function SwitchImages(NewImage, ImageName)
 {document[ImageName].src=NewImage.src
  }
 
{
 Gigs_On = new Image()
 Gigs_On.src ="Images/Gigs_On.gif"
 Gigs_Off = new Image()
 Gigs_Off.src ="Images/Gigs_Off.gif"
 
 Pics_On = new Image()
 Pics_On.src ="Images/Pics_On.gif"
 Pics_Off = new Image()
 Pics_Off.src ="Images/Pics_Off.gif"
 
 Home_On = new Image()
 Home_On.src ="Images/Home_On.gif"
 Home_Off = new Image()
 Home_Off.src ="Images/Home_Off.gif"
 
 Contact_On = new Image()
 Contact_On.src ="Images/Contact_On.gif"
 Contact_Off = new Image()
 Contact_Off.src ="Images/Contact_Off.gif"
 }