var hand;

if (ns) 
{ hand = 'pointer';
}
else 
{ hand = 'hand';
}

function moverp(el)
{
	el.style.cursor = hand;
}

function moutp(el)
{
	el.style.cursor = 'auto';
}

function lg(s, n)
{
	var im = 'images/jpb'+n+'.jpg';
	var y;
	document.getElementById('content').style.visibility = 'hidden';
	if (window.innerWidth)
	{ y = window.pageYOffset + 10;
	}
	else
	{ if (document.documentElement)
		{ y = document.documentElement.scrollTop + 10;
		}
		else
		{ y = document.body.scrollTop + 10;
		}
	}
	if (s==1)
	{	document.getElementById('portim').src = im;
		document.getElementById('port').style.top = y+'px';
		document.getElementById('port').style.visibility = 'visible';
	}
	else
	{ document.getElementById('land').style.top = y+'px';
		document.getElementById('land').style.visibility = 'visible';
		document.getElementById('landim').src = im;
	}
}

function xlg()
{
	document.getElementById('land').style.visibility = 'hidden';
	document.getElementById('port').style.visibility = 'hidden';
	document.images['landim'].src = '';
	document.images['portim'].src = '';
	document.getElementById('content').style.visibility = 'visible';
}