function changepic(picid,piccaption){
 document.getElementById("slideshow_image").src = picid;
 if(piccaption != ""){
  document.getElementById("slideshow_caption").innerHTML = piccaption;
 }
}

function merge(part1,part2,part3){
 merged = part1 + "@" + part2 + "." + part3;
 document.write("<a href=\"mailto:" + merged.toLowerCase() + "\">" + merged + "</a>");
}