image_array=new Array(
'assets/images/menu/ov/home.jpg',
'assets/images/menu/ov/menu1.jpg',
'assets/images/menu/ov/menu2.jpg',
'assets/images/menu/ov/menu3.jpg'
)
images=new Array()
for(var i=0; i<image_array.length; i++){
images[i] = new Image();
images[i].src = image_array[i];
}