function hvz(aktion)
{
var vImg = document.getElementById("hvzbild");
if (aktion == 'out')
 {
 vImg.src = "WYSITDKSR/layout/img/haendler-link-ausstellung-klein.png";
 vImg.style.top = "230px";
 vImg.style.left = "55px";
 } else
  {
  vImg.src = "WYSITDKSR/layout/img/haendler-link-ausstellung-gross.png";
  vImg.style.top = "129px";
  vImg.style.left = "56px";
  }
}