
<!--
// mouse-over stuff
var nav_img_ld=0;

function nav_ld_imgs() {
	if (document.images) {  
		nav_iobj = new NavMakeArray(10);

		nav_iobj[ 0].src = "nav2.gif";
		nav_iobj[ 1].src = "nav2ov.gif";
		nav_iobj[ 2].src = "nav3.gif";
		nav_iobj[ 3].src = "nav3ov.gif";	
		nav_iobj[ 4].src = "nav4.gif";
		nav_iobj[ 5].src = "nav4ov.gif";
		nav_iobj[ 6].src = "nav5.gif";
		nav_iobj[ 7].src = "nav5ov.gif";
		nav_iobj[ 8].src = "nav1.gif";
		nav_iobj[ 9].src = "nav1ov.gif";
		nav_img_ld=1;
	}
	window.self.focus();
}

function NavMakeArray(n) {
	this.length = n;
	for (var i = 0; i< n; i++) this[i] = new Image();
	return this;
}
	
function nav_chng_img(imgName,imgNum) {
	if (nav_img_ld) {
		document [imgName].src = nav_iobj[imgNum].src;
	}
}




















/**
 * DHTML dropdown menu script.
 */
 
// SHOW MENU
function showLayer(layerName,imgName){
 img = getImage("NavImg");
 x = getImagePageLeft(img);
 y = getImagePageTop(img);
 menuTop = y + 20 ; // LAYER TOP POSITION
 worldL = x + 139 ; // 'Ser' LAYER LEFT POSITION
 planetL = x + 285 ;  // 'Pro' LAYER LEFT POSITION
 growL = x + 425 ; // 'Res' LAYER LEFT POSITION
 aboutL = x + 565 ;  // 'Rat' LAYER LEFT POSITION

if (NS4 || IE4 || NS6) {
 if (timeOn != null) {
 clearTimeout(timeOn)
 hideLayer(onLayer)
 }
 
if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 

if (NS6) {
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 
 onLayer = layerName
 }
}

 window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var NS4 = (bName == "Netscape" && bVer >= 4 && bVer < 5);
 var NS6 = (bName == "Netscape" && bVer >= 5);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null

 // LAYER SWITCHING CODE
 if (NS4 || IE4 || NS6) {
  if (navigator.appName == "Netscape" && !document.getElementById){
  layerStyleRef="layer.";
  layerRef="document.layers";
  styleSwitch="";
  layerVis="show";
  layerHid="hide";
  }
  else if (!document.all && document.getElementById) {
  layerStyleRef="layer.style.";
  layerRef="document.getElementById";
  styleSwitch=".style";
  layerVis="visible";
  layerHid="hidden";
  }
  else{
  layerStyleRef="layer.style.";
  layerRef="document.all";
  styleSwitch=".style";
  layerVis="visible";
  layerHid="hidden";
  }
}

// HIDE MENU
function hideLayer(layerName){
 if (menuActive == 0) {
  if (NS4 || IE4) {
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerHid+'"');
  }
  if (NS6) {
  eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerHid+'"');
  }
 }
}

// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",100)
}

// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer)
 }
}

// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}

// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 
 timeOn = setTimeout("hideLayer(onLayer)", 400)
}

// SET BACKGROUND COLOR 
function setBgColor(layer, color) {
  if (NS4){
    eval('window.document.layers["'+layer+'"].document.bgColor="'+color+'"');
	eval('window.document.layers["'+layer+'"].saveColor="'+color+'"');
  }
  if (NS6){
    eval('document.getElementById("'+layer+'").style.backgroundColor="'+color+'"');
  }
  if (IE4){
    eval('document.all.'+layer+'.style.backgroundColor="'+color+'"');
  }
}

function getImage(name) {
  if (NS4 || NS6) {
    return findImage(name, document);
  }
  if (IE4)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  if (IE4 || NS6) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (NS4) {
    if (img.container != null){
	alert(img.container.pageY + img.y);
      return img.container.pageY + img.y;
}
    else
      return img.y;
  }
  if (IE4 || NS6) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}

// -->