IDOC filtering

Hi ,

my requirment is like this iam in out bound side,there are two reciver systems like x and y.when the user can create tne new customer this time needs to be generate the idoc and in case any changes is performed for existed vendors this time also needs to be generate the changed idoc fileds.comming to the reciver systems there A is the key field,if A=1 it goes to X or if A = 2 it goes to Y,are if A = 1 and 2 this time it will goes to both respective systems.

here one more condition if it is vendor account group is 'bbbb' than only the above mentioned idocs will be generated.

one more requirment is these idocs will generate background job schduling,once in day for changed existed vendors and once in a week for all vendors.

plz help me regarding

regards

siva