Getting JavaScript to pause for 4 milliseconds

I need to try and block the timeout message box from appearing on the ecreen while my lengthy java script executes. I have heard there is a function such as SetTimeOut(), that lets me force it to pause a few milliseconds, thereby resetting the clock so the box wil not appear.

Please confirm this and provide me the syntax for this. I hear the first param is the function to call and the second it the number of ms to sleep.  

True?

What does the function need to do? Could it be empty?

Thanks.

newbiewebSr. Software EngineerAsked:
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Dave BaldwinFixer of ProblemsCommented:
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newbiewebSr. Software EngineerAuthor Commented:
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