Email….

@mityaMar 13.2011 — #HTML

[CODE]<form action='somewhere.htm' method='POST' id='regForm'>
 E-mail:<br /><input type='text' id='email' name='email' /><br />
 Business URL:<br /><input type='text' id='url' name='url' /><br />
 <input type='submit' />
 </form>[/CODE]

[CODE]            window.onload = function() {
 document.getElementById('regForm').onsubmit = function() {
 var email = document.getElementById('email').value, url = document.getElementById('url').value, error = false;
 var emailDomain = email.match(/@.+$/);
 if (!email || !url)
 error = 'One or more fields left blank';
 else if (!emailDomain)
 error = 'Invalid e-mail address entered';
 else if (!new RegExp(emailDomain[0].substring(1)+'$').test(url))
 error = 'E-mail domain must match website domain';
 if (error) {
 alert('Error: '+error); return false;
 }
 };
 };[/CODE]

Note this does not rigoruously check for a valid e-mail address or a valid site URL - you'll need to add that. It just illustrates how to achieve what you need re: e-mail domain matching URL domain. Also, at the risk of pointing out the obvious, any validation should be done on the server - never only in the browser.

Email….

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