if (document.images) {

		img1on = new Image
     	img2on = new Image
     	img3on = new Image
     	img1 = new Image
     	img2 = new Image
     	img3 = new Image
    
     	img1on.src = "../images/home_r.jpg"
     	img2on.src = "../images/contact_r.jpg"
     	img3on.src = "../images/links_r.jpg"
     	img1.src = "../images/home_n.jpg"
     	img2.src = "../images/contact_n.jpg"
     	img3.src = "../images/links_n.jpg"
    
}

else {

     	img1on = " "
     	img2on = " "
     	img3on = " "
     	img1 = " "
     	img2 = " "
     	img3 = " "
     	document.buttons = " "

}