function checkTeaserEmail(obj)
{
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	var str=obj.value;
	if (filter.test(str)) {
		return true;
	} else {
        obj.value = 'Enter a valid email address';
        var submitButton = document.getElementById('submit-button');
        submitButton.focus();
		return false;
	}
}

function frmTeaserSubmit(){
	var emailId = document.getElementById('teaserEmail');
	var ck1 = checkTeaserEmail(emailId);
	if(ck1){	document.forms['emailFrm'].submit();}
}