function maxWindow(url, name, width, height) 
{
	features = 'scrollbars=1,resizable=1,menubar=0,toolbar=0,location=0,status=0,top=0,left=0,screenX=0,screenY=0,';
	if (window.screen) 
	{
  		aw = screen.availWidth;
  		ah = screen.availHeight;
  		features = features+'width='+(aw-20)+',height='+(ah-38);
	}
	else 
	{
  		features = features+'width='+width+',height='+height;
	}
	window.open(url, name, features);
}

function shownr(land)
{
	if(land == 'landnl')
	{
		document.getElementById ('landnl').style.display  = 'block';
		document.getElementById ('landbe').style.display  = 'none';
	}
	else if(land == 'landbe')
	{
		document.getElementById ('landnl').style.display  = 'none';
		document.getElementById ('landbe').style.display  = 'block';
	}
	else
	{
		document.getElementById ('landnl').style.display  = 'none';
		document.getElementById ('landbe').style.display  = 'none';
	}
}