disabling a button inside ajax panel not workig

[seco]

Hi

i have ajax panel and working good.

i want to disable a button after submit inside ajax panel

i try this code onsubmit event

document.getElementById('bupdate').disabled=true;

and also i try jquery but also the button is not disabled but the panel is working good on both times

 

so how to disable the button?

thanks in advance.

 

[Ken2k7]

That should work.