function SetSize() {
  indhold.style.height = document.body.clientHeight-168;
  indhold.style.width = document.body.clientWidth+document.body.scrollLeft-180;
  if((document.body.clientHeight + document.body.scrollTop)<540)
		{pic4.style.visibility="hidden";}
  if((document.body.clientHeight + document.body.scrollTop)>540)
		{pic4.style.visibility="visible";}
  if((document.body.clientHeight + document.body.scrollTop)<425)
		{pic3.style.visibility="hidden";}
  if((document.body.clientHeight + document.body.scrollTop)>425)
		{pic3.style.visibility="visible";}
  if((document.body.clientHeight + document.body.scrollTop)<305)
		{pic2.style.visibility="hidden";}
  if((document.body.clientHeight + document.body.scrollTop)>305)
		{pic2.style.visibility="visible";}
  if((document.body.clientHeight + document.body.scrollTop)<270)
		{pic1.style.visibility="hidden";}
  if((document.body.clientHeight + document.body.scrollTop)>270)
		{pic1.style.visibility="visible";}
}

function OpenWindow(URL){ window.open(URL,'new','width=650,height=650,resizable=0,status=0,scrollbars=0,left=100,top=50'); }