<!--überprüft den Formularinhalt des Gästebuchs-->
var count = 0;


function show_given_data(what) {
  if(what!="") {
      document.getElementById("content").innerHTML=what;
    } else {
      document.getElementById("content").innerHTML="";
    }
}
<!--19/09/2004-->
<!--This script was programmed by Thomas Luft-->