replace &lt; and &gt; with < and >

Hi,

I got a problem in my stylesheet.

The xml file is returned from a method is in a string format, and the xml 
file seems to encode all < and > using &lt; and &gt;. So, what I need to do 
is to convert that xml file from a string to a xml nodelist so I can access 
all the elements.
Then, first I need to replace all &lt; and &gt; to < and > and then use a 
method I wrote called parseXml which takes a string as parameter and 
convert it to a nodelist.
But I'm stuck on the first step which is converting all &lt; and &gt; to < 
and >.
Here is a sample of my xml file in a STRING:

&lt;record&gt;
&lt;items&gt;
&lt;/items&gt;
&lt;/record&gt;

Thanks in advance for your help.

Ming



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