if (document.images) 
		{
		home1 = new Image(140,38); home1.src = "buttons/home.gif";
		home2 = new Image(140,38); home2.src = "buttons/home2.gif";
		contact1 = new Image(140,38); contact1.src = "buttons/contact.gif";
		contact2 = new Image(140,38); contact2.src = "buttons/contact2.gif";
		lameness1 = new Image(140,38); lameness1.src = "buttons/lameness.gif";
		lameness2 = new Image(140,38); lameness2.src = "buttons/lameness2.gif";
		breeding1 = new Image(140,38); breeding1.src = "buttons/breeding.gif";
		breeding2 = new Image(140,38); breeding2.src = "buttons/breeding2.gif";
		immunization1 = new Image(140,38); immunization1.src = "buttons/immunization.gif";
		immunization2 = new Image(140,38); immunization2.src = "buttons/immunization2.gif";
		articles1 = new Image(140,38); articles1.src = "buttons/articles.gif";
		articles2 = new Image(140,38); articles2.src = "buttons/articles2.gif";
		}

		function hiLite(imgName,imgObjName) 
			{
			if (document.images) 
				{
  				document.images[imgName].src = eval(imgObjName + ".src");
				}
			}


		/**** include this part in the html document:

		<A href="index.html" onMouseOver="hiLite('home','home2')" onMouseOut="hiLite('home','home1')">
		<img src="navbuttons/home.gif" border=0 ALT="Home" Name="home"></A>

		****/