<script language="javascript">function checkEmail() {var email = document.getElementById(’emailaddress’);var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;if (!filter.test(email.value)) {alert(’Please provide a valid email address’);email.focusreturn false;}}</script>code>Heshan Wanigasooriya
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