function setImage(imgId, src)
{
	var e = document.getElementById(imgId);
	if (e) {
		e.src = src;
	}
}


function toggleDiv(divId, show) {
	var e = document.getElementById(divId);
	if (e) {
		if (e.style && e.style.display) {
			e.style.display = (show ? 'block' : 'none');
		}
	}

	return e;
}

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;
}

/** Shows the div with ID 'divId' for a moment and then hides it again */
function showMomentarily(divId, timeout) {
	var e = toggleDiv(divId, true);	
	if (e) {
		if (!e.pkg_dk_timedout) {
			e.pkg_dk_timedout = true;
			window.setTimeout("showMomentarily_sub('" + divId + "')", timeout);
		}
	}
}

/** Used by showMomentarily(..) */
function showMomentarily_sub(divId) {
	var e = toggleDiv(divId, false);
	if (e) {
		e.pkg_dk_timedout = false;
	}
}

/** From http://www.quirksmode.org/js/cookies.html */
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

/** From http://www.quirksmode.org/js/cookies.html */
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

/** From http://www.quirksmode.org/js/cookies.html */
function eraseCookie(name) {
	createCookie(name,"",-1);
}