Dirty Form Check JavaScript Code

This javascript cut & paste code snippet checks if all your form field elements are filled in. If not the submit button will not be displayed. Netscape users will see an empty button until the form has been completed properly.

Insert this code into your HEAD of HTML

<script language="JavaScript" type="text/javascript">  </script>

Insert this code directly into your BODY tag

<body bgcolor="#ffffff" onLoad="checkform()">

Insert this code into your BODY section

<form NAME="myform" onSubmit="return oksubmit()" ACTION="mailto:isnotareal@emailadress.org" METHOD="POST"> <center><table BORDER="0" CELLSPACING="0" CELLPADDING="1"> <tr valign="top"> <td bgcolor="CCCCCC"> <font SIZE="1" face="ms sans serif">Name:</font></td> <td bgcolor="CCCCCC" align="right"><font SIZE="1" face="ms sans serif"><input NAME="lastname" type="Text" SIZE="30" MAXLENGTH="50"> </td> </tr> <tr valign="top"> <td bgcolor="CCCCCC"> <font SIZE="1" face="ms sans serif">First Name:</font></td> <td bgcolor="CCCCCC"><font SIZE="1" face="ms sans serif"><input NAME="firstname" type="Text" SIZE="30" MAXLENGTH="50"> </td> </tr> <tr valign="top"> <td bgcolor="CCCCCC"> <font SIZE="1" face="ms sans serif">Adress:</font></td> <td bgcolor="CCCCCC" align="right"><font SIZE="1" face="ms sans serif"><input NAME="adress" type="Text" SIZE="30" MAXLENGTH="50"> </td> </tr> <tr valign="top"> <td bgcolor="CCCCCC"> <font SIZE="1" face="ms sans serif">ZIP/City/Country:</font></td> <td bgcolor="CCCCCC"><table BORDER="0" CELLSPACING="0" CELLPADDING="0" width="100%"> <tr> <td bgcolor="CCCCCC"><font SIZE="1" face="ms sans serif"><input NAME="zip" type="Text" SIZE="4" MAXLENGTH="4"></td> <td bgcolor="CCCCCC" align="middle"><font SIZE="1" face="ms sans serif"><input NAME="city" type="Text" SIZE="15" MAXLENGTH="50"></td> <td bgcolor="CCCCCC" align="right"><font SIZE="1" face="ms sans serif"><input NAME="country" type="Text" SIZE="4" MAXLENGTH="4"> </td> </tr></table></td> </tr> <tr valign="top"> <td bgcolor="CCCCCC"> <font SIZE="1" face="ms sans serif">Email:</font></td> <td bgcolor="CCCCCC" align="right"><font SIZE="1" face="ms sans serif"><input NAME="email" type="Text" SIZE="30" MAXLENGTH="50"> </td> </tr> <td height="5" bgcolor="CCCCCC" colspan="2"></td> </tr></table></center> <div align="center" id="submitbutton" style="visibility:hidden"><center><table BORDER="0" CELLSPACING="0" CELLPADDING="0"> <tr valign="top"> <td align=middle><font SIZE="1" face="ms sans serif"><input NAME="submitbut" type="submit" value=" submit "></td> </tr> </table></center></div></form>

Simply Cut and Paste Script code
Be sure to properly place script position in HEAD & BODY sections of html
Example of this script running here

This script has been in the 24Fun.com Public Library.