<!--
if (document.images != null)
{       var currentImg = "nothing"
        preLoad();
}
function preLoad()
{       
        nav91_up = new Image(130,15);
        nav91_dn = new Image(130,15);
        nav91_up.src = "images/infraredserve33.jpg";
        nav91_dn.src = "images/infraredserve22.jpg";

        nav92_up = new Image(130,15);
        nav92_dn = new Image(130,15);
        nav92_up.src = "images/infraredserve44.jpg";
        nav92_dn.src = "images/infraredserve55.jpg";		
		
        nav93_up = new Image(130,15);
        nav93_dn = new Image(130,15);
        nav93_up.src = "images/housescan-off.jpg";
        nav93_dn.src = "images/housescan-on.jpg";			
		                }

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;
        }

  }
 -->