<!--

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_about_over = newImage("/images/nav.about-over.gif");
		nav_contact_over = newImage("/images/nav.contact-over.gif");
		nav_forms_over = newImage("/images/nav.forms-over.gif");
		nav_pediatricdentistry_over = newImage("/images/nav.pediatricdentistry-over.gif");
		nav_refer_over = newImage("/images/nav.refer-over.gif");
		nav_orthodontics_over = newImage("/images/nav.orthodontics-over.gif");
		nav_emergencies_over = newImage("/images/nav.emergencies-over.gif");
		nav_materials_over = newImage("/images/nav.materials-over.gif");
		preloadFlag = true;
	}
}

// -->