function hideImage (name) {
  var c = document.getElementById(name);
  c.style.left        = -5000+"px";
}



function hideAll () {
hideImage('ABOUT');
hideImage('IMAGE');
hideImage('GTA');
hideImage('CONTACT');
hideImage('TESTIMONIALS');
hideImage('PRODUCTS');
}



function showImage (name) {
  var c = document.getElementById(name);
  c.style.left        = 0 +"px";
}