// JavaScript Document


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; 
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
  {
	  x.src=x.oSrc
  };
	ssetPage();
}

function MM_preloadImages() { //v3.0
//InitialiseBannerAdRotator();
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ssetPage()
{
	if(document.location.href) 
		xhrefString = document.location.href;
		
	else
		xhrefString = document.location;

var sPath = window.location.pathname;
//var sPage = sPath.substring(sPath.lastIndexOf('\\') + 1);
var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
var sPage = sPage.substring(0,sPage.lastIndexOf('.'));
//alert(sPage);

	if (document.getElementById("navmenu")!=null) 
		ssetActiveMenu(document.getElementById("navmenu").getElementsByTagName("a"), sPage );
		//ssetActiveMenu(document.getElementById("navmenu").getElementsByTagName("a"), sextractPageName(xhrefString));
}

function ssetActiveMenu(arrx, xcrtPage)
{
	
	for(var i=0; i < arrx.length; i++)
		if(sextractPageName(arrx[i].href) == xcrtPage)
		{
			var arr = getpagemenu(xcrtPage);
			//alert(arr);
			if (arr == "index")
			{
				MM_swapImage('Image1','','images/about-roll.png',1);
			}
			else if ((arr == "energymeters") || (arr == "rangeofcontrollers") || (arr == "voicelogger") ){
				MM_swapImage('Image2','','images/pro-glance-roll.png',1)
			}
			else if ((arr == "energy") || (arr == "range") || (arr == "voice") ){
				MM_swapImage('Image4','','images/product-roll.png',1)
			}
			else if ((arr == "careers")){
				MM_swapImage('Image3','','images/careers-roll.png',1)
			}
			else if ((arr == "businessopp")){
				MM_swapImage('Image5','','images/business-opp-roll.png',1)
			}
			else if ((arr == "contactus")){
				MM_swapImage('Image6','','images/contact-roll.png',1)
			}
			else if ((arr == "enquiry")){
				MM_swapImage('Image7','','images/enquiry-roll.png',1)
			}
		}
}
function sextractPageName(xhrefString)
{
		var sPath = xhrefString;
		//var sPage = sPath.substring(sPath.lastIndexOf('\\') + 1);
		var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
		var sPage = sPage.substring(0,sPage.lastIndexOf('.'));
		return sPage;
	//alert xhrefString;
	/*var arrx = new Array();
	var arrx = xhrefString.split('.');
	var arrxlen = arrx.length;
	var arrstr = arrx[0]);
	
	arrx = arr.split('/');
	return arrx[arrxlen-1].toLowerCase();	*/	
}

function getpagemenu(xhrefString)
{
 	var arr = xhrefString.split('_');
	return arr[0].toLowerCase(); 
}


/*  code for banner */

//JavaScript Banner Ad Rotator version 2.1 - last modified 16 November 2000
//Obtained from http://www.brettb.com/js_banner_ad_rotator.asp

//User defined variables - change these variables to alter the behaviour of the script
var ImageFolder = "images/banner"; //Folder name containing the images
var ImageFileNames = new Array('021298-0.gif', '021298-1.gif'); //List of images to use
var ImageURLs = new Array('http://www.amazon.com/exec/obidos/redirect?tag=brettbcom&path=subst/home/home.html', 'http://winnershtriangle.com/w/Products.ASPDocumentationTool.asp'); //List of hyperlinks associated with the list of images
var DefaultURL = 'http://www.amazon.com/exec/obidos/redirect?tag=brettbcom&path=subst/home/home.html'; //Default hyperlink for the Banner Ad
var DisplayInterval = 3; //Number of seconds to wait before the next image is displayed
var TargetFrame = ""; //Name of the frame to open the hyperlink into
//Internal variables (do not change these unless you know what you are doing)
var IsValidBrowser = false;
var BannerAdCode = 0;
var BannerAdImages = new Array(NumberOfImages);
var DisplayInterval = DisplayInterval * 1000;
var NumberOfImages = ImageFileNames.length;

//Add a trailing forward slash to the ImageFolder variable if it does not already have one
if (ImageFolder.substr(ImageFolder.length - 1, ImageFolder.length) != "/" && ImageFolder != "") { ImageFolder += "/";
}

if (TargetFrame == '') {
var FramesObject = null;
} else {
var FramesObject = eval('parent.' + TargetFrame);
}

//Function runs when this page has been loaded and does the following:
//1. Determine the browser name and version  (since the script will only work on Netscape 3+ and Internet Explorer 4+).
//2. Start the timer object that will periodically change the image displayed by the Banner Ad.
//3. Preload the images used by the Banner Ad rotator script
function InitialiseBannerAdRotator() {

//Determine the browser name and version
//The script will only work on Netscape 3+ and Internet Explorer 4+
var BrowserType = navigator.appName;
var BrowserVersion = parseInt(navigator.appVersion);

if (BrowserType == "Netscape" && (BrowserVersion >= 3)) {
IsValidBrowser = true;
}

if (BrowserType == "Microsoft Internet Explorer" && (BrowserVersion >= 4)) {
IsValidBrowser = true;
}

if (IsValidBrowser) {
TimerObject = setTimeout("ChangeImage()", DisplayInterval);
BannerAdCode = 0;

for (i = 0; i < NumberOfImages; i++) {
BannerAdImages[i] = new Image();
BannerAdImages[i].src = ' ' + ImageFolder + ImageFileNames[i];
}

}

}

//Function to change the src of the Banner Ad image
function ChangeImage() {

if (IsValidBrowser) {
BannerAdCode = BannerAdCode + 1;

if (BannerAdCode == NumberOfImages) {
BannerAdCode = 0;
}

window.document.bannerad.src = BannerAdImages[BannerAdCode].src;
TimerObject = setTimeout("ChangeImage()", DisplayInterval);
}
}

//Function to redirect the browser window/frame to a new location,
//depending on which image is currently being displayed by the Banner Ad.
//If Banner Ad is being displayed on an old browser then the DefaultURL is displayed
function ChangePage() {

if (IsValidBrowser) {

if (TargetFrame != '' && (FramesObject)) {
FramesObject.location.href = ImageURLs[BannerAdCode];
} else {
document.location = ImageURLs[BannerAdCode];
}

} else if (!IsValidBrowser) {
document.location = DefaultURL;
}

}