var sSubject = 'Ibiza Webcams';
var sBody    = 'http://www.ibiza-webcam.de, Ibiza Webcams & Livecams & Weathercams all about Ibiza. Check out this:\n' + location.href;
var sDisplay = 'Link';
document.write(
    '<a href="mailto:?subject=' +
    escape(sSubject) + '&body=' + escape(sBody) +
    '" class="button">' + sDisplay + '</a>'
    );