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Dynamic array and dynamic javascript select menu


somedude

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If i have a dynamically generated PHP array like so
[table]
[tr]
[td][b]Column1[/b][/td]
[td][b]Column2[/b][/td]
[/tr]
[tr]
[td]Company1[/td]
[td]Pants[/td]
[/tr]
[tr]
[td]Company1[/td]
[td]Socks[/td]
[/tr]
[tr]
[td]Company1[/td]
[td]Shoes[/td]
[/tr]
[tr]
[td]Company2[/td]
[td]Pants[/td]
[/tr]
[tr]
[td]Company2[/td]
[td]Socks[/td]
[/tr]
[tr]
[td]Company2[/td]
[td]Hats[/td]
[/tr]
[tr]
[td]Company3[/td]
[td]Belts[/td]
[/tr]
[/table]

Is it technically possible to create 2 select menus that function like this -> One select menu will list the values in Column1 (with no duplicates). When i select a value from select menu 1 like Company2, select menu 2 will fill up with Pants, Socks, Hats.

Logically, is it possible, because i just can't get my head around it.

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