my %switch_hash = (
	    chrdex   => {
	       '01-AUG-02'  => 1,
	       '03-AUG-02'  => 3,
	    },
	    uslcgb5e2sm => {
	       '4-AUG-02'  => 1,
	       '6-AUG-02'  => 2,
	    },
	    uslecat2531 => {
	       '1-AUG-02'  => 1,
	       '2-AUG-02'  => 3,
	       '3-AUG-02'  => 1,
	       '4-AUG-02'  => .25,
	    },
       );