var sSubject = 'Interesting Homepage';
var sBody    = 'Hello, please check out this nice accommodation from Ibiza HausŪ. Look to :\n' + location.href;
var sDisplay = 'Send this Link';
document.write(
    '<a href="mailto:?subject=' +
    escape(sSubject) + '&body=' + escape(sBody) +
    '" class="button">' + sDisplay + '</a>'
    );