State :
Type1 :
Type2 :
Type3 :

Alaska Arizona
Type1 Alaska1 Type1 Arizona1
Type2 Alaska2 Type2 Arizona2
Type3 Alaska3 Type3 Arizona3


Alaska1 Alaska2 Alaska3 Arizona1 Arizona2 Arizona3
1.1 2.1 3.1 11.1 12.1 13.1
1.2 2.2 3.2 11.2 12.2 13.2
1.3 2.3 3.3 11.3 12.3 13.3
1.4 2.4 3.4 11.4 12.4
1.5 2.5 3.5 11.5 12.5

Above is the worksheet which i'm trying to solve.
When state "Alaska" is selected, Type 1 should list the values 1.1 -
1.5; Type 2 should list the values 2.1 - 2.5, so on
When State "Arizona" is selected, type 1 should list the values 11.1 -
11.5 and so on

Please help me on this.....