search with miltiple criteria on other sheet

hi guys

first sorry for my english

i need some help
at1.xls

in first sheet (tr) have a table with 2 parameters: "ids" (A5) and "s" (B1:B8), the second sheet (data) is a data sheet contains 3 datas: "s", "ids", "zat". now on first sheet to the "zat" collumn need to past the value from "zat" collumn on data sheet where "ids" collumn macthing with A5 from first sheet and "s" collum mathing with "s" data from the first sheet.

any idea?

again: sorry for my english

thx