var sb_domain = "balcab.ch"
var sb_user = "bistrogasser"
var sb_recipient = sb_user + "@" + sb_domain
var image = "<img alt='Email Robert Gasser' src='images/eg.gif' height=14 width=183 border=0>"
var sb_url = "mailto:" + sb_recipient
document.write(image.link(sb_url));