<?php $phpArray = array( 0 => "hiox.com", 1 => "hiox.org", 2 => "hscripts.com", 3 => "hibihi.com"); ?>
<script>
var jsArray = new Array();
<?php foreach( $phpArray as $key=>$value ) { ?>
jsArray['<?=$key;?>'] = '<?=$value;?>';
<?php } ?>
alert(jsArray);
</script>
"jsArray" will contain the same array as "phpArray".