[Javascript] select all checkboxes script

[Michael Borchers]

please note that the input has to look this way in my case:

<input type="checkbox" name="myName[1]" id="myName[1]" value="1">
<input type="checkbox" name="myName[2]" id="myName[2]" value="1">

...

and then a simple

<input type="button" onclick="CheckAll(formName, checkboxName)">
OR
<input type="button" onclick="CheckAll(checkboxName)">

to select or to deselect the checkboxes.

thanks!
  ----- Original Message ----- 
  From: Michael Borchers 
  To: javascript at LaTech.edu 
  Sent: Friday, February 03, 2006 11:24 AM
  Subject: [Javascript] select all checkboxes script


  i need a little skript to check or uncheck all checkboxes on button click.

  the form name and / or the checkbox name should be parsed dynamically to the function

  function checkAll(formName, checkboxName)

  i tried to modify this function:
  function CheckAll()
  {
   if(document.form.ALL)
   {
    var c = document.form.ALL.checked;
   }
   for (var i=0;i<document.form.elements.length;i++)
   {
    var e = document.form.elements[i];

    if(e.name != 'ALL')
    {
     if((e.checked!=c) && (e.type=="checkbox"))
     {
      e.click();
       e.checked = c;
     }
    }
   }
  }

  but how can i parse the forms name?
  how about modifying the function without using a form name,
  only using the checkboxes name?

  thanks


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