Dear All, I am trying to add recaptcha to the code below but i can't the contact page it's somethink like that. submit.asp file : .... function checktheform() { var error_msg = "0"; if (document.theform.user_lesseename.value=='') { document.getElementById("lbllessee").style.color = "#fdc110"; document.getElementById("user_lesseename").style.borderColor = "#fdc110"; error_msg = "1"; } else { ... return false; } else { document.getElementById("valid_msg").innerText = ''; return true; } } } ... <div id="valid_msg"></div> <form name="theform" method="post" action="sendmail.asp" onSubmit="return checktheform();"> <input type="hidden" name="sendmail" value="1"> <table width="490" border="0" cellpadding="0" cellspacing="0"> <tr> <td valign="top"> <table width="179" border="0" align="center" cellpadding="2" cellspacing="0" class="submit_air"> <tr valign="middle"> <td width="175" valign="top"><label id="lbllessee">1. Name of lessee:</label></td> </tr> <tr> ... </tr> <tr> <td valign="top" align="right"><input name="Submit" type="submit" class="form_sub" value="Send" style="cursorointer;" ID="Submit1"></td> </tr> </table> My question is , how i will add recaptcha? or any other captcha method with this coding form ? I was try to add simple captcha which just render the image from google server, but my DATA passed the form ignoring the Captcha field.