//// ROLLOVER LIST & FUNCTIONS //////

browserName = navigator.appName;          
                                browserVer = parseInt(navigator.appVersion);
                                if ((browserName == "Netscape" && browserVer >= 3) || (browserName == "Microsoft Internet Explorer" && browserVer >= 4)) 
                                {
                                   hasImageObject = true;
                                }
                                else 
                                {
                                   hasImageObject = false;
                                }
                                               
                                if (hasImageObject)
                                {
                                   // navigation rollover items for homepage
                                   getting_there_off = new Image();
                                   getting_there_off.src = "todo/nv_home_off.gif";
                                   getting_there_on = new Image();
                                   getting_there_on.src = "todo/nv_home_on.gif";
                                   
                                   what_to_do_off = new Image();
                                   what_to_do_off.src = "todo/nv_maps_off.gif";
                                   what_to_do_on = new Image();
                                   what_to_do_on.src = "todo/nv_maps_on.gif";
                                   
                                   the_house_off = new Image();
                                   the_house_off.src = "todo/nv_business_off.gif";
                                   the_house_on = new Image();
                                   the_house_on.src = "todo/nv_business_on.gif";
                                   
                                   rates_off = new Image();
                                   rates_off.src = "todo/nv_events_off.gif";
                                   rates_on = new Image();
                                   rates_on.src = "todo/nv_events_on.gif";
                                   
                                   contact_off = new Image();
                                   contact_off.src = "todo/nv_services_off.gif";
                                   contact_on = new Image();
                                   contact_on.src = "todo/nv_services_on.gif";
                                }

// menu rollover functions      
        function imgOn(imgName) {
                if (document.images) {
                        document[imgName].src = eval(imgName + "_on.src");
                }
        }
        
        function imgOff(imgName) {
                if (document.images) {
                        document[imgName].src = eval(imgName + "_off.src");
                }
        }