aa39)
@@ -83,7 +83,11 @@
 		}
 	}
     function doSubmit_Form_Only() {
-    	document.getElementById("${formID}").submit();
+    	var form = document.getElementById("${formID}");
+    	//invoke onsubmit event if it's available, submit form afterwards
+    	if (form.onsubmit == null || (form.onsubmit != null) && form.onsubmit()) {
+    		form.submit();
+    	}
     }
     function doCancel() {
     	if(confirm("<fmt:message key='${cancelConfirmMsgKey}'/>")){
Index: lams_tool_scratchie/web/WEB-INF/tags/AuthoringButton.tag
===================================================================
diff -u -r08a45e4407f4200f34653a91d402ac4ad2f43f50 -r237e2c7fc44894d61b9d9eca57b9d1fcf036aa39
--- lams_tool_scratchie/web/WEB-INF/tags/AuthoringButton.tag	(.../AuthoringButton.tag)	(revision 08a45e4407f4200f34653a91d402ac4ad2f43f50)
+++ lams_tool_scratchie/web/WEB-INF/tags/AuthoringButton.tag	(.../AuthoringButton.tag)	(revision 237e2c7fc44894d61b9d9eca57b9d1fcf036aa39)
@@ -83,7 +83,11 @@
 		}
 	}
     function doSubmit_Form_Only() {
-    	document.getElementById("${formID}").submit();
+    	var form = document.getElementById("${formID}");
+    	//invoke onsubmit event if it's available, submit form afterwards
+    	if (form.onsubmit == null || (form.onsubmit != null) && form.onsubmit()) {
+    		form.submit();
+    	}
     }
     function doCancel() {
     	if(confirm("<fmt:message key='${cancelConfirmMsgKey}'/>")){