var loadingImg = new Image();

preloadLoadingImg();

function switchChart(hrefElement, url, chartId, chartTabsId)
{
	if (!chartId)
		chartId = "chartPic";

	if (!chartTabsId)
		chartTabsId = "chartTabs";

	var chartTabsElement = document.getElementById(chartTabsId);

	document.getElementById(chartId).src = loadingImg.src;
	document.getElementById(chartId).src = url;

	for (var i = 0; i < chartTabsElement.childNodes.length; i++)
	{
		if (chartTabsElement.childNodes[i].firstChild && chartTabsElement.childNodes[i].firstChild.nodeName == "A")
		{
			chartTabsElement.childNodes[i].firstChild.className = "ftab2";
		}
	}

	hrefElement.className = "ftab2 active";
}

/**
  * description
  */
function preloadLoadingImg()
{
	if (!loadingImg.src)
	{
		loadingImg.src = absCorrect + "/images/loading.gif";
	}
}