document.write('<!-- Start Quantcast tag --> ');

_qoptions={
qacct:"p-185fl65Dy6rX2"
};
document.write('<!-- ');
document.write('<script type="text\/javascript" src="http:\/\/edge.quantserve.com\/quant.js"><\/scr'+'ipt> ');
document.write('<noscript> ');
document.write('<img src="http:\/\/pixel.quantserve.com\/pixel\/p-185fl65Dy6rX2.gif" style="display: none;" border="0" height="1" width="1" alt="Quantcast"\/> ');
document.write('<\/noscript> --> ');
document.write('<!-- End Quantcast tag --> ');

ENN_site = 'lni';
document.write('<div id="tnav"> ');
document.write(' <div id="top-sitelinks" style="float:right"> ');
document.write(' <a href="http:\/\/www.ecommercetimes.com\/">E-BUSINESS<\/a> | <a href="http:\/\/www.technewsworld.com\/">TECHNOLOGY<\/a> | <a href="http:\/\/classifieds.technewsworld.com\/">CLASSIFIEDS<\/a> | <a href="http:\/\/www.crmbuyer.com\/">CRM<\/a> | <a href="http:\/\/www.linuxinsider.com\/">LINUX<\/a> | <a href="http:\/\/www.macnewsworld.com\/">MAC<\/a> | <a href="http:\/\/www.ectnews.com\/" id="toprow-ennlink">ECTNEWS.COM<\/a> ');
document.write(' <\/div> ');
document.write(' Welcome | <a href=\'http:\/\/www.linuxinsider.com\/perl\/User.pl\'>Sign In<\/a> ');
document.write('<\/div> ');
document.write('<div id="container"> ');
document.write('<div id="toprow"> ');
document.write(' <a href="http:\/\/www.linuxinsider.com\/"><img src="http:\/\/www.linuxinsider.com\/images\/2008\/lni-logo.png" border="0" align="left" \/><\/a> ');
document.write(' <div id="adtitle" class="adtitle" style="padding-top:13px"> ');
document.write(' <\/div> ');
document.write('<\/div> ');
document.write('<div id="infospace"> ');
document.write('<div class="searchspace"> ');
document.write('<form class="searchspace" method="get" action="http:\/\/www.linuxinsider.com\/perl\/search.pl" > ');
document.write('<input type="image" class="searchbutton" src="http:\/\/www.linuxinsider.com\/images\/2008\/lni-search-tab.png" style="width:65px;height:17px" border="0" alt="Search" \/> <input type="text" name="query" class="searchbox" \/> ');
document.write('<\/form> ');
document.write('<\/div> ');
document.write('Resources ');
document.write('<\/div> ');
document.write(' <div id="topmenubar"> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/business_news\/">Business<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/financial-news\/">Financial News<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-legal\/">Legal<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-community\/">Community<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-developer\/">Developers<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/projects\/">Projects<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/desktop\/">Desktop<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/applications\/">Applications<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/distros\/">Distros<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-enterprise\/">Enterprise<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-infra\/">Infrastructure<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linux-security\/">Security<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/virtualization\/">Virtualization<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/mobile\/">Mobile<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/android\/">Android<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/open-source-mobile-apps\/">Mobile Apps<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/perl\/section\/linuxinsider-reviews\/">Reviews<\/a><\/li> ');
document.write(' <li style="float: right; width: auto;">&nbsp;Reader Services&nbsp; ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/perl\/User.pl">Account Management<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/about\/affiliates.xhtml">Become an Affiliate<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/perl\/board\/mboard.pl">Discussion<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/about\/newsalerts\/">News Alerts<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/perl\/newsletter_registration.pl">Newsletters<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/about\/link-to-us.xhtml#rss">RSS \/ <img style="vertical-align:middle" src="http:\/\/www.linuxinsider.com\/images\/2004\/xml_36x14.gif" border="0" alt=\'XML\' \/> Headline Feeds<\/a><\/li> ');
document.write(' <li><a>Site Maps<\/a> ');
document.write(' <ul> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/about\/network_map.xhtml">ECT News Network Map<\/a><\/li> ');
document.write(' <li class="hrule"><\/li> ');
document.write(' <li><a href="http:\/\/www.crmbuyer.com\/site_map\/">CRM Buyer Site Map<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.ecommercetimes.com\/site_map\/">E-Commerce Times Site Map<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.linuxinsider.com\/site_map\/">LinuxInsider Site Map<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.macnewsworld.com\/site_map\/">MacNewsWorld Site Map<\/a><\/li> ');
document.write(' <li><a href="http:\/\/www.technewsworld.com\/site_map\/">TechNewsWorld Site Map<\/a><\/li> ');
document.write(' <\/ul> ');
document.write(' <\/li> ');
document.write(' <li><a href="http:\/\/www.ectnews.com\/perl\/search.pl">Search ECT News Network<\/a><\/li> ');
document.write(' <\/ul> ');
document.write('<\/li> ');
document.write(' <li style="float: right;">|<\/li> ');
document.write(' <li style="float: right;"><a href="http:\/\/www.linuxinsider.com\/perl\/section\/tech-blog\/">Tech Blog<\/a><\/li> ');
document.write(' <\/ul> ');
document.write('<script type="text\/javascript" language="JavaScript1.2" src="http:\/\/www.linuxinsider.com\/shared\/sectionmenus.js"><\/scr'+'ipt> ');
document.write(' <\/div> ');
document.write('<div id="middlewrapper"> ');
document.write('<div id="breadcrumb"> ');
document.write('<!--<div id="snav" style=""><a href="http:\/\/www.linuxinsider.com\/perl\/board\/mboard.pl\/">DISCUSSION<\/a> | <a href="http:\/\/www.linuxinsider.com\/perl\/newsletter_registration.pl\/">NEWSLETTERS<\/a> | <a href="http:\/\/www.ectnews.com\/perl\/User.pl\/">ACCOUNT MGMT<\/a><\/div>--> ');
document.write('<div id="snav" style="">February 12, 2012 &nbsp; 04:13:55 PM PST<\/div> ');
document.write(' <!-- bc --> ');
document.write(' <span id="bcdata"> ');
document.write(' <a href="http:\/\/www.linuxinsider.com\/">LinuxInsider<\/a> &gt; Resources ');
document.write(' <\/span> ');
document.write(' <!-- \/bc --> ');
document.write('<\/div> ');
document.write('<!-- [% IF !NO_PRINTER_COPYRIGHT %] --> ');

document.write('<div class="printer-copyright">');
document.write('Please note that this material is copyright protected. It is illegal to display or reproduce this article without permission for any commercial purpose, including use as marketing or public relations literature. ');
document.write('To obtain reprints of this article for authorized use, please call a sales representative at (818) 461-9700 or visit <a href="http://www.ectnews.com/about/reprints/">http://www.ectnews.com/about/reprints/</a>.');
document.write('</div>');
document.write('<!-- [% END %] --> ');
document.write('<div id="content-main"> ');
document.write(' <div class="content-block"> ');
document.write(' <!-- content-main --> ');

