<!-- Hide from old browsers
if (document.images) {
                        
			   aboutOn = new Image
			   repOn = new Image
               audioOn = new Image
               videoOn = new Image
               clientsOn = new Image
               enquireOn = new Image
               homeOn = new Image

                        
               aboutOff = new Image
               repOff = new Image
               audioOff = new Image
               videoOff = new Image
               clientsOff = new Image
               enquireOff = new Image
               homeOff = new Image

               aboutOn.src = "images/header_images/button_images/about_on.jpg"
               repOn.src = "images/header_images/button_images/rep_on.jpg"
               audioOn.src = "images/header_images/button_images/audio_on.jpg"
               videoOn.src = "images/header_images/button_images/video_on.jpg"
               clientsOn.src = "images/header_images/button_images/clients_on.jpg"
               enquireOn.src = "images/header_images/button_images/enquire_on.jpg"
               homeOn.src = "images/header_images/button_images/home_on.jpg"

               aboutOff.src = "images/header_images/button_images/about.jpg"
               repOff.src = "images/header_images/button_images/rep.jpg"
               audioOff.src = "images/header_images/button_images/audio.jpg"
               videoOff.src = "images/header_images/button_images/video.jpg"
               clientsOff.src = "images/header_images/button_images/clients.jpg"
               enquireOff.src = "images/header_images/button_images/enquire.jpg"
               homeOff.src = "images/header_images/button_images/home.jpg"
                        
}
else {
               aboutOn = ""
               aboutOff = ""
               repOn = ""
               repOff = ""
               audioOn = ""
               audioOff = ""
               videoOn = ""
               videoOff = ""
               clientsOn = ""
               clientsOff = ""
               enquireOn = ""
               enquireOff = ""
               homeOn = ""
               homeOff = ""
               document.about = ""
               document.rep = ""
               document.audio = ""
			   document.video = ""
               document.clients = ""
               document.enquire = ""
               document.home = ""

}

// Stop hiding from old browsers -->