function findPosX(obj) {
	var curleft = 0;
	if (obj.offsetParent) {
		while (obj.offsetParent) {
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	} else if (obj.x) curleft += obj.x;
	return curleft;
}
function findPosY(obj) {
	var curtop = 0;
	if (obj.offsetParent) {
		while (obj.offsetParent) {
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	} else if (obj.y) curtop += obj.y;
	return curtop;
}

function setCopyright(){
	var cr = document.getElementById('copyright');
	var crY = findPosY(cr);
	var crH = cr.offsetHeight;
	var theBottom; // the very bottom of the window
	if (document.documentElement && document.documentElement.scrollBottom) {
		theBottom = document.documentElement.scrollTop + document.documentElement.offsetHeight;
	} else if (document.body) {
		theBottom = document.body.scrollTop + document.body.offsetHeight;
	}
	if( crY + 1.8*crH < theBottom) {
		var crX = findPosX(cr)
		crY = theBottom - 1.8*crH;
		cr.style.position = 'absolute';
		cr.style.top = crY + 'px';
		cr.style.width = '100%';
	}
}