title: ZK setText or setValue on Span or in Javascript missing ID
body: <p>Hi guys i am new to ZK framework i have some dynamic Text from a compute in the DB only a number i have create a span element in my zul everything is all right so far but when i try to change the text on the span element through Javascript the ZK engine is generating a ID for the span every time unable me to set the value using javascript and span object have neither setValue or setText or setContent please help. how can i set the value on the span? thanks a lot a god bless.</p>