if(document.images) {
	
	var nav_btt1 = new Image();
	var nav_btt2 = new Image();
	
	var nav_ctw1 = new Image();
	var nav_ctw2 = new Image();
	
	var nav_ctw21 = new Image();
	var nav_ctw22 = new Image();
	
	var nav_cre1 = new Image();
	var nav_cre2 = new Image();
	
	var nav_fee1 = new Image();
	var nav_fee2 = new Image();
	
	var nav_pri1 = new Image();
	var nav_pri2 = new Image();
	
	var nav_enl1 = new Image();
	var nav_enl2 = new Image();
	
	var nav_bac1 = new Image();
	var nav_bac2 = new Image();
	
	var nav_nex1 = new Image();
	var nav_nex2 = new Image();
	
	var nav_enl21 = new Image();
	var nav_enl22 = new Image();
	
	var nav_enl31 = new Image();
	var nav_enl32 = new Image();
	var nav_enl41 = new Image();
	var nav_enl42 = new Image();
	var nav_enl51 = new Image();
	var nav_enl52 = new Image();

	var nav_enl61 = new Image();
	var nav_enl62 = new Image();
	var nav_enl71 = new Image();
	var nav_enl72 = new Image();
	var nav_enl81 = new Image();
	var nav_enl82 = new Image();
	var nav_enl91 = new Image();
	var nav_enl92 = new Image();
	var nav_enl101 = new Image();
	var nav_enl102 = new Image();
	
	var nav_btt21 = new Image();
	var nav_btt22 = new Image();
	var nav_btt31 = new Image();
	var nav_btt32 = new Image();
	var nav_btt41 = new Image();
	var nav_btt42 = new Image();
	
	var gall011 = new Image();
	var gall012 = new Image();
	var gall021 = new Image();
	var gall022 = new Image();
	var gall031 = new Image();
	var gall032 = new Image();
	var gall041 = new Image();
	var gall042 = new Image();
	var gall051 = new Image();
	var gall052 = new Image();
	var gall061 = new Image();
	var gall062 = new Image();
	var gall071 = new Image();
	var gall072 = new Image();
	var gall081 = new Image();
	var gall082 = new Image();
	var gall091 = new Image();
	var gall092 = new Image();
	var gall101 = new Image();
	var gall102 = new Image();
	var gall111 = new Image();
	var gall112 = new Image();
	var gall121 = new Image();
	var gall122 = new Image();
	var gall131 = new Image();
	var gall132 = new Image();
	var gall141 = new Image();
	var gall142 = new Image();
	var gall151 = new Image();
	var gall152 = new Image();
	var gall161 = new Image();
	var gall162 = new Image();
	


	nav_btt1.src = "/wgbh/nova/orchid/images/nav_backtotop.gif";
	nav_btt2.src = "/wgbh/nova/orchid/images/nav_backtotop_on.gif";
	
	nav_ctw1.src = "/wgbh/nova/images02/nav_closethiswindow.gif";
	nav_ctw2.src = "/wgbh/nova/images02/nav_closethiswindow_on.gif";
	
	nav_ctw21.src = "/wgbh/nova/images02/nav_closethiswindow2.gif";
	nav_ctw22.src = "/wgbh/nova/images02/nav_closethiswindow2_on.gif";
	
	nav_cre1.src = "/wgbh/nova/orchid/images/nav_icon_credits.gif";
	nav_cre2.src = "/wgbh/nova/orchid/images/nav_icon_credits_on.gif";
	
	nav_fee1.src = "/wgbh/nova/orchid/images/nav_icon_feedback.gif";
	nav_fee2.src = "/wgbh/nova/orchid/images/nav_icon_feedback_on.gif";
	
	// nav_pri1.src = "/wgbh/nova/images02/nav_icon_print.gif";
	// nav_pri2.src = "/wgbh/nova/images02/nav_icon_print_on.gif";
	
	nav_enl1.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl2.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	
	nav_bac1.src = "/wgbh/nova/orchid/images/nav_icon_back.gif";
	nav_bac2.src = "/wgbh/nova/orchid/images/nav_icon_back_on.gif";
	
	nav_nex1.src = "/wgbh/nova/orchid/images/nav_icon_next.gif";
	nav_nex2.src = "/wgbh/nova/orchid/images/nav_icon_next_on.gif";
	
	nav_enl21.src = "/wgbh/nova/images02/nav_side_enlarge2.gif";
	nav_enl22.src = "/wgbh/nova/images02/nav_side_enlarge2_on.gif";
	

	nav_enl31.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl32.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl41.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl42.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl51.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl52.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl61.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl62.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl71.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl72.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl81.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl82.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl91.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl92.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	nav_enl101.src = "/wgbh/nova/images02/nav_side_enlarge.gif";
	nav_enl102.src = "/wgbh/nova/images02/nav_side_enlarge_on.gif";
	
	nav_btt21.src = "/wgbh/nova/images02/nav_backtotop.gif";
	nav_btt22.src = "/wgbh/nova/images02/nav_backtotop_on.gif";
	nav_btt31.src = "/wgbh/nova/images02/nav_backtotop.gif";
	nav_btt32.src = "/wgbh/nova/images02/nav_backtotop_on.gif";
	nav_btt41.src = "/wgbh/nova/images02/nav_backtotop.gif";
	nav_btt42.src = "/wgbh/nova/images02/nav_backtotop_on.gif";

	gall011.src = "/wgbh/nova/orchid/images/gall_icon_intro.gif";
	gall012.src = "/wgbh/nova/orchid/images/gall_icon_intro_on.gif";
	gall021.src = "/wgbh/nova/orchid/images/gall_icon_vanda.gif";
	gall022.src = "/wgbh/nova/orchid/images/gall_icon_vanda_on.gif";
	gall031.src = "/wgbh/nova/orchid/images/gall_icon_stanhopea.gif";
	gall032.src = "/wgbh/nova/orchid/images/gall_icon_stanhopea_on.gif";
	gall041.src = "/wgbh/nova/orchid/images/gall_icon_catasetum.gif";
	gall042.src = "/wgbh/nova/orchid/images/gall_icon_catasetum_on.gif";
	gall051.src = "/wgbh/nova/orchid/images/gall_icon_tolumnia.gif";
	gall052.src = "/wgbh/nova/orchid/images/gall_icon_tolumnia_on.gif";
	gall061.src = "/wgbh/nova/orchid/images/gall_icon_phalaenopsis.gif";
	gall062.src = "/wgbh/nova/orchid/images/gall_icon_phalaenopsis_on.gif";
	gall071.src = "/wgbh/nova/orchid/images/gall_icon_masdevallia.gif";
	gall072.src = "/wgbh/nova/orchid/images/gall_icon_masdevallia_on.gif";
	gall081.src = "/wgbh/nova/orchid/images/gall_icon_brassia.gif";
	gall082.src = "/wgbh/nova/orchid/images/gall_icon_brassia_on.gif";
	gall091.src = "/wgbh/nova/orchid/images/gall_icon_himantogloss.gif";
	gall092.src = "/wgbh/nova/orchid/images/gall_icon_himantogloss_on.gif";
	gall101.src = "/wgbh/nova/orchid/images/gall_icon_laelia.gif";
	gall102.src = "/wgbh/nova/orchid/images/gall_icon_laelia_on.gif";
	gall111.src = "/wgbh/nova/orchid/images/gall_icon_aerides.gif";
	gall112.src = "/wgbh/nova/orchid/images/gall_icon_aerides_on.gif";
	gall121.src = "/wgbh/nova/orchid/images/gall_icon_spathoglottis.gif";
	gall122.src = "/wgbh/nova/orchid/images/gall_icon_spathoglottis_on.gif";
	gall131.src = "/wgbh/nova/orchid/images/gall_icon_schomburgkia.gif";
	gall132.src = "/wgbh/nova/orchid/images/gall_icon_schomburgkia_on.gif";
	gall141.src = "/wgbh/nova/orchid/images/gall_icon_dendrobium.gif";
	gall142.src = "/wgbh/nova/orchid/images/gall_icon_dendrobium_on.gif";
	gall151.src = "/wgbh/nova/orchid/images/gall_icon_phragmepedium.gif";
	gall152.src = "/wgbh/nova/orchid/images/gall_icon_phragmepedium_on.gif";
	gall161.src = "/wgbh/nova/orchid/images/gall_icon_coelogyne.gif";
	gall162.src = "/wgbh/nova/orchid/images/gall_icon_coelogyne_on.gif";
}