diff --git a/client.js b/client.js
index c8f19b2e..a3fbc4c6 100644
--- a/client.js
+++ b/client.js
@@ -650,8 +650,13 @@ CloudClient._anyload = function(pParams_o)
                 element.onload = lFunc;
             /* if object - then onload or onerror */
             }else if (typeof lFunc === 'object') {
-                if(lFunc.onload)element.onload   = lFunc.onload;                
-                if(lFunc.onerror)element.onerror = lFunc.onerror;
+                if(lFunc.onload &&
+                    typeof lFunc.onload === 'function')
+                        element.onload   = lFunc.onload;
+                
+                if(lFunc.onerror &&
+                    typeof lFunc.onerror === 'function')
+                            element.onerror = lFunc.onerror;
             }
         
         if(pParams_o.style){