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POAjax form validation
 

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    <p>I have created an form validation using ajax/php. Each text box is validated using a different file e.g. username_ajax.php. Once the information has been checked to be ok it is then echoed on screen ("Username ok"). I cannot figure out how to allow the user to only press the submit button once all text boxes are 'ok'. Any help will be appreciated, Thanks.</p> <p>My code (Sorry its long): </p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt; &lt;title&gt;Sign-up&lt;/title&gt; &lt;/head&gt; &lt;script type="text/javascript"&gt; function username(username) { var httpRequest; make_request() function stateck() { if(httpxml.readyState==4) { document.getElementById ("user_div").innerHTML=httpxml.responseText; } } httpxml.onreadystatechange=stateck; user_url="ajax_username.php?username=" + username.value; httpxml.open("GET",user_url,true); httpxml.send(null); } function email(email) { var httpRequest; make_request() function stateck() { if(httpxml.readyState==4) { document.getElementById("email_div").innerHTML=httpxml.responseText; } } httpxml.onreadystatechange=stateck; email_url="ajax_email.php?value=" + email.value; httpxml.open("GET",email_url,true); httpxml.send(null); } function confirm(password,conpassword) { var httpRequest; make_request() function stateck() { if(httpxml.readyState==4) { document.getElementById("conpass_div").innerHTML=httpxml.responseText; } } httpxml.onreadystatechange=stateck; conpassword_url="ajax_password.php?password=" + password.value + "&amp;conpassword=" + conpassword.value; httpxml.open("GET",conpassword_url,true); httpxml.send(null); } &lt;/script&gt; &lt;body&gt; &lt;div id="user_div"&gt;&lt;/div&gt; &lt;div id="conpass_div"&gt;&lt;/div&gt; &lt;div id="email_div"&gt;&lt;/div&gt; &lt;form id="form" name="form" method="post" action=""&gt; &lt;label&gt;Username&lt;br /&gt; &lt;input type="text" name="username" id="username" onBlur="check_username(username)"&gt; &lt;br /&gt; &lt;br /&gt; &lt;/label&gt; &lt;label&gt;Password&lt;br /&gt; &lt;input type="password" name="password" id="password" onBlur="check_confirm (password,conpassword);"&gt; &lt;/label&gt; &lt;label&gt;&lt;br /&gt; &lt;br /&gt; Confirm Password&lt;br /&gt; &lt;input type="password" name="conpassword" id="conpassword" onBlur="check_confirm(password,conpassword);"&gt; &lt;br /&gt; &lt;br /&gt; &lt;/label&gt; &lt;label&gt;Email&lt;br /&gt; &lt;input type="text" name="email" id="email" onblur="check_email(email)" /&gt; &lt;p&gt; &lt;p&gt; &lt;label&gt; &lt;input type="submit" name="button" id="button" value="Submit" onclick="return false;" /&gt; &lt;/label&gt; &lt;/p&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
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    2. COI cannot figure out how to allow the user to only press the submit button once all text boxes are 'ok'. Yes....how?
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