var image1=new Image()
image1.src="img/b_home.gif"
var image2=new Image()
image2.src="img/b_home_ovr.gif"
var image3=new Image()
image3.src="img/b_buy.gif"
var image4=new Image()
image4.src="img/b_buy_ovr.gif"
var image5=new Image()
image5.src="img/b_price_ovr.gif"
var image6=new Image()
image6.src="img/b_price.gif"
var image7=new Image()
image7.src="img/b_contact.gif"
var image8=new Image()
image8.src="img/b_contact_ovr.gif"