if (document.images) {   

    // "On" images   
	img1off = new Image(  );
    img1off.src = "/__shared/templates/image/find-cme-nav-on.jpg"; 
	
	img2off = new Image(  );
    img2off.src = "/__shared/templates/image/get-help-nav-on.jpg";
	
	img3off = new Image(  );
    img3off.src = "/__shared/templates/image/join-email-nav-on.jpg";
	
	img4off = new Image(  );
    img4off.src = "/__shared/templates/image/reg-online-nav-on.jpg";
	
	img5off = new Image(  );
    img5off.src = "/__shared/templates/image/view-practice-nav-on.jpg";
	 

    // "Off" images  
	img1on = new Image(  );
    img1on.src = "/__shared/templates/image/find-cme-nav-off.jpg"; 
	
	img2on = new Image(  );
    img2on.src = "/__shared/templates/image/get-help-nav-off.jpg";
	
	img3on = new Image(  );
    img3on.src = "/__shared/templates/image/join-email-nav-off.jpg";
	
	img4on = new Image(  );
    img4on.src = "/__shared/templates/image/reg-online-nav-off.jpg";
	
	img5on = new Image(  );
    img5on.src = "/__shared/templates/image/view-practice-nav-off.jpg";
	
	


}

function imgOn(imgName) {   
    if (document.images) {
        document.images[imgName].src = eval(imgName + "on.src");
    }
}

function imgOff(imgName) {   
    if (document.images) {
        document.images[imgName].src = eval(imgName + "off.src");
    }
}