/**
Image rollover. SGR Engineering Ltd. (c) 2006. www.sgrisp.co.uk

Call the preloader once for each button at the start of the body, using its label and alternate image source

Use <a href="html.html" 
       onMouseOver="rollover('home')" 
       onMouseOut="rollout('home')">
       <img name=label src=src></a> 
       
Call the preloader once for each button, using its label and alternate image source
 */
var rollOverArr=new Array();
var preloadArr=new Array();

function preloadRollover(ImgSrc,ImageLabel)
{
if (! document.images)return;
if (! ImgSrc)return;
if (! ImageLabel)return;
rollOverArr[ImageLabel]=new Object;
rollOverArr[ImageLabel].overImg = new Image();
rollOverArr[ImageLabel].overImg.src=ImgSrc;
preloadArr[ImageLabel] = new Image();
preloadArr[ImageLabel].src = ImgSrc;
}

function rollover(ImageLabel)
{
if (! document.images)return;
if (! rollOverArr[ImageLabel])return;
if (! rollOverArr[ImageLabel].outImg)
    {
    rollOverArr[ImageLabel].outImg = new Image();
    rollOverArr[ImageLabel].outImg.src = document.images[ImageLabel].src;
    }
document.images[ImageLabel].src=rollOverArr[ImageLabel].overImg.src;
}

function rollout(ImageLabel)
{
if (! document.images)return;
if (! rollOverArr[ImageLabel])return;
document.images[ImageLabel].src=rollOverArr[ImageLabel].outImg.src;
}

function showPic (whichpic) {
 if (document.getElementById) {
  document.getElementById('placeholder').src = whichpic.href;
  if (whichpic.title) {
   document.getElementById('desc').childNodes[0].nodeValue = whichpic.title;
  } else {
   document.getElementById('desc').childNodes[0].nodeValue = whichpic.childNodes[0].nodeValue;
  }
  return false;
 } else {
  return true;
 }
}

function SGRshowPic (whichpic) {
 if (document.getElementById) {
	 
  document.getElementById('fcsmultimedia').innerHTML = '<img src='+whichpic.href+'>';
  return false;
 } else {
  return true;
 }
}

function SGRshowVid (whichvid) {
 if (document.getElementById) {
	 
  document.getElementById('fcsmultimedia').innerHTML = '<object width="425" height="355"><param name="movie" value="'+whichvid.href+'"></param><param name="wmode" value="transparent"></param><embed src="'+whichvid.href+'" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"></embed></object>';
  if (window.external && typeof window.XMLHttpRequest == "undefined") { return true; }
  return false;
 } else {
  return true;
 }
}