if (document.images) {
menu1 = new Image(151,47)
menu1.src ="images/menu1.gif" 
menu2 = new Image(151,47)
menu2.src ="images/menu2.gif"

home1 = new Image(151,47)
home1.src ="images/home1.gif" 
home2 = new Image(151,47)
home2.src ="images/home2.gif"

about1 = new Image(151,47)
about1.src ="images/about1.gif" 
about2 = new Image(151,47)
about2.src ="images/about2.gif"
}