var image1=new Image()
image1.src="images/banner_1.jpg"
var image2=new Image()
image2.src="images/banner_2.jpg"
var image3=new Image()
image3.src="images/banner_3.jpg"
var image4=new Image()
image4.src="images/banner_4.jpg"
var image5=new Image()
image5.src="images/banner_5.jpg"
var image6=new Image()
image6.src="images/banner_6.jpg"
var image7=new Image()
image7.src="images/banner_7.jpg"
var image8=new Image()
image8.src="images/banner_8.jpg"