Sending URL in javascript:mailto body

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i'm sending a long URL in a javascript:mailto body
my problem is that the url is OK in the sender mailbox while it is received cut in the receiver mailbox and the second line is not an URL
for example :
i send :
"

http://www.xxxxx.xxxxx/xxxxxcxxcz?fkfkfk=fdlsd"

the received mail is like this:

http://www.xxxxx.xxxxx/xxxxxcxxcz?fkfk

fk=fdlsd
and "fk=fdlsd" is not shown as a part of the url which would give a wrong link.