Letters won't go away as expected

My problem is in the following web page:

http://www.pinyinology.com/wheel/display/tryAgain2d.html

When clicking a 'display' button, some letters will appear in the cells. and go away when clicking the correspondent 'reset' button.  but some letters in the rectangle do not go.
fuli3665Asked:
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dvz-Commented:
for the forms with only 1 row of boxes, you're calling:

function showIt(){
  lno=0;
  show=1;
  showLetter();
}

And you're also calling "hideIt()":

function showIt(){
  lno=0;
  show=1;
  showLetter();
}

HOWEVER, for the 2 line entry, you're displaying it with the function "show2()":
function show2(){       
       lno=0;
       show=1;
       showLetter();
 
      window.setTimeout(function(){
            lno=0;
             show=1;
            loc++;
             showLetter();
      },300*text2beshown[loc].length)
}

but you're hiding it with "hideIt()" -the one use for single line...

what about creating a function hide2() for that case?  
function hide2(){       
       lno=0;
       show=0;
       showLetter();
 
      window.setTimeout(function(){
            lno=0;
             show=0;
            loc++;
             showLetter();
      },300*text2beshown[loc].length)
}

0

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dvz-Commented:
slight adjustment...my copy/paste messed up for copying "hideIt()"...
function hideIt(){
  lno=0;
  show=0;
  showLetter();
}

Just to be consistent.
0
dvz-Commented:
And a side-note - make sure to add a semi-colon to the end of this line as well in show2() and it's counterpart in hide2():

      window.setTimeout(function(){
            lno=0;
             show=1;
            loc++;
             showLetter();
      },300*text2beshown[loc].length)

0
fuli3665Author Commented:
good solution.
0
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