//====================================================================================================================	
	
	var topNavActivePos 	 = -47;
	var topNavInactivePos 	 = -41;
	var topNavAnimationSpeed = 1000;
	var topNavAnimating 	 = false;
	var topNavFx;
	
	var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
	var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
	var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
	
	window.addEvent('domready',function() {new SmoothScroll({ duration:1000 }, window);});
	window.addEvent('domready',topNavInit);

//====================================================================================================================	

	function topNavInit()
	{
		//Initialise the slider position setting
		var sliderPos = 0;
		
		//with each list item in the top nav
		$$('.topNav')[0].getChildren()[1].getChildren().each(function(el){
			
			//Get the link inside the list item
			var elLink = el.getChildren()[0];
			
			//Set the link's position to inactive
			elLink.setStyles({'position':'relative', 'top':topNavInactivePos});
			
			//Add a click event to the link and prevent the link bubbling (stops the link being followed)
			elLink.addEvent('click', function(event){
				event.stop();
				topNavClick(event.target);
			});
			
			//If the link is the active one
			if(elLink.hasClass('active'))
			{
				//Remove the active CSS class from the link
				elLink.removeClass('active');
				//Set the link's position to active
				elLink.setStyle('top',topNavActivePos);
				//Set the slider position setting to the link's to make it appear active
				sliderPos = elLink.getLeft()-$$('.topNav')[0].getLeft();
			}
		});
		
		//Set the slider's position to the position setting
		$('slider').setStyles({'display':'block', 'left':sliderPos});
	
		//Create the Morph animation for the slider
		topNavFx = new Fx.Morph($('slider'),{duration:topNavAnimationSpeed, transition: Fx.Transitions.Sine.easeOut, wait:false, wait:false});
	}
	
//====================================================================================================================	

	function topNavClick(target)
	{
		//If not already animating
		if (!topNavAnimating)
		{
			//Set the animating flag to prevent this code being fired again
			topNavAnimating = true;
	
			//with each list item in the top nav
			$$('.topNav')[0].getChildren()[1].getChildren().each(function(el){
				//Get the link inside the list item
				var elLink = el.getChildren()[0];
				//Create and start an animation to slide the link to the inactive position
				new Fx.Morph(elLink,{duration:topNavAnimationSpeed/2, transition: Fx.Transitions.Sine.easeOut}).start({'top':topNavInactivePos});
			});
		
			//Get the position of the clicked link and animate the slider to it's position
			var pos = target.getLeft()-$$('.topNav')[0].getLeft();
			topNavFx.start({'left':pos});
		
			//Create an animation to slide the link to the active position, navigating to the link's URL when the animation is complete
			var fxLink = new Fx.Morph(target,{duration:topNavAnimationSpeed/2, transition: Fx.Transitions.Sine.easeOut, onComplete:function(){document.location.href=target.href;}});
	
			//Delay the animation for the duration of the slider animation then start it
			(function(){fxLink.start({top:topNavActivePos});}).delay(topNavAnimationSpeed);
		}
	}
	
//====================================================================================================================	

	function showFlash()
	{
		if (DetectFlashVer(9,0,0))
		{
			AC_FL_RunContent( 
				'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0',
				'width','270',
				'height','95',
				'title','Transdrive Engineering Services Ltd',
				'src','/images/LogoContainer.swf',
				'quality','high',
				'pluginspage','http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash',
				'movie','/images/LogoContainer' 
			); 
		}
		
	}	

//====================================================================================================================	

	function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
	{
		versionStr = GetSwfVer();
		if (versionStr == -1 ) {
			return false;
		} else if (versionStr != 0) {
			if(isIE && isWin && !isOpera) {
				// Given "WIN 2,0,0,11"
				tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
				tempString        = tempArray[1];			// "2,0,0,11"
				versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
			} else {
				versionArray      = versionStr.split(".");
			}
			var versionMajor      = versionArray[0];
			var versionMinor      = versionArray[1];
			var versionRevision   = versionArray[2];
	
	        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
			if (versionMajor > parseFloat(reqMajorVer)) {
				return true;
			} else if (versionMajor == parseFloat(reqMajorVer)) {
				if (versionMinor > parseFloat(reqMinorVer))
					return true;
				else if (versionMinor == parseFloat(reqMinorVer)) {
					if (versionRevision >= parseFloat(reqRevision))
						return true;
				}
			}
			return false;
		}
	}
	
//====================================================================================================================	

	function AC_FL_RunContent(){
	  var ret = 
	    AC_GetArgs
	    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
	     , "application/x-shockwave-flash"
	    );
	  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
	}
	
//====================================================================================================================	

	function GetSwfVer(){
		// NS/Opera version >= 3 check for Flash plugin in plugin array
		var flashVer = -1;
		if (navigator.plugins != null && navigator.plugins.length > 0) {
			if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
				var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
				var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
				var descArray = flashDescription.split(" ");
				var tempArrayMajor = descArray[2].split(".");			
				var versionMajor = tempArrayMajor[0];
				var versionMinor = tempArrayMajor[1];
				var versionRevision = descArray[3];
				if (versionRevision == "") {
					versionRevision = descArray[4];
				}
				if (versionRevision[0] == "d") {
					versionRevision = versionRevision.substring(1);
				} else if (versionRevision[0] == "r") {
					versionRevision = versionRevision.substring(1);
					if (versionRevision.indexOf("d") > 0) {
						versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
					}
				}
				var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			}
		}
		// MSN/WebTV 2.6 supports Flash 4
		else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
		// WebTV 2.5 supports Flash 3
		else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
		// older WebTV supports Flash 2
		else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
		else if ( isIE && isWin && !isOpera ) {
			flashVer = ControlVersion();
		}	
		return flashVer;
	}
	
//====================================================================================================================	
	
	function ControlVersion()
	{
		var version;
		var axo;
		var e;
	
		// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry
	
		try {
			// version will be set for 7.X or greater players
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	
		if (!version)
		{
			try {
				// version will be set for 6.X players only
				axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
				
				// installed player is some revision of 6.0
				// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
				// so we have to be careful. 
				
				// default to the first public version
				version = "WIN 6,0,21,0";
	
				// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
				axo.AllowScriptAccess = "always";
	
				// safe to call for 6.0r47 or greater
				version = axo.GetVariable("$version");
	
			} catch (e) {
			}
		}
	
		if (!version)
		{
			try {
				// version will be set for 4.X or 5.X player
				axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
				version = axo.GetVariable("$version");
			} catch (e) {
			}
		}
	
		if (!version)
		{
			try {
				// version will be set for 3.X player
				axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
				version = "WIN 3,0,18,0";
			} catch (e) {
			}
		}
	
		if (!version)
		{
			try {
				// version will be set for 2.X player
				axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
				version = "WIN 2,0,0,11";
			} catch (e) {
				version = -1;
			}
		}
		
		return version;
	}
	
//====================================================================================================================	

	function AC_Generateobj(objAttrs, params, embedAttrs) 
	{ 
	  var str = '';
	  if (isIE && isWin && !isOpera)
	  {
	    str += '<object ';
	    for (var i in objAttrs)
	    {
	      str += i + '="' + objAttrs[i] + '" ';
	    }
	    str += '>';
	    for (var i in params)
	    {
	      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
	    }
	    str += '</object>';
	  }
	  else
	  {
	    str += '<embed ';
	    for (var i in embedAttrs)
	    {
	      str += i + '="' + embedAttrs[i] + '" ';
	    }
	    str += '> </embed>';
	  }
	
	  document.write(str);
	}
	
//====================================================================================================================	

	function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
	  var ret = new Object();
	  ret.embedAttrs = new Object();
	  ret.params = new Object();
	  ret.objAttrs = new Object();
	  for (var i=0; i < args.length; i=i+2){
	    var currArg = args[i].toLowerCase();    
	
	    switch (currArg){	
	      case "classid":
	        break;
	      case "pluginspage":
	        ret.embedAttrs[args[i]] = args[i+1];
	        break;
	      case "src":
	      case "movie":	
	        args[i+1] = AC_AddExtension(args[i+1], ext);
	        ret.embedAttrs["src"] = args[i+1];
	        ret.params[srcParamName] = args[i+1];
	        break;
	      case "onafterupdate":
	      case "onbeforeupdate":
	      case "onblur":
	      case "oncellchange":
	      case "onclick":
	      case "ondblClick":
	      case "ondrag":
	      case "ondragend":
	      case "ondragenter":
	      case "ondragleave":
	      case "ondragover":
	      case "ondrop":
	      case "onfinish":
	      case "onfocus":
	      case "onhelp":
	      case "onmousedown":
	      case "onmouseup":
	      case "onmouseover":
	      case "onmousemove":
	      case "onmouseout":
	      case "onkeypress":
	      case "onkeydown":
	      case "onkeyup":
	      case "onload":
	      case "onlosecapture":
	      case "onpropertychange":
	      case "onreadystatechange":
	      case "onrowsdelete":
	      case "onrowenter":
	      case "onrowexit":
	      case "onrowsinserted":
	      case "onstart":
	      case "onscroll":
	      case "onbeforeeditfocus":
	      case "onactivate":
	      case "onbeforedeactivate":
	      case "ondeactivate":
	      case "type":
	      case "codebase":
	      case "id":
	        ret.objAttrs[args[i]] = args[i+1];
	        break;
	      case "width":
	      case "height":
	      case "align":
	      case "vspace": 
	      case "hspace":
	      case "class":
	      case "title":
	      case "accesskey":
	      case "name":
	      case "tabindex":
	        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
	        break;
	      default:
	        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
	    }
	  }
	  ret.objAttrs["classid"] = classid;
	  if (mimeType) ret.embedAttrs["type"] = mimeType;
	  return ret;
	}
	
//====================================================================================================================	

	function AC_AddExtension(src, ext)
	{
	  if (src.indexOf('?') != -1)
	    return src.replace(/\?/, ext+'?'); 
	  else
	    return src + ext;
	}

//====================================================================================================================