function changeGraph (to) {
	var objImg = document.getElementById('estateGraph');
	var imgUrl = objImg.src;
	var arrUrl = objImg.src.split("?");
	var graphType = document.getElementById('graphType');

	if (to == 'rrd') {
		objImg.src = 'http://eiendomsgrafer.no/cgi-bin/graph.pl?' + arrUrl[1];
	} else {
		objImg.src = '/graph.php?' + arrUrl[1];
	}

}

function switchGraph (to) {
	var objImg = document.getElementById('estateGraph');
	var imgUrl = objImg.src;
	var arrUrl = objImg.src.split("?");
	var graphType = document.getElementById('graphType');

	if (to == 'month') {
		objImg.src = '/graph.php?' + arrUrl[1];
	} else {
		objImg.src = '/graphs/all.php?' + arrUrl[1];
	}

}