Form getting submited multiple times + Struts 2.1 +Ajax

Hi,

I am trying to submit form using ajax.

i am using struts 2.1 & tiles.

but my form is getting submited multiple times. i am not able to figure out. Please help me on the same.

bellow is my form which makes the ajax call

as i am using tiles <d: head tag is placed in the layout form.

Bellow is my layout form.

Thanks

can you try with
loadingText="false"

caught... there were multiple ajax div tags.