var overflowy="";
var overflowy2=""

if (is_ie4up) {
  overflowy = "overflow-y: scroll;";
  overflowy2 = "overflow-y: hidden;";
}

document.write('<style type="text/css"><!--'+
  '#content {'+overflowy+' }'+ 
  '#content_zondervlucht {'+overflowy+' }'+ 
  ' div.openlink {'+overflowy+' }'+ 
  '--></style>'+ 
  '<style media="print" type="text/css"><!--'+
  'body #content {'+overflowy2+' }'+ 
  '--></style>');