Tutorial for 2 ISP with failover

There are 2 Internet provider, the first primary, secondary backup channel.
First give a static ip, second have a internal ip from router. I need to configure fault tolerance by ping.
Try to make failover from http://wiki.mikrotik.com/wiki/Advanced_Routing_Failover_without_Scripting#Multiple_host_checking_per_Uplink, unfortunately did not get to make it work.
Try to use scripting in the same result.

My knowledge does not allow to make it by myself, can anyone help me?

If you want some short notes , read following

http://aacable.wordpress.com/2013/04/12/mikrotik-multiple-wan-fail-over-scripts/

Thank you. Today try to configure.