function popitup(mypage,myname,w,h,features)
{
var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += features;
newwindow=window.open(mypage,myname,settings);
if (window.focus) {newwindow.focus();}
return false;
}

function closewindow() 
{
window.close()
}