function swapImage(oImg, strName, bOn)
{
	try
	{
		oImg.src = "../images/topnavbar/"+strName+(bOn?"-on":"")+".gif";
	}
	catch(excpt)
	{
	}
}
function swapLeftbarImage(oImg, strName, bOn)
{
	try
	{
		oImg.src = "../images/leftnavbar/"+strName+(bOn?"-on":"")+".gif";
	}
	catch(excpt)
	{
	}
}