prova così:

codice:
var menu1=new Array();
<?php
while($vaRow6=mysql_fetch_array($vlQry6,MYSQL_ASSOC)){
?>
menu1[<?echo $numero;?>]="','','location=no,scrollbars=yes,resizable=yes,width=700,height=700')><?echo $vaRow6[mese].$vaRow6[anno];?>";
<?php $numero++;
} 
?>