pls help - > how to use document.getElementsByTagName inside html:text

[john lee]

plain html file
      <input type='text' name='part'>
      i can use javascript to access "input" tag by 
          document.getElementsByTagName("INPUT");
   
  but for struts html file
      <html:text property="part">
     i can not use javascript to access "input" tag by
       either  
          document.getElementsByTagName("INPUT");
       or 
          document.getElementsByTagName("HTML:TEXT");
   
  Can anyone give me ur hand?
   
  tks in advance
   
  john
   

       
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