var numPages = 13;

isIE3 = (navigator.appName.indexOf("Microsoft") != -1 && parseInt(navigator.appVersion.charAt(0)) <= 3);

if ((!isIE3) && document.images) {
	if (sec) {
		for (i=1;i<=numPages;i++) {
			eval("b_"+String(i)+"_off = new Image;");
			eval("b_"+String(i)+"_on = new Image;");
			eval("b_"+String(i)+"_descript = new Image;");
			eval("b_"+String(i)+"_off.src = \"images/navigation/"+String(i)+"_off.gif\";");
			eval("b_"+String(i)+"_on.src = \"images/navigation/"+String(i)+"_roll.gif\";");
			eval("b_"+String(i)+"_descript.src = \"images/navigation/"+String(i)+"_descript.gif\";");
		}
		b_default_descript = new Image;
		eval("b_default_descript.src = \"images/navigation/"+String(sec)+"_descript.gif\";");
		magnify_off = new Image;
		magnify_on = new Image;
		magnify_off.src = "images/content/magnify_off.gif";
		magnify_on.src = "images/content/magnify_on.gif";
		home_off = new Image;
		home_on = new Image;
		home_off.src = "images/navigation/home_off.gif";		
		home_on.src = "images/navigation/home_on.gif";
		prev_off = new Image;
		prev_on = new Image;
		prev_off.src = "images/home/previous_off.gif";		
		prev_on.src = "images/home/previous_roll.gif";			
		next_off = new Image;
		next_on = new Image;
		next_off.src = "images/home/next_off.gif";		
		next_on.src = "images/home/next_roll.gif";				
	} else {
		close_off = new Image;
		close_on = new Image;
		close_off.src = "images/detail/close_off.gif";
		close_on.src = "images/detail/close_roll.gif";
		begin_off = new Image;
		begin_on = new Image;
		begin_off.src = "images/home/begin_off.gif";
		begin_on.src = "images/home/begin_on.gif";
	}
}

function switch_image(nameStr, sourceStr) {
	if ((!isIE3) && eval("document.images." + nameStr)) {
eval( 'document.images.' + nameStr + '.src="' + sourceStr + '";' );
	}
}

function switch_image_object(nameStr, sourceStr) {
	if ((!isIE3) && eval("document.images." + nameStr)) {
eval( 'document.images.' + nameStr + '.src=' + sourceStr + '.src;' );
	}
}

function roll_nav_descript(numSec) {
	if ((!isIE3) && eval("document.images.b_"+String(numSec))) {
		if (eval("document.images.b_"+String(numSec) + ".src == " + "b_"+String(numSec) + "_off.src")) {
			if (sec != numSec) {
				switch_image_object("b_"+String(numSec),"b_"+String(numSec) + "_on");
				switch_image_object("descript","b_" + String(numSec) + "_descript");
			}
		} else {
			if (sec != numSec) {
				switch_image_object("b_"+String(numSec),"b_" + String(numSec) + "_off");
				switch_image_object("descript","b_default_descript");
			}
		}
	}
}

function write_nav() {
	document.write("<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"750\"><tr><td colspan=\"2\"><IMG SRC=\"images/navigation/back_spacer.gif\" ALT=\"\" WIDTH=\"36\" HEIGHT=\"43\" BORDER=\"0\"><A HREF=\"../../../\"><IMG SRC=\"images/navigation/back_home.gif\" ALT=\"Back to Faces of Impressionism Home\" WIDTH=\"187\" HEIGHT=\"43\" BORDER=\"0\"></a><IMG SRC=\"images/navigation/top.gif\" ALT=\"\" WIDTH=\"527\" HEIGHT=\"43\" BORDER=\"0\"></td></tr><tr><td><IMG SRC=\"images/navigation/center.gif\" ALT=\"\" WIDTH=\"663\" HEIGHT=\"29\" BORDER=\"0\"><A HREF=\"../../../home\" ONMOUSEOVER=\"switch_image_object('home', 'home_on');\" ONMOUSEOUT=\"switch_image_object('home', 'home_off');\"><IMG SRC=\"images/navigation/home_off.gif\" ALT=\"Cleveland Museum of Art Home Page\" WIDTH=\"87\" HEIGHT=\"29\" BORDER=\"0\" NAME=\"home\"></A></td></tr><tr><td><NOBR><IMG SRC=\"images/navigation/number_spacer.gif\" ALT=\"\" WIDTH=\"29\" HEIGHT=\"20\" BORDER=\"0\">");
	for (i=1;i<=numPages;i++) {
		if (i == sec) {
			document.write("<A HREF=\""+String(i)+".html\" ONMOUSEOVER=\"roll_nav_descript("+String(i)+");\" ONMOUSEOUT=\"roll_nav_descript("+String(i)+");\"><IMG SRC=\"images/navigation/"+String(i)+"_on");
		} else {
			document.write("<A HREF=\""+String(i)+".html\" ONMOUSEOVER=\"roll_nav_descript("+String(i)+");\" ONMOUSEOUT=\"roll_nav_descript("+String(i)+");\"><IMG SRC=\"images/navigation/"+String(i)+"_off");
		}
		document.write(".gif\" ALT=\"\" WIDTH=\"");
		if (i < 10) {
			document.write("16");
		} else {
			document.write("20");
		}
		document.write("\" HEIGHT=\"20\" BORDER=\"0\" NAME=\"b_"+String(i)+"\"></A>");
	}
	document.write("<IMG SRC=\"images/navigation/number_spacer2.gif\" ALT=\"\" WIDTH=\"58\" HEIGHT=\"20\" BORDER=\"0\"><IMG SRC=\"images/navigation/"+String(sec)+"_descript.gif\" ALT=\"\" WIDTH=\"352\" HEIGHT=\"20\" BORDER=\"0\" NAME=\"descript\"><IMG SRC=\"images/navigation/number_spacer3.gif\" ALT=\"\" WIDTH=\"87\" HEIGHT=\"20\" BORDER=\"0\"></NOBR></td></tr></table>");
}

function open_detail(orientation, numSec) {
	if (orientation) {
		popupWin = window.open(String(numSec)+'_detail.html', 'detail', 'width=750,scrollbars,left=10,top=10');
	} else {
		popupWin = window.open(String(numSec)+'_detail.html', 'detail', 'width=600,scrollbars,left=10,top=10');
	}
}