<!--
// Last updated 08.16.1999 by Tom Terrones, ttt@apc.net
// borrow code don't steal - =)
// Some style sheet pecularities regarding hidding elements
// hide (NN) = hidden (NN,IE)
// show (NN) = visible (NN,IE)

var browser, version;
browser = navigator.appName;
version = navigator.appVersion;
var ie4 = (browser.indexOf("Explorer") >= 0) && ( (version.indexOf('4.') >= 0) || (version.indexOf('5.') >= 0) );
var nn4 = (browser.indexOf("Netscape") >= 0) && ( (version.indexOf('4.') >= 0) || (version.indexOf('5.') >= 0) );  
var oldIndex = 0; // hide previously moused over nav selection
var imageWindow = self.name;

var mydiv = new Array();
function startUp() {
  if (ie4 == true) {
    mydiv[0] = mecha;
    mydiv[1] = resources;
    mydiv[2] = misc;
  }
  else if (nn4 == true) {
    mydiv[0] = document.layers['mecha'];
    mydiv[1] = document.layers['resources'];
    mydiv[2] = document.layers['misc'];
  }
}

function showit(prod){
   if (ie4 == true) {
      hideit(oldIndex);
      mydiv[prod].style.visibility="visible";
   }
   else if (nn4 == true) {
      hideit(oldIndex);
      mydiv[prod].visibility="show";
   }
   oldIndex = prod;
}

function hideit(prod){
  if (ie4 == true)
    mydiv[prod].style.visibility="hidden"
  else if (nn4 == true)
    mydiv[prod].visibility="hide";
}
 
function winPopup(filename) {
  imageURL = "http://" + window.location.hostname + "/mechworks/" +  filename;
  if (!imageWindow.closed && imageWindow.name == "mechawindow")
    imageWindow.location.href = imageURL;
  else
    imageWindow = window.open(imageURL,"mechawindow","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=500,height=500","false");
  if (window.focus)
    imageWindow.focus();
  return false;
}   

// -->