//var newWindow = null;
function openWindow(contentURL, windowName, windowWidth, windowHeight)
{
	widthHeightw= 'width=' + windowWidth + ', height=' + windowHeight;
	newWindoww = window.open(contentURL, windowName, widthHeightw);
	newWindoww.focus();

}

function closeWindow()
{
	if (typeof(newWindoww)!="undefined")
	{
		if (newWindoww != null)
		{
			newWindoww.close();
			newWindoww = null;
		}
	}
}