if (document.images) {
            img1on = new Image(); 
            img1on.src = "http://bultacowest.com/images/home2.gif";   
            img2on = new Image();
            img2on.src = "http://bultacowest.com/images/about2.gif";
            img3on = new Image();
            img3on.src = "http://bultacowest.com/images/contact2.gif";
            img4on = new Image();
            img4on.src = "http://bultacowest.com/images/showroom2.gif";
            img5on = new Image();
            img5on.src = "http://bultacowest.com/images/gallery2.gif";
            img6on = new Image();
            img6on.src = "http://bultacowest.com/images/magazine2.gif";
            img7on = new Image();
            img7on.src = "http://bultacowest.com/images/identify2.gif";




            img1off = new Image(); 
            img1off.src = "http://bultacowest.com/images/home.gif"; 
            img2off = new Image(); 
            img2off.src = "http://bultacowest.com/images/about.gif";
            img3off = new Image(); 
            img3off.src = "http://bultacowest.com/images/contact.gif";  
            img4off = new Image(); 
            img4off.src = "http://bultacowest.com/images/showroom.gif"; 
            img5off = new Image(); 
            img5off.src = "http://bultacowest.com/images/gallery.gif"; 
            img6off = new Image(); 
            img6off.src = "http://bultacowest.com/images/magazine.gif"; 
            img7off = new Image(); 
            img7off.src = "http://bultacowest.com/images/identify.gif"; 

        }
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");

   }
}