URGENT need script for CPU utilization

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# 1  
URGENT need script for CPU utilization

Hi All
I am new to production support on unix platform
I need a script for the following requirement:
to monitor CPU usage for all the time in a day on unix server.And it has to send mail if CPU hits 100% and the mail also contains which user,process occupying the maximum CPU usage.And if it contains the first 5 processes occupying the large CPU usage in addition it will be grateful.

Everything should be automatic action and in a single script.

Please help me...its emergencySmilie
# 2  
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