var bAgentNetscape4 = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bAgentExplorer4 = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");
var YPOS = 0;
var XPOS = 0;
var percent = 0;
var offset = 0;

InvokeMenu();
InvokeDot();

function MoveHandler(evnt) {
	Xpos = evnt.pageX ;
	Ypos = evnt.pageY ;
}

function InvokeDot() {
	if (!bAgentNetscape4)
		return;
	window.captureEvents(Event.MOUSEMOVE);
	window.onMouseMove = MoveHandler;
}


function SetMenuPosition(leftPixel) {
	if (bAgentNetscape4) {
		document.layers.layerMenu.left=leftPixel;

	}
	else if (bAgentExplorer4) {
		document.all("spanMenu").style.left=leftPixel;
	}
	return true;
}


function PositionMenu() {
	if (bAgentNetscape4) { 
		offset = self.pageYOffset;
		if(offset != YPOS) {
			percent = .3 * (offset - YPOS);
			if(percent > 0) percent = Math.ceil(percent);
			else percent = Math.floor(percent);
			document.layers.layerMenu.moveBy(0,percent);
			YPOS = YPOS + percent;
		}

	}
	else if (bAgentExplorer4) { 
		offset = document.body.scrollTop;
		if(offset != YPOS) {
			percent = .3 * (offset - YPOS);
			if(percent > 0) percent = Math.ceil(percent);
			else percent = Math.floor(percent);
			document.all("spanMenu").style.top = document.body.scrollTop - percent;
			YPOS = YPOS + percent;
		}

	}
	return true;
}

function InvokeMenu () {
	document.write('<MAP NAME="menu">\n');
	document.write('	<AREA SHAPE=POLY COORDS="140,17,140,41,82,41,82,71,17,71,17,17,140,17" HREF="http://www.museum.ru/museum/1812/Persons/index.html">\n');
	document.write('	<AREA SHAPE=POLY COORDS="114,46,177,46,177,13,241,13,241,74,114,73,114,46" HREF="http://www.museum.ru/museum/1812/War/index.html">\n');
	document.write('	<AREA SHAPE=POLY COORDS="13,80,162,81,162,106,94,106,94,138,13,138,13,80" HREF="http://www.museum.ru/museum/1812/Army/index.html">\n');
	document.write('	<AREA SHAPE=POLY COORDS="98,140,98,126,168,126,168,77,241,77,241,144,98,144,98,140" HREF="http://www.museum.ru/museum/1812/Memorial/index.html">\n');
	document.write('	<AREA SHAPE=POLY COORDS="158,149,158,164,87,164,87,209,15,209,15,149,158,149" HREF="http://www.museum.ru/museum/1812/Library/index.html">\n');
	document.write('	<AREA SHAPE=POLY COORDS="240,149,240,207,90,207,90,175,172,175,172,149,240,149" HREF="http://www.museum.ru/museum/1812/Painting/index.html">\n');
	document.write('	<AREA SHAPE=RECT COORDS="24,215,229,231" HREF="http://www.museum.ru/museum/1812/" ALT="К истоку проекта">\n');
	document.write('	<AREA SHAPE=default HREF="http://www.museum.ru/museum/1812/">\n');
	document.write('</MAP>\n');
	if (bAgentNetscape4) { 
		document.write('<layer id="layerMenu" left="-253" width="267" top="0" height="244" clip="0,0,267,244" onMouseOver="javascript:SetMenuPosition(-2);" onMouseOut="javascript:SetMenuPosition(-253);">\n<img src="http://www.museum.ru/museum/1812/pic/menu.gif" width=267 height=244 border=0 usemap="#menu">\n</layer>\n'); 
	}
	else if (bAgentExplorer4) { 
		document.write('<span id="spanMenu" style="container: positioned; position: absolute; left: -253px; top: 0px; width: 267px; height: 244px;" onMouseOver="javascript:SetMenuPosition(-2);" onMouseOut="javascript:SetMenuPosition(-253);">\n<img src="http://www.museum.ru/museum/1812/pic/menu.gif" width=267 height=244 border=0 usemap="#menu">\n</span>\n'); 
	}
	if (bAgentNetscape4 || bAgentExplorer4) { 
		setInterval("PositionMenu()", 100);
	}
	return true;
}