function preloadImages(){
   if(document.images){
     otherImageDefault = new Image()
     otherImageDefault.src = "images/rooms/living_room3.jpg"
     otherImage1 = new Image()
     otherImage1.src = "images/rooms/living_room3.jpg"
     otherImage2 = new Image()
     otherImage2.src = "images/rooms/living_room2.jpg"
     otherImage3 = new Image()
     otherImage3.src = "images/rooms/living_room1.jpg"     
   
}
}