if (document.images) {
	nav_1_norm = new Image(); nav_1_norm.src = "/images/nav_1_gallery_norm.gif";
	nav_1_roll = new Image(); nav_1_roll.src = "/images/nav_1_gallery_roll.gif";
	nav_2_norm = new Image(); nav_2_norm.src = "/images/nav_2_about_norm.gif";
	nav_2_roll = new Image(); nav_2_roll.src = "/images/nav_2_about_roll.gif";
	nav_3_norm = new Image(); nav_3_norm.src = "/images/nav_3_contact_norm.gif";
	nav_3_roll = new Image(); nav_3_roll.src = "/images/nav_3_contact_roll.gif";
	
	navg_1_norm = new Image(); navg_1_norm.src = "/images/navg_1_circular_norm.gif";
	navg_1_roll = new Image(); navg_1_roll.src = "/images/navg_1_circular_roll.gif";
	navg_2_norm = new Image(); navg_2_norm.src = "/images/navg_2_baskets_norm.gif";
	navg_2_roll = new Image(); navg_2_roll.src = "/images/navg_2_baskets_roll.gif";
	navg_3_norm = new Image(); navg_3_norm.src = "/images/navg_3_wall_norm.gif";
	navg_3_roll = new Image(); navg_3_roll.src = "/images/navg_3_wall_roll.gif";
	navg_4_norm = new Image(); navg_4_norm.src = "/images/navg_4_figur_norm.gif";
	navg_4_roll = new Image(); navg_4_roll.src = "/images/navg_4_figur_roll.gif";
	navg_5_norm = new Image(); navg_5_norm.src = "/images/navg_5_form_norm.gif";
	navg_5_roll = new Image(); navg_5_roll.src = "/images/navg_5_form_roll.gif";
	
	nava_1_norm = new Image(); nava_1_norm.src = "/images/nava_1_statement_norm.gif";
	nava_1_roll = new Image(); nava_1_roll.src = "/images/nava_1_statement_roll.gif";
	nava_2_norm = new Image(); nava_2_norm.src = "/images/nava_2_bio_norm.gif";
	nava_2_roll = new Image(); nava_2_roll.src = "/images/nava_2_bio_roll.gif";
	nava_3_norm = new Image(); nava_3_norm.src = "/images/nava_3_cv_norm.gif";
	nava_3_roll = new Image(); nava_3_roll.src = "/images/nava_3_cv_roll.gif";
	nava_4_norm = new Image(); nava_4_norm.src = "/images/nava_4_shows_norm.gif";
	nava_4_roll = new Image(); nava_4_roll.src = "/images/nava_4_shows_roll.gif";
	nava_5_norm = new Image(); nava_5_norm.src = "/images/nava_5_studio_norm.gif";
	nava_5_roll = new Image(); nava_5_roll.src = "/images/nava_5_studio_roll.gif";
	
	snav_spacer = new Image(); snav_spacer.src = "/images/nav_sub_dot.gif";
}
function imgOn(imgName) {
document[imgName].src = eval(imgName + "_roll.src");
}
function imgOff(imgName) {
document[imgName].src = eval(imgName + "_norm.src");
}