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Showing posts from November 21, 2009

select all checkboxes in single check

<html> <title> select all checkboxes in single check </title>  <head>  <script language=javascript> checked=false; function checkedAll (form1) {     var aa= document.getElementById('form1');      if (checked == false)           {            checked = true           }         else           {           checked = false           }     for (var i =0; i < aa.elements.length; i++)     {      aa.elements[i].checked = checked;     }       } </script </head>  <body> <form name="form1" method="post" id="form1"> <table>     <tr>        <td><input type='checkbox' name='checkall' onclick='checkedAll(form1);'> </td>     </tr>     <tr>     <td> </td>     </tr>     <tr>     <td>Checkbox1: <input type='checkbox' name='chk'value=""> </td>     <