var count=0;
function show_pics()
{
 count+=2;
 
 switch(count)
  {
   case 10:
      lade.style.visibility='hidden';
   break;
   case 20:
      bild1.style.visibility='visible';
   break;
   
   case 30:
      bild2.style.visibility='visible';
   break;
   
   case 40:
      bild3.style.visibility='visible';
   break;
    
   case 50:
      bild4.style.visibility='visible';
   break;
   
   case 60:
      bild5.style.visibility='visible';
   break; 
   
   case 70:
      bild6.style.visibility='visible';
   break;
   
   case 80:
    bild7.style.visibility='visible';
   break;
   default:
   break;
 }
 
 if(count<90) window.setTimeout('show_pics()',50);

}