Continental Air to Cut Jobs  NEW YORK (Reuters) - Continental Airlines Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CAL.N target=/stocks/quickinfo/fullquote"&gt;CAL.N&lt;/A&gt;  said on Thursday it plans to cut about 425 management and  clerical jobs through staff reductions, attrition and the  elimination of unfilled positions to save about \$200 million in  pretax costs.