<!--
if (document.images != null)
{       var currentImg = "nothing"
        preLoad();
}
function preLoad()
{       
        nav1_up = new Image(130,15);
        nav1_dn = new Image(130,15);
        nav1_up.src = "images/nav-home.gif";
        nav1_dn.src = "images/nav-home_on.gif";
		
        nav2_up = new Image(130,15);
        nav2_dn = new Image(130,15);
        nav2_up.src = "images/nav-about.gif";
        nav2_dn.src = "images/nav-about_on.gif";
		
        nav3_up = new Image(130,15);
        nav3_dn = new Image(130,15);
        nav3_up.src = "images/nav-roof.gif";
        nav3_dn.src = "images/nav-roof_on.gif";
		
		
        nav4_up = new Image(130,15);
        nav4_dn = new Image(130,15);
        nav4_up.src = "images/nav-energy.gif";
        nav4_dn.src = "images/nav-energy_on.gif";
		
		nav5_up = new Image(130,15);
        nav5_dn = new Image(130,15);
        nav5_up.src = "images/nav-blockwall.gif";
        nav5_dn.src = "images/nav-blockwall_on.gif";
		
		nav6_up = new Image(130,15);
        nav6_dn = new Image(130,15);
        nav6_up.src = "images/nav-equine.gif";
        nav6_dn.src = "images/nav-equine_on.gif";
		
		nav7_up = new Image(130,15);
        nav7_dn = new Image(130,15);
        nav7_up.src = "images/nav-moisture.gif";
        nav7_dn.src = "images/nav-moisture_on.gif";
		
		
		 nav8_up = new Image(130,15);
        nav8_dn = new Image(130,15);
        nav8_up.src = "images/nav-medical.gif";
        nav8_dn.src = "images/nav-medical_on.gif";
		
		
		nav9_up = new Image(130,15);
        nav9_dn = new Image(130,15);
        nav9_up.src = "images/nav-contact.gif";
        nav9_dn.src = "images/nav-contact_on.gif";
		
		
		nav10_up = new Image(130,15);
        nav10_dn = new Image(130,15);
        nav10_up.src = "images/nav-strucinspections.gif";
        nav10_dn.src = "images/nav-strucinspections_on.gif";
		
		
		nav11_up = new Image(130,15);
        nav11_dn = new Image(130,15);
        nav11_up.src = "images/nav-training.gif";
        nav11_dn.src = "images/nav-training_on.gif";

		                }

function rollover(img,what)
{
        if (document.images != null)
        {
                        if(what == "over")        
                                swapImg = eval(img + "_dn.src");
                        if(what == "out")
                                swapImg = eval(img + "_up.src");
                        document [img].src = swapImg;
        }

  }
 -->