Jquery One click File UPload

Jquery One click File UPload


Hello ,
I am using One click upload. how to set a param value dynamic.please
Help me ........
Dynamically How to passing these values id,mid
my mail id is susil.robin@gmail.com
function file($context){
$context.find("img.fico").upload({
name: 'file',
method: 'post',
enctype: 'multipart/form-data',
action: 'fileupload.do',
params: {id:<???>,mid<???>},
autoSubmit: true,
onSubmit: function() {}
});