function bild(nr)
{
  obj1=0; obj2=0; obj3=0; obj4=0; obj5=0; obj6=0; obj7=0; obj8=0;
  btxt1=0; btxt2=0; btxt3=0; btxt4=0; gtxt=0;
  if(document.getElementById)
  {
    obj1=document.getElementById("big1");
    obj2=document.getElementById("big2");
    obj3=document.getElementById("big3");
    obj4=document.getElementById("big4");
    obj5=document.getElementById("big_1");
    obj6=document.getElementById("big_2");
    obj7=document.getElementById("big_3");
    obj8=document.getElementById("big_4");
    btxt1=document.getElementById("txt1");
    btxt2=document.getElementById("txt2");
    btxt3=document.getElementById("txt3");
    btxt4=document.getElementById("txt4");
    gtxt=document.getElementById("galtext");
  }
  if(document.all && !document.getElementById)
  {
    obj1=document.all["big1"];
    obj2=document.all["big2"];
    obj3=document.all["big3"];
    obj4=document.all["big4"];
    obj5=document.all["big_1"];
    obj6=document.all["big_2"];
    obj7=document.all["big_3"];
    obj8=document.all["big_4"];
    btxt1=document.all["txt1"];
    btxt2=document.all["txt2"];
    btxt3=document.all["txt3"];
    btxt4=document.all["txt4"];
    gtxt=document.all["galtext"];
  }

  if (gtxt) gtxt.style.display="block";
  if (nr==1) {
   if (obj1) obj1.style.display="block";
   if (obj5) obj5.style.display="block";
   if (btxt1) { btxt1.style.display="block"; if (gtxt) gtxt.style.display="none"; }
  } else {
   if (obj1) obj1.style.display="none";
   if (obj5) obj5.style.display="none";
   if (btxt1) btxt1.style.display="none";
  }
  if (nr==2) {
   if (obj2) obj2.style.display="block";
   if (obj6) obj6.style.display="block";
   if (btxt2) { btxt2.style.display="block"; if (gtxt) gtxt.style.display="none"; }
  } else {
   if (obj2) obj2.style.display="none";
   if (obj6) obj6.style.display="none";
   if (btxt2) btxt2.style.display="none";
  }
  if (nr==3) {
   if (obj3) obj3.style.display="block";
   if (obj7) obj7.style.display="block";
   if (btxt3) { btxt3.style.display="block"; if (gtxt) gtxt.style.display="none"; }
  } else {
   if (obj3) obj3.style.display="none";
   if (obj7) obj7.style.display="none";
   if (btxt3) btxt3.style.display="none";
  }
  if (nr==4) {
   if (obj4) obj4.style.display="block";
   if (obj8) obj8.style.display="block";
   if (btxt4) { btxt4.style.display="block"; if (gtxt) gtxt.style.display="none"; }
  } else {
   if (obj4) obj4.style.display="none";
   if (obj8) obj8.style.display="none";
   if (btxt4) btxt4.style.display="none";
  }
}