variables - js more then one Value not gate from out side in javascript -

<script type="text/javascript">  var my_site = 'katzbb.com'; var ex_domains = "['phaze.co'],['katzddl.org']"; </script> 

and in url: add http://*/pcloud.php these code & call url .js

var exclude_domains = [['lx5.in'],['backlink.lx5.in'],ex_domains,[my_site]]; 

what i'm doing wrong need print ex_domains value ['phaze.co'],['katzddl.org'] pleas me.

is want ?

var my_site = 'katzbb.com'; var ex_domains = ['phaze.co','katzddl.org']; var exclude_domains = ['lx5.in','backlink.lx5.in'];  var excluded = exclude_domains.concat(ex_domains,my_site); 

http://jsfiddle.net/qlaxc/