function init()
	{
	var fileName  = PINT_GetCurrentFileName();
	var directory = PINT_GetCurrentDirectory();
	
	if( PINT_IsRootDirectory( PINT_GetCurrentFilePath() ) && ( fileName == "index.htm" || fileName == "" ) )
		{
		// set up rollovers for primary navigation for all sections except classes
		PINT_RORolloverInit( "review_ed_modimg", "review_ed_modimg", rootDirectory + "/images/HNR_review_ed_mod.jpg", "Review Education Modules" );
		PINT_RORolloverInit( "obtain_cont_ed_certimg", "obtain_cont_ed_certimg", rootDirectory + "/images/HNR_obtain_cont_ed_cert.jpg", "Obtain Continuing Education Certification" );
		}
	else
		{
		// subpage rollovers
		PINT_RORolloverInit( "review_ed_modimg", "review_ed_modimg", rootDirectory + "/images/HNR_review_ed_mod.jpg", "Review Education Modules" );
		PINT_RORolloverInit( "obtain_cont_ed_certimg", "obtain_cont_ed_certimg", rootDirectory + "/images/HNR_obtain_cont_ed_cert.jpg", "Obtain Continuing Education Certification" );
		}
	}

function cleanup()
{}

window.onload = init;
window.onunload = cleanup;