Array Indexing Problem

hi,

Just facing a problem it will be great if u can help me out.

if I m using 08 and 09 in the array then its giving an error but no such error with other numbers not even with 8 and 9.
just here is an example to make easy to under stand my problem .

var my_array= new Array();
my_array[08]=“amrita”

trace(my_array[08])

Thanks
Amrita