<!--
        if (document.images) {            		// BUTTON LABEL

            img0on = new Image();      
            img0on.src = "../images/nav/nRentalOver.gif";	// Find an Instrument
            img1on = new Image();      
            img1on.src = "../images/nav/nFindOver.gif";	// Rentals
            
            img3on = new Image();
            img3on.src = "../images/nav/nServiceOver.gif";	// Service
            img4on = new Image();
            img4on.src = "../images/nav/nLessonsOver.gif";	// Lessons
            img5on = new Image();
            img5on.src = "../images/nav/nAboutOver.gif";	// About Us
			img6on = new Image();
            img6on.src = "/images/navdown_help.gif";	// CART
			img7on = new Image();
            img7on.src = "/images/navdown_home.gif";	// HOME
			

			img0off = new Image(); 
            img0off.src = "../images/nav/nRentalDef.gif";	// Find an Instrument
            img1off = new Image(); 
            img1off.src = "../images/nav/nFindDef.gif";	// Rentals
           
            img3off = new Image();
            img3off.src = "../images/nav/nServiceDef.gif";	// Service
            img4off = new Image();
            img4off.src = "../images/nav/nLessonsDef.gif";	// Lessons
            img5off = new Image();
            img5off.src = "../images/nav/nAboutDef.gif";	// About Us
			img6off = new Image();
            img6off.src = "/images/navdef_help.gif";	// CART
			img7off = new Image();
            img7off.src = "/images/navdef_home.gif";	// HOME
        }

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

// -->