var first = 'ma';
var second = 'il';
var third = 'to:';
var address = 'customerservice';
var domain = 'balloonsgalorelansing.com';
document.write('<a href="');
document.write(first+second+third);
document.write(address);
document.write('&#64;');
document.write(domain);
document.write('?Subject=Email%20from%20Website" title="E-mail Us!">');
document.write('E-mail Us!</a>');