if (document.images){
        
        b_home_on			= new Image
        b_home_off			= new Image
		b_stud_on			= new Image
		b_stud_off			= new Image
		b_bitch_on			= new Image
        b_bitch_off			= new Image
		b_pedigree_on		= new Image
		b_pedigree_off		= new Image
		b_puppy_on			= new Image
		b_puppy_off			= new Image
		b_offspring_on		= new Image
		b_offspring_off		= new Image
		b_link_off			= new Image
		b_link_on			= new Image
		b_contact_off		= new Image
		b_contact_on		= new Image

        b_home_on.src		= "imgs/b_home_on.jpg"
        b_home_off.src		= "imgs/b_home_off.jpg"
		b_stud_on.src		= "imgs/b_stud_on.jpg"
		b_stud_off.src		= "imgs/b_stud_off.jpg"
		b_bitch_on.src		= "imgs/b_bitch_on.jpg"
		b_bitch_off.src		= "imgs/b_bitch_off.jpg"
		b_pedigree_on.src	= "imgs/b_pedigree_on.jpg"
		b_pedigree_off.src	= "imgs/b_pedigree_off.jpg"
		b_puppy_on.src		= "imgs/b_puppy_on.jpg"
		b_puppy_off.src		= "imgs/b_puppy_off.jpg"
		b_offspring_on.src	= "imgs/b_offspring_on.jpg"
		b_offspring_off.src	= "imgs/b_offspring_off.jpg"
		b_link_off.src		= "imgs/b_link_off.jpg"
		b_link_on.src		= "imgs/b_link_on.jpg"
		b_contact_off.src	= "imgs/b_contact_off.jpg"
		b_contact_on.src	= "imgs/b_contact_on.jpg"

		}

function rollNav(x,y){
if (document.images){
document[x].src = eval(y +".src")
}
}