JavaScript code for a simple form VALIDATION

JavaScript code  for a simple form VALIDATION


<html>
      <head>
      <title>Form Validation</title>
      
      <script type="text/javascript">
function validate()
      {
         if( document.myForm.Name.value == "" )
         {
            alert( "Please provide your name!" );
            document.myForm.Name.focus() ;
            return false;
         }
          if( document.myForm.EMail.value == "" )
         {
            alert( "Please provide your Email!" );
            document.myForm.EMail.focus() ;
            return false;
         }
         if( document.myForm.Zip.value == "" ||
         isNaN( document.myForm.Zip.value ) ||
         document.myForm.Zip.value.length != 5 )
         {
            alert( "Please provide a zip in the format #####." );
            document.myForm.Zip.focus() ;
            return false;
         }
         if( document.myForm.Country.value == "-1" )
         {
            alert( "Please provide your country!" );
            return false;
         }
         return( true );
      }
      </script>
      
   </head>
      <body>
      <form action="/cgi-bin/test.cgi" name="myForm" onsubmit="return(validate());">
         <table cellspacing="2" cellpadding="2" border="1">
            <tr>
               <td align="right">Name</td>
               <td><input type="text" name="Name" /></td>
            </tr>
            <tr>
               <td align="right">EMail</td>
               <td><input type="text" name="EMail" /></td>
            </tr>
             <tr>
               <td align="right">Zip Code</td>
               <td><input type="text" name="Zip" /></td>
            </tr>
                <tr>
               <td align="right">Country</td>
               <td>
                  <select name="Country">
                     <option value="-1" selected>[choose yours]</option>
                     <option value="1">USA</option>
                     <option value="2">UK</option>
                     <option value="3">INDIA</option>
                  </select>
               </td>
            </tr>
             <tr>
               <td align="right"></td>
               <td><input type="submit" value="Submit" /></td>
            </tr>
            
         </table>
      </form>
        </body>
       </html>

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