function golink(lnk)
{

	window.document.location=lnk;
	
}


function headimg(i)
{

	document.getElementById('header').style.backgroundImage = 'url(/images/header_back'+i+'.jpg)';

i=i+1

	if (i==4)
	
		{
		i=1
		}

setTimeout("headimg("+i+")",10000);

}