TableTools pdf not working well in hebrew

oCcSking

Hi all..
i try to export my table in pdf but i get alot of ?? ?
hare my semple sample ;)
[code]
$("table").dataTable(
{
"bJQueryUI": true,
"sPaginationType": "two_button",
"sDom": 'T<><"clear"><"H"lfr>t<"F"ip>',
//"sDom": 'T<"clear">lfrtip',
"oTableTools": {
"sSwfPath": "/Content/DataTables-1.8.2/extras/TableTools/media/swf/copy_cvs_xls_pdf.swf",
"aButtons": ["xls","pdf","print"]
}
});
});
[/code]
and here a link to the pdf created file
https://docs.google.com/file/d/0BxWpAttQo5u7R1Q2MFhSN01TekE/edit?usp=sharing

10x 4 eny help..