When i update the email and press enter the update page is opening , is there any jquery or ajax script for submitting details to update.php with our opening it
<form id="myForm" action="update.php" onsubmit="return validateForm();"method="post">
<input type="hidden" name="action" value="update" />
<input type="text" name="email" id="email" value="Enter your email here" />
<br><center><input class="button" type="image" src="rss.png" /></center>
</form>
Check this jQuery plugin:
jQuery Form Plugin: it allows you to easily and unobtrusively upgrade HTML forms to use AJAX.
As example: