function once_window() {
	newwin = window.open("once-flash.html", "once_window", 
		'toolbar=0,location=0,directories=0,scrollbars=1,status=0,menubar=0,resizable=1,width=725,height=573');
	window.self.name = "once_parent";
}

function anat_window() {
	newwin = window.open("anat-flash.html", "anat_window", 
		'toolbar=0,location=0,directories=0,scrollbars=1,status=0,menubar=0,resizable=1,width=776,height=540');
	window.self.name = "anat_parent";
}

if(document.images) {
	
	var nav_bac1 = new Image();
	var nav_bac2 = new Image();
	
	var nav_btt1 = new Image();
	var nav_btt2 = new Image();
	
	var nav_cre1 = new Image();
	var nav_cre2 = new Image();
	
	var nav_ctw1 = new Image();
	var nav_ctw2 = new Image();
	
	var nav_enl1 = new Image();
	var nav_enl2 = 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_enl131 = new Image();
	var nav_enl132 = new Image();
	var nav_enl141 = new Image();
	var nav_enl142 = new Image();
	var nav_enl151 = new Image();
	var nav_enl152 = new Image();
	var nav_enl161 = new Image();
	var nav_enl162 = new Image();
	var nav_enl171 = new Image();
	var nav_enl172 = new Image();
	var nav_enl181 = new Image();
	var nav_enl182 = new Image();
	var nav_enl191 = new Image();
	var nav_enl192 = new Image();
	var nav_enl201 = new Image();
	var nav_enl202 = new Image();
	var nav_enl211 = new Image();
	var nav_enl212 = new Image();
	
	var nav_fee1 = new Image();
	var nav_fee2 = new Image();

	var nav_lau11 = new Image();
	var nav_lau12 = new Image();
	
	var nav_nex1 = new Image();
	var nav_nex2 = new Image();
	
	nav_bac1.src = "/wgbh/nova/images02/nav_icon_back.gif";
	nav_bac2.src = "/wgbh/nova/images02/nav_icon_back_on.gif";

	nav_btt1.src = "/wgbh/nova/images02/nav_backtotop.gif";
	nav_btt2.src = "/wgbh/nova/images02/nav_backtotop_on.gif";
	
	nav_cre1.src = "/wgbh/nova/images03/nav_icon_credits.gif";
	nav_cre2.src = "/wgbh/nova/images03/nav_icon_credits_on.gif";
	
	nav_ctw1.src = "/wgbh/nova/images03/nav_ctw.gif";
	nav_ctw2.src = "/wgbh/nova/images03/nav_ctw_on.gif";
	
	nav_enl1.src = "/wgbh/nova/tsunami/images/nav_side_enlarge.gif";
	nav_enl2.src = "/wgbh/nova/tsunami/images/nav_side_enlarge_on.gif";
	nav_enl21.src = "/wgbh/nova/tsunami/images/nav_side_enlarge.gif";
	nav_enl22.src = "/wgbh/nova/tsunami/images/nav_side_enlarge_on.gif";
	nav_enl31.src = "/wgbh/nova/tsunami/images/nav_side_enlarge.gif";
	nav_enl32.src = "/wgbh/nova/tsunami/images/nav_side_enlarge_on.gif";
	nav_enl41.src = "/wgbh/nova/tsunami/images/nav_side_enlarge.gif";
	nav_enl42.src = "/wgbh/nova/tsunami/images/nav_side_enlarge_on.gif";
	nav_enl51.src = "/wgbh/nova/tsunami/images/nav_side_enlarge.gif";
	nav_enl52.src = "/wgbh/nova/tsunami/images/nav_side_enlarge_on.gif";

	nav_enl131.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl132.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl141.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl142.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl151.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl152.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl161.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl162.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl171.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl172.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl181.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl182.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl191.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl192.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl201.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl202.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	nav_enl211.src = "/wgbh/nova/images02/nav_side_enlarge3.gif";
	nav_enl212.src = "/wgbh/nova/images02/nav_side_enlarge3_on.gif";
	
	nav_fee1.src = "/wgbh/nova/images03/nav_icon_feedback.gif";
	nav_fee2.src = "/wgbh/nova/images03/nav_icon_feedback_on.gif";
	
	nav_lau11.src = "/wgbh/nova/tsunami/images/laun-header.gif";
	nav_lau12.src = "/wgbh/nova/tsunami/images/laun-header-on.gif";
	
	nav_nex1.src = "/wgbh/nova/images02/nav_icon_next.gif";
	nav_nex2.src = "/wgbh/nova/images02/nav_icon_next_on.gif";
}