//preload images
var image1=new Image()

image1.src="images/velocitytop_movie_billubarber.jpg"

var image2=new Image()

image2.src="images/velocitytop_movie_delhi6.jpg"

var image3=new Image()
image3.src="images/velocitytop_movie_devd.jpg"

var image4=new Image()
image4.src="images/velocitytop_movie_rangrasiya.jpg"