Urgent help needed

[meldweny]

hi dear
thats my first thread here
i have a joomla site and it was working good
but few days ago my site shows blank page (only header and footer and when choose show page source it shows complete source without any problem ) this happens with ie7 and older with ie8 everything is ok
and with firfox and all other browser its ok too
thats my site url (its arabic language site)
http://badrashein.com
please help me and if you want source css i will post it
however its passed css validation with no major errors

[codejoust]

Try using Firebug Lite
to diagnose the issue in ie.

[meldweny]

i did but i can not find what exact reasons
or i can not use this plugin fine
also i try to use F12 in IE8 but same problem i do not how to use it exactly