function ObscureEmail(emailPrefix, domain, tld) 
{
    document.write('<a href="mailto:' + emailPrefix + '&#64;' + domain + '.' + tld + '">' + emailPrefix + '&#64;' + domain + '.' + tld + '</a>');
}

function ObscureEmailWithDifferentText(emailPrefix, domain, tld, displayText) 
{
    document.write('<a href="mailto:' + emailPrefix + '&#64;' + domain + '.' + tld + '">' + displayText + '</a>');
}

function ObscureEmailWithDifferentTextWithinSentence(emailPrefix, domain, tld, displayText, startSentence, endSentence) 
{
    document.write(startSentence + '<a href="mailto:' + emailPrefix + '&#64;' + domain + '.' + tld + '">' + displayText + '</a>' + endSentence);
}