function isTop()
{
	if (this.location != top.location)
	{
		top.location = this.location;
	}
}
isTop();

function reloadPage()
{
	// reload IE to reload css - concerns abs positioning
	if (document.all)
		document.location.href=document.location.href;
}

function writeYear()
{
	var startYear = 2005;
	var curYear = (new Date()).getFullYear();
	document.write(startYear == curYear ? startYear : startYear + "-" + curYear);
}

function showImg(imgid)
{
	var gNodes = document.getElementById('gallery').childNodes;
	for (var i = 0; gNodes.length > i; i ++)
	{
		if (gNodes[i].tagName == "IMG")
		{
			if (gNodes[i].attributes['id'].value == 'i' +imgid)
				gNodes[i].style.display = "block";
			else
				gNodes[i].style.display = "none";
		}
		if (gNodes[i].tagName == "DIV")
		{
			var aNodes = gNodes[i].childNodes;
			for (var j = 0; aNodes.length > j; j ++)
			{
				if (aNodes[j].tagName == "A")
				{
					if (aNodes[j].attributes['id'].value == 'a' +imgid)
						aNodes[j].className = "on";
					else
						aNodes[j].className = "off";
				}
				/*if (aNodes[j].tagName == "SPAN")
				{
					if (aNodes[j].attributes['id'].value == 's' +imgid)
						aNodes[j].style.display = "block";
					else
						aNodes[j].style.display = "none";
				}*/
			}
		}
	}
}
function showHidePictograms(bVisible)
{
	var gNode = document.getElementById('pictograms');
	if (bVisible)
		gNode.style.display = "block";
	else
		gNode.style.display = "none";
}
function fShow(step)
{
	var aNodes = document.getElementById('tabs').childNodes;
	for (var i = 0; aNodes.length > i; i ++)
	{
		if (aNodes[i].tagName == "LI")
		{
			if (aNodes[i].attributes['id'].value == 'a' +step)
				aNodes[i].className = "on";
			else
				aNodes[i].className = "off";
		}
	}
	var aNodes = document.getElementById('questionnaire').childNodes;
	for (var j = 0; aNodes.length > j; j ++)
	{
		if (aNodes[j].tagName == "DIV")
		{
			if (aNodes[j].attributes['id'].value == 'step' +step)
				aNodes[j].style.display = 'block';
			else
				aNodes[j].style.display = 'none';
		}
	}
}