var yBase = window.innerHeight/2; 
var xBase = window.innerWidth/2; 
var delay = 20; var yAmpl = 10; 
var yMax = 40; var step = .2; 
var ystep = .5; 
var currStep = 0; 
var tAmpl=1; 
var Xpos = 10; 
var Ypos = 10; 
var j = 0;

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

function SetMenuPosition(leftPixel) {
	if (Netscape4) {
		document.layers.layerMenu.left=leftPixel; 
	}
	else if (Explorer4) {
		document.all("spanMenu").style.left=leftPixel; 
	}
	return true;
}

function PositionMenu() {
	if (Netscape4) { 
		document.layers.layerMenu.top = top.pageYOffset; 
	}
	else if (Explorer4) { 
		document.all("spanMenu").style.top=bbody.scrollTop; 
	}
	return true;
}

function InvokeMenu () {
	if (Netscape4) { 
		document.write('<layer id="layerMenu" left="-99" width="120" top="0" height="418" clip="0,0,121,396" onMouseOver="javascript:SetMenuPosition(-2);" onMouseOut="javascript:SetMenuPosition(-99);">\n<img src="menu.gif" width=120 height=367 border=0 usemap="#menu">\n</layer>\n'); 
	}
	else if (Explorer4) { 
		document.write('<span id="spanMenu" onMouseOver="javascript:SetMenuPosition(-2);" onMouseOut="javascript:SetMenuPosition(-99);">\n<img src="menu.gif" width=120 height=418 border=0 usemap="#menu">\n</span>\n'); 
	}
	if (Netscape4 || Explorer4) { 
		setInterval("PositionMenu()", 200);
	}
	return true;
}