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Form Using Mailto: - Validation
Netscape Only No Example
Insert into <HEAD>
<script language="JavaScript"> <!-- Hide from old browsers function validate_form() { validity = true; // assume valid if (!check_empty(document.form.NAME.value)) { validity = false; alert('Name field is empty!'); } if (!check_email(document.form.EMAIL.value)) { validity = false; alert('Email address is invalid!'); } if (!check_url(document.form.URL.value)) { validity = false; alert('URL field is invalid!'); } if (!check_empty(document.form.DESCRIPTION.value)) { validity = false; alert('Description field is empty!'); } if (validity) alert ("Needed entries have been verified. " + "Your form is now being passed to your browser's " + "Mail Delivery Sub-System."); return validity; } function check_empty(text) { return (text.length > 0); // returns false if empty } function check_email(address) { if ((address == "") || (address.indexOf ('@') == -1) || (address.indexOf ('.') == -1)) return false; return true; } function check_url(address) { if ((address == "") || (address.indexOf ('http://') == -1) || (address.indexOf ('.') == -1)) return false; return true; } // --> </script>
Insert into <BODY>
<form name="form" method="post" action="YOUR EMAIL ADDRESS ?SUBJECT=YOUR SUBJECT" enctype="text/plain" onSubmit="return validate_form()"> Name:<br><input type="text" size=50 name="NAME"><br> Email:<br><input type="text" size=50 name="EMAIL"><br> URL:<br><input type="text" size=50 name="URL"><br> Description:<br><TEXTAREA NAME="DESCRIPTION" ROWS=8 COLS=50 wrap=virtual></TEXTAREA><br> <input type="submit" name="submit" value="Submit"> <input type="reset" value="Reset"></form>
Other Options