<!--
var popwin
function oppna(url,x,y) {
  {
  w=(screen.availWidth/2)-(x/2)
  h=(screen.availHeight/2)-(y/2)

  popwin = window.open(url, '', 'width='+x+',height='+y+',status=no,menubar=no,scrollbars=no,resizable=no,titlebar=no,dependent=yes,left=' + w + ',top=' + h + '');
  }
}

function centrera(w,h) {
	x=(screen.availWidth/2)-(w/2)
	y=(screen.availHeight/2)-(h/2)
	window.moveTo(x,y)
}
//-->