browserName=navigator.appName; browserVer=parseInt(navigator.appVersion);

if ((browserName=="Netscape" && browserVer>=3) || (browserName=="Microsoft Internet Explorer" && browserVer>=4)) version="n3"; else version="n2";

if (version=="n3") {

homeabouton = new Image(); 
homeabouton.src = "img/home_about_on.jpg"; 
homeaboutoff = new Image(); 
homeaboutoff.src = "img/home_about_off.jpg"; 
producton = new Image(); 
producton.src = "img/home_product_on.jpg"; 
productoff = new Image(); 
productoff.src = "img/home_product_off.jpg"; 
homelocationon = new Image(); 
homelocationon.src = "img/home_location_on.jpg"; 
homelocationoff = new Image(); 
homelocationoff.src = "img/home_location_off.jpg";
contacton = new Image(); 
contacton.src = "img/home_contact_on.jpg"; 
contactoff = new Image(); 
contactoff.src = "img/home_contact_off.jpg";
homeabout2on = new Image(); 
homeabout2on.src = "img/home_about2_on.jpg"; 
homeabout2off = new Image(); 
homeabout2off.src = "img/home_about2_off.jpg"; 
product2on = new Image(); 
product2on.src = "img/home_product2_on.jpg"; 
product2off = new Image(); 
product2off.src = "img/home_product2_off.jpg"; 
homelocation2on = new Image(); 
homelocation2on.src = "img/home_location2_on.jpg"; 
homelocation2off = new Image(); 
homelocation2off.src = "img/home_location2_off.jpg";
contact2on = new Image(); 
contact2on.src = "img/home_contact2_on.jpg"; 
contact2off = new Image(); 
contact2off.src = "img/home_contact2_off.jpg";
homeabout3on = new Image(); 
homeabout3on.src = "img/home_about3_on.jpg"; 
homeabout3off = new Image(); 
homeabout3off.src = "img/home_about3_off.jpg"; 
product3on = new Image(); 
product3on.src = "img/home_product3_on.jpg"; 
product3off = new Image(); 
product3off.src = "img/home_product3_off.jpg"; 
homelocation3on = new Image(); 
homelocation3on.src = "img/home_location3_on.jpg"; 
homelocation3off = new Image(); 
homelocation3off.src = "img/home_location3_off.jpg";
contact3on = new Image(); 
contact3on.src = "img/home_contact3_on.jpg"; 
contact3off = new Image(); 
contact3off.src = "img/home_contact3_off.jpg";
navhomeon = new Image(); 
navhomeon.src = "img/nav_home_on.gif"; 
navhomeoff = new Image(); 
navhomeoff.src = "img/nav_home_off.gif"; 
navabouton = new Image(); 
navabouton.src = "img/nav_about_on.gif"; 
navaboutoff = new Image(); 
navaboutoff.src = "img/nav_about_off.gif"; 
navproducton = new Image(); 
navproducton.src = "img/nav_products_on.gif"; 
navproductoff = new Image(); 
navproductoff.src = "img/nav_products_off.gif"; 
navcustomerson = new Image(); 
navcustomerson.src = "img/nav_customers_on.gif"; 
navcustomersoff = new Image(); 
navcustomersoff.src = "img/nav_customers_off.gif"; 
navlocationon = new Image(); 
navlocationon.src = "img/nav_locations_on.gif"; 
navlocationoff = new Image(); 
navlocationoff.src = "img/nav_locations_off.gif";
navcontacton = new Image(); 
navcontacton.src = "img/nav_contact_on.gif"; 
navcontactoff = new Image(); 
navcontactoff.src = "img/nav_contact_off.gif";


}

function img_act(imgName)  { if (version == "n3")   { imgOn = eval(imgName + "on.src"); document [imgName].src = imgOn; } }

function img_inact(imgName)   { if (version == "n3") { imgOff = eval(imgName + "off.src"); document [imgName].src = imgOff; } }