function getXmlHttpRequestObject()
{
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	}
	else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		window.alert('Kunne ikke oprette XmlHttpRequest Object pga. uddateret browser.\n\nOpdater venligst din browser til den nyeste version.');
	}
}


var receiveReq = getXmlHttpRequestObject();
function refreshSession()
{
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0)
	{
		receiveReq.open("GET", '/refreshsession.aspx', true);
		receiveReq.onreadystatechange = handleReceiveRefresh; 
		receiveReq.send(null);
		setTimeout('refreshSession();',180000);
	}
	else
	{
		setTimeout('refreshSession();',2000);
	}
}

function handleReceiveRefresh()
{
	if (receiveReq.readyState == 4)
	{
		//alert('Session refreshed');
	}
}

function showPic(picid, picnr, emneid)
{
	var url = '/Emne/Billede.aspx?id='+picid+'&picnr='+picnr+'&emneid='+emneid;
	var w = window.open(url, 'billede', 'location=no,toolbar=no,resizable=yes,scrollbars=no,width=10,height=10');
	w.focus();
}

function sendEmne(emneid)
{
	var url = 'http://www.lastbilbasen.dk/pages/emne_send.asp?langu=DK&emneID='+emneid;
	var w = window.open(url, 'sendemne', 'location=yes,toolbar=no,resizable=yes,scrollbars=yes,width=700,height=700');
	w.focus();
}

function printEmne(emneid)
{
	var url = '/Emne/EmnePrint.aspx?spr=1&eid='+emneid;
	var w = window.open(url, 'printemne', 'location=no,toolbar=no,resizable=yes,scrollbars=yes,width=700,height=700');
	w.focus();
}