function load_nav() 
	{
    nav_web0=new Image(); nav_web0.src="images/nav.web.0.gif"
	nav_web1=new Image(); nav_web1.src="images/nav.web.1.gif"
	nav_art0=new Image(); nav_art0.src="images/nav.art.0.gif"
	nav_art1=new Image(); nav_art1.src="images/nav.art.1.gif"
	nav_int0=new Image(); nav_int0.src="images/nav.int.0.gif"
	nav_int1=new Image(); nav_int1.src="images/nav.int.1.gif"
	nav_pho0=new Image(); nav_pho0.src="images/nav.pho.0.gif"
	nav_pho1=new Image(); nav_pho1.src="images/nav.pho.1.gif"
	nav_res0=new Image(); nav_res0.src="images/nav.res.0.gif"
	nav_res1=new Image(); nav_res1.src="images/nav.res.1.gif"
	nav_con0=new Image(); nav_con0.src="images/nav.con.0.gif"
	nav_con1=new Image(); nav_con1.src="images/nav.con.1.gif"
	nav_hom0=new Image(); nav_hom0.src="images/nav.hom.0.gif"
	//nav_hom1=new Image(); nav_hom1.src="images/nav.hom.0.gif"
	}

function nav_display(img) 
	{
	if (img=="web_off") document.images["web"].src=nav_web0.src
	if (img=="web_on") document.images["web"].src=nav_web1.src
	if (img=="art_off") document.images["art"].src=nav_art0.src
	if (img=="art_on") document.images["art"].src=nav_art1.src
	if (img=="int_off") document.images["int"].src=nav_int0.src
	if (img=="int_on") document.images["int"].src=nav_int1.src
	if (img=="pho_off") document.images["pho"].src=nav_pho0.src
	if (img=="pho_on") document.images["pho"].src=nav_pho1.src
	if (img=="res_off") document.images["res"].src=nav_res0.src
	if (img=="res_on") document.images["res"].src=nav_res1.src
	if (img=="con_off") document.images["con"].src=nav_con0.src
	if (img=="con_on") document.images["con"].src=nav_con1.src
	if (img=="hom_off") document.images["hom"].src=nav_hom0.src
	//if (img=="hom_on") document.images["hom"].src=nav_hom1.src
    }
    
function load_main() 
	{
    main_web0=new Image(); main_web0.src="images/main.web.0.gif"
	main_web1=new Image(); main_web1.src="images/main.web.1.gif"
	main_art0=new Image(); main_art0.src="images/main.art.0.gif"
	main_art1=new Image(); main_art1.src="images/main.art.1.gif"
	main_int0=new Image(); main_int0.src="images/main.int.0.gif"
	main_int1=new Image(); main_int1.src="images/main.int.1.gif"
	main_pho0=new Image(); main_pho0.src="images/main.pho.0.gif"
	main_pho1=new Image(); main_pho1.src="images/main.pho.1.gif"
	main_res0=new Image(); main_res0.src="images/main.res.0.gif"
	main_res1=new Image(); main_res1.src="images/main.res.1.gif"
	main_con0=new Image(); main_con0.src="images/main.con.0.gif"
	main_con1=new Image(); main_con1.src="images/main.con.1.gif"
	
	main_pink0=new Image(); main_pink0.src="images/main.pink.0.gif"
	main_pink1=new Image(); main_pink1.src="images/main.pink.1.gif"
	main_ring0=new Image(); main_ring0.src="images/main.ring.0.gif"
	main_ring1=new Image(); main_ring1.src="images/main.ring.1.gif"
	main_mid0=new Image(); main_mid0.src="images/main.mid.0.gif"
	main_mid1=new Image(); main_mid1.src="images/main.mid.1.gif"
	main_ind0=new Image(); main_ind0.src="images/main.ind.0.gif"
	main_ind1=new Image(); main_ind1.src="images/main.ind.1.gif"
	main_thumb0=new Image(); main_thumb0.src="images/main.thumb.0.gif"
	main_thumb1=new Image(); main_thumb1.src="images/main.thumb.1.gif"
	}
	
function main_display(img) 
	{
	if (img=="web_off") {
		document.images["web"].src=main_web0.src;
		document.images["pink"].src=main_pink0.src;
		}
	if (img=="web_on") {
		document.images["web"].src=main_web1.src;
		document.images["pink"].src=main_pink1.src;
		}
	if (img=="int_off") {
		document.images["int"].src=main_int0.src;
		document.images["ring"].src=main_ring0.src;
		}
	if (img=="int_on") {
		document.images["int"].src=main_int1.src;
		document.images["ring"].src=main_ring1.src;
		}
	if (img=="art_off") {
		document.images["art"].src=main_art0.src;
		document.images["mid"].src=main_mid0.src;
		}
	if (img=="art_on") {
		document.images["art"].src=main_art1.src; 
		document.images["mid"].src=main_mid1.src;
		}
	if (img=="pho_off") {
		document.images["pho"].src=main_pho0.src; 
		document.images["ind"].src=main_ind0.src;
		}
	if (img=="pho_on") {
		document.images["pho"].src=main_pho1.src; 
		document.images["ind"].src=main_ind1.src;
		}
	if (img=="res_off") {
		document.images["res"].src=main_res0.src; 
		document.images["thumb"].src=main_thumb0.src;
		}
	if (img=="res_on") {
		document.images["res"].src=main_res1.src; 
		document.images["thumb"].src=main_thumb1.src;
		}
	if (img=="con_off") {
		document.images["con"].src=main_con0.src;
		}
	if (img=="con_on") {
		document.images["con"].src=main_con1.src;
		}
    } 


function rand_num(num) {
    var now = new Date();                                 
    var rand = Math.round(num * Math.cos(now.getTime())); 
    if (rand < 0) rand = - rand; if (rand == 0) rand++;         
    return rand;
    }