<!--

function newImage(arg)
{
	if (document.images)
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages()
{
	if (document.images && (preloadFlag == true))
	{
		for (var i=0; i<changeImages.arguments.length; i+=2)
		{
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages()
{
	if (document.images)
	{
		nav_index_over = newImage("/images/nav.index-over.gif");
		nav_company_over = newImage("/images/nav.company-over.gif");
		nav_services_over = newImage("/images/nav.services-over.gif");
		nav_agreements_over = newImage("/images/nav.agreements-over.gif");
		nav_environment_over = newImage("/images/nav.environment-over.gif");
		nav_contact_over = newImage("/images/nav.contact-over.gif");
		preloadFlag = true;
	}
}

// -->