function popup(url, name, height, width, scrollbars)
{
	if (height == null )
		height = 520;
	if (width == null)
		width = 640;
	if (scrollbars == null)
		scrollbars = 1;
	var newWindow = window.open(url, name, "screenX=50,left=50,screenY=100,top=100,height=" + height + ",width=" + width + 
			",channelmode=0,dependent=0,directories=0,fullscreen=0,"
			+ "location=0,menubar=0,resizable=1,scrollbars=" + scrollbars + ",status=0,toolbar=0");
	newWindow.focus();
}

function reset()
{
	location.href = location.href;
}

function confirmDeletion()
{
	if (confirm("Are you sure you want to delete this item?"))
		return true;
	else
		return false;
}