var rollOverOK = ((navigator.appName == "Microsoft Internet Explorer") || (navigator.appName == "Netscape")) && parseInt(navigator.appVersion) >= 3;

function rollover(reg_img_src,hl_img_src) {
   this.name=name;
   this.reg_img = new Image();
   this.reg_img.src = reg_img_src;
   this.hl_img = new Image();
   this.hl_img.src = hl_img_src;
}
if(rollOverOK) {
   num_rollovers = 5;

   rollovers = new Array(num_rollovers);
   rollovers["nav1"] = new rollover("/images/nav/WelcomeHomeA.gif","/images/nav/WelcomeHomeB.gif");
   rollovers["nav2"] = new rollover("/images/nav/OurCommunitiesA.gif","/images/nav/OurCommunitiesB.gif");
   rollovers["nav3"] = new rollover("/images/nav/CustomerServiceA.gif","/images/nav/CustomerServiceB.gif");
   rollovers["nav4"] = new rollover("/images/nav/FinancingA.gif","/images/nav/FinancingB.gif");
   rollovers["nav5"] = new rollover("/images/nav/ContactUsA.gif","/images/nav/ContactUsB.gif");
   rollovers["nav6"] = new rollover("/images/nav/NewsA.gif","/images/nav/NewsB.gif");
   
}
function set_reg(imagename) {
   if(rollOverOK) {
      document.images[imagename].src = rollovers[imagename].reg_img.src;
   }
}

function set_hl(imagename) {
   if(rollOverOK) {
      document.images[imagename].src = rollovers[imagename].hl_img.src;
   }
}