<!--  Hide for Java Challenged Browsers
		if (document.images) {

   		bioon = new Image(133,34);
  			bioon.src = "images/navigation/bio_but_ovr.gif"
  			biooff = new Image(133,34);
 			biooff.src = "images/navigation/bio_but.gif"
 			
  			serviceson = new Image(133,34);
 			serviceson.src = "images/navigation/services_but_ovr.gif"
 			servicesoff = new Image(133,34);
 			servicesoff.src = "images/navigation/services_but.gif"
 
   		contacton = new Image(133,34);
  			contacton.src = "images/navigation/contact_but_ovr.gif"
  			contactoff = new Image(133,34);
 			contactoff.src = "images/navigation/contact_but.gif"
 			  							
 			}

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

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