img1=new Image()
img1.src="images/home.gif"
img2=new Image()
img2.src="images/home-down.gif"

img3=new Image()
img3.src="images/home-extra.gif"
img4=new Image()
img4.src="images/home-extra-down.gif"

img5=new Image()
img5.src="images/ico-print-list.gif"
img6=new Image()
img6.src="images/ico-print-list-down.gif"