[SOLVED] passing an array for jQuery.ajax data field

Hello,

How can I pass an array for JQuery.ajax data field ?

I have an array called "ize" and i could not convert for post. I got "undefined=undefined" or similar results.
Pls check this pic

http://img848.imageshack.us/img848/8066/image000hd.png

Thanks in advance, Csaba