function vismenu(x){
  document.getElementById(x).style.display='block';
M="Menu"
document.getElementById('MnuKnap').style.border='inset';
}

function skjulmenu(x){
  document.getElementById(x).style.display='none';
  document.getElementById('MnuKnap').style.border='outset';
}

function open_side(WebURL)
{
 var param;
 param="toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes,width=600,height=500";
 window.open(WebURL,"_blank",param);
}