Ubuntu 11.10 - How can i install xserver-xorg-input-evtouch? apt-cache search do not show up

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http://askubuntu.com – I have Elo touch screen, where i have been trying for long long time, which is failing. I now figure out that i have to use xserver-xorg-input-evtouch, which is the only one worked for many others. But while installing i do not find it under 11.10 and my system is 64-bit. (Evtouch installation for dual head 1 normal monitor, second one as touch screen, where cursor orientation is breaking.) (HowTos)