轉自 http://jaichang2008.pixnet.net/blog/post/25344846
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function checkID( id ) {
tab = "ABCDEFGHJKLMNPQRSTUVXYWZIO"
A1 = new Array (1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,3,3,3,3,3,3 );
A2 = new Array (0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5 );
Mx = new Array (9,8,7,6,5,4,3,2,1,1);