Remove Preceeding Characters in XML string

I'd like to delete the first 16 characters of a text field from an xml file. I thought of replacing the first 16 characters with a blank but this stops the script.

Right now the page displays a catalog code like this: 23_99IBM_230_13_AJ

I'd like to just show the AJ.

Is there a better method?

//This needs to stay as is:

try { document.write(x[i].getElementsByTagName("CatalogCode")[0].childNodes[0].nodeValue); } catch(e){}; 

//This needs to remove the first 16 characters:

x.replaceData(0,16,"");

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jj1103Asked:
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leakim971Connect With a Mentor PluritechnicianCommented:
try { document.write(x[ i ].getElementsByTagName("CatalogCode")[0].childNodes[0].nodeValue).substr(16); } catch(e){};

http://www.w3schools.com/jsref/jsref_substr.asp
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jj1103Author Commented:
Tweaked it just a bit with an extra ) and it worked!

Thanks!
try { 
		document.write(x[i].getElementsByTagName("CatalogCode")[0].childNodes[0].nodeValue.substr(16)); 
		} catch(e){};

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