diff --git a/common/js/xml_js_filter.js b/common/js/xml_js_filter.js
index ea46bc304..d77b4149e 100644
--- a/common/js/xml_js_filter.js
+++ b/common/js/xml_js_filter.js
@@ -66,17 +66,20 @@ var Validator = xe.createApp('Validator', {
 		// hook form submit event
 		$('form')
 			.each(function(){
-				if (this.onsubmit) {
-					this['xe:onsubmit'] = this.onsubmit;
-					this.onsubmit = null;
+				if (this.onsubmit && !this.xe_js_filter_controlled) {
+					this.xe_js_filter_controlled = true;
+					if(!$.isFunction(this.onsubmit)) {
+						this['xe:onsubmit'] = this.onsubmit;
+						this.onsubmit = null;
+					}
 				}
 			})
 			.submit(function(){
 				var legacyFn = this['xe:onsubmit'];
 				var hasLegacyFn = $.isFunction(legacyFn);
-				var bResult = hasLegacyFn?legacyFn.apply(this):self.run(this);
+				var bResult = hasLegacyFn?false:self.run(this);
 
-				return false;
+				return bResult;
 			});
 	},
 	API_VALIDATE : function(sender, params) {