Thank you for replies.
And now... we have the real big problem:
If the values in the column dateline are in russian language... like:
01 дек 2009, 22:22
How can i convert these data to the Unix time?,because the system not recognize the cirilic characters, means that first i need to change them to the format 01/12/2009 for example. Of course i am using the UTF-8 charset.
If somebody is so valerous to reply to this question i will be grateful for all life :-)
Thanks in advance.