// Version: 1.0.3 - Date Modified: 02/10/2006

var dcsAdArray=new Array;
var dcsAdPos=0;
var dcsRotBanner=new Array(3);
var dcsGImages=new Array;
var dcsGIndex=0;
var DCS=new Object();
var WT=new Object();
var DCSext=new Object();
var dcsGQP=new Array();
var dcsDomain = "www.mlc.com.au";
var dcsGif = "/cms/dynamic/resources/images/dcs.gif";

function dcsMultiTrack(){
	if (arguments.length%2==0){
		for (var i=0;i<arguments.length;i+=2){
			if (arguments[i].indexOf('WT.')==0){
				WT[arguments[i].substring(3)]=
				arguments[i+1];
			} else if (arguments[i].indexOf('DCS.')==0){
				DCS[arguments[i].substring(4)]=
				arguments[i+1];
			} else if (arguments[i].indexOf('DCSext.')==0){
				DCSext[arguments[i].substring(7)]=
				arguments[i+1];
			}
		}
		var dcsCurrent=new Date();
		DCS.dcsdat=dcsCurrent.getTime();
		dcsTag();
	}
}

function dcsVar() {
	var dcsCurrent=new Date();
	var dcsCookieEnabled=(navigator.dcsCookieEnabled)? true : false;
	var dcsUserID = dcsGetCookieValue("cview3");
	WT.tz=dcsCurrent.getTimezoneOffset()/60*-1;
	if (WT.tz==0){
		WT.tz="0";
	}
	WT.bh=dcsCurrent.getHours();
	WT.ul=navigator.appName=="Netscape"?navigator.language:navigator.userLanguage;
	if (typeof(screen)=="object"){
		WT.cd=navigator.appName=="Netscape"?screen.pixelDepth:screen.colorDepth;
		WT.sr=screen.width+"x"+screen.height;
	}
	if (typeof(navigator.javaEnabled())=="boolean"){
		WT.jo=navigator.javaEnabled()?"Yes":"No";
	}
	var dcsContentGrpArray=dcsGetElementsByClass("crumb",null,null);
	if (dcsContentGrpArray[0]) {
		var dcsContentGrpString=dcsContentGrpArray[0].innerHTML;
		var dcsContentElementArray=dcsContentGrpString.split(" &gt; ");
		var dcsContentElementLength=dcsContentElementArray.length;
		if (dcsContentElementLength == 1) {
			WT.cg_n=dcsContentElementArray[0];
		} else if (dcsContentElementLength == 2) {
			var dcsElement1 = dcsContentElementArray[0];
			dcsElement1 = dcsElement1.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement1 = dcsElement1.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement1 = dcsElement1.split(">");
			var dcsContentGrp = dcsNewElement1[1] + " - " + dcsContentElementArray[1];
			WT.cg_n = dcsContentGrp;
		} else if (dcsContentElementLength == 3) {
			var dcsElement1 = dcsContentElementArray[0];
			dcsElement1 = dcsElement1.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement1 = dcsElement1.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement1 = dcsElement1.split(">");
			var dcsElement2 = dcsContentElementArray[1];
			dcsElement2 = dcsElement2.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement2 = dcsElement2.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement2 = dcsElement2.split(">");
			var dcsContentGrp = dcsNewElement1[1] + " - " + dcsNewElement2[1];
			WT.cg_n = dcsContentGrp;
			WT.cg_s = dcsContentElementArray[2];
		} else if (dcsContentElementLength > 3) {
			var dcsElement1 = dcsContentElementArray[0];
			dcsElement1 = dcsElement1.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement1 = dcsElement1.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement1 = dcsElement1.split(">");
			var dcsElement2 = dcsContentElementArray[1];
			dcsElement2 = dcsElement2.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement2 = dcsElement2.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement2 = dcsElement2.split(">");
			var dcsNewElement2 = dcsElement2.split(">");
			var dcsContentGrp = dcsNewElement1[1] + " - " + dcsNewElement2[1];
			var dcsElement3 = dcsContentElementArray[2];
			dcsElement3 = dcsElement3.replace(/\<strong\>/i,'');   // Remove openning strong tag
			dcsElement3 = dcsElement3.replace(/\<\/strong\>\<\/a\>/i,'');   // Remove closing strong tag and closing anchor tag
			var dcsNewElement3 = dcsElement3.split(">");
			var dcsSubContentGrp = dcsNewElement3[1];
			WT.cg_n = dcsContentGrp;
			WT.cg_s = dcsSubContentGrp;
		}
	}
	if (document.title) {
		var dcsPageTitle = document.getElementsByTagName("H1");
		var dcsPageTitle2 = dcsGetElementsByClass("crumb",null,null);
		if (dcsPageTitle[0]) {
			if (dcsPageTitle[0].innerHTML.indexOf('?Tab') >= 0) {
				WT.ti="MLC Personal Site";
			} else {
				WT.ti=dcsPageTitle[0].innerHTML;
			}
		} else if (dcsPageTitle2[0]) {
			var dcsCrumbString = dcsPageTitle2[0].innerHTML;
			var dcsCrumbArray = dcsCrumbString.split(" &gt; ");
			var dcsLastCrumb = dcsCrumbArray[dcsCrumbArray.length-1];
			WT.ti=dcsLastCrumb;
		} else {
			WT.ti=document.title;
		}
	}
	WT.js="Yes";
	if (typeof(gVersion)!="undefined"){
		WT.jv=gVersion;
	}
	if (document.body&&document.body.addBehavior){
		document.body.addBehavior("#default#clientCaps");
		if (document.body.connectionType){
			WT.ct=document.body.connectionType;
		}
		document.body.addBehavior("#default#homePage");
		WT.hp=document.body.isHomePage(location.href)?"1":"0";
	}
	if (parseInt(navigator.appVersion)>3){
		if ((navigator.appName=="Microsoft Internet Explorer")&&document.body){
			WT.bs=document.body.offsetWidth+"x"+document.body.offsetHeight;
		}
		else if (navigator.appName=="Netscape"){
			WT.bs=window.innerWidth+"x"+window.innerHeight;
		}
	}
	WT.fi="No";
	if (navigator.plugins && navigator.plugins.length) {
		x = navigator.plugins["Shockwave Flash"];
		if (x) {
			if (x.description) {
				y = x.description;
				WT.fi="Yes";
				WT.fv = y.charAt(y.indexOf('.')-1);
			}
		}
		if (navigator.plugins["Shockwave Flash 2.0"]) {
			WT.fi="Yes";
			WT.fv="2";
		}
	} else {
	// IE flash detection.
		for(var i=0; i<10; i++) {
			try	{
				flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i);
				if (flash) {
					WT.fi="Yes";
					WT.fv = i;
				}
			} catch(e) { }
		}
	}
	if (typeof navigator.dcsCookieEnabled=="undefined" && !dcsCookieEnabled) { 
		document.cookie= "testcookie";
		dcsCookieEnabled=(document.cookie.indexOf("testcookie")!=-1)? true : false;
	}
	if (dcsCookieEnabled) {
		WT.co="Yes";
	} else {
		WT.co="No";
	}
	if (dcsUserID != null) {
		WT.uid=dcsUserID;
		dcsRenewCookie();
	} else {
		dcsCreateCookie();
		WT.co_d=dcsGetCookieValue("cview3");
	}

	DCS.dcsdat=dcsCurrent.getTime();
	DCS.dcssip=window.location.hostname;
	DCS.dcsuri=window.location.pathname;
	if (window.location.search){
		DCS.dcsqry=window.location.search;
		if (dcsGQP.length>0){
			for (var i=0;i<dcsGQP.length;i++){
				var dcsPos=DCS.dcsqry.indexOf(dcsGQP[i]);
				if (dcsPos!=-1){
					var dcsFront=DCS.dcsqry.substring(0,dcsPos);
					var dcsEnd=DCS.dcsqry.substring(dcsPos+dcsGQP[i].length,DCS.dcsqry.length);
					DCS.dcsqry=dcsFront+dcsEnd;
				}
			}
		}
	}
	if ((window.document.referrer!="")&&(window.document.referrer!="-")){
		if (!(navigator.appName=="Microsoft Internet Explorer"&&parseInt(navigator.appVersion)<4)){
			DCS.dcsref=window.document.referrer;
		}
	}
}

function dcsA(dcsJ,dcsV) {
	return "&"+dcsJ+"="+dcsEscape(dcsV);
}

function dcsEscape(dcsS) {
	if (typeof(RE)!="undefined"){
		var dcsRetStr = new String(dcsS);
		for (R in RE){
			dcsRetStr = dcsRetStr.replace(RE[R],R);
		}
		return dcsRetStr;
	}
	else {
		return escape(dcsS);
	}
}

function dcsLoadHref(evt) {
	if ((typeof(gHref)!="undefined")&&(gHref.length>0)){
		window.location=gHref;
		gHref="";
	}
}

function dcsCreateImage(dcsSrc) {
	if (document.images){
		dcsGImages[dcsGIndex]=new Image;
		if ((typeof(gHref)!="undefined")&&(gHref.length>0)){
			dcsGImages[dcsGIndex].onload=dcsGImages[dcsGIndex].onerror=dcsLoadHref;
		}
		dcsGImages[dcsGIndex].src=dcsSrc;
		dcsGIndex++;
	}
	else{
		document.write('<IMG BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="'+dcsSrc+'">');
	}
}

function dcsMeta() {
	var elems;
	if (document.all){
		elems=document.all.tags("meta");
	}
	else if (document.documentElement){
		elems=document.getElementsByTagName("meta");
	}
	if (typeof(elems)!="undefined"){
		for (var i=1;i<=elems.length;i++){
			var meta=elems.item(i-1);
			if (meta.name){
				if (meta.name.indexOf('WT.')==0){
					WT[meta.name.substring(3)]=meta.content;
				}
				else if (meta.name.indexOf('DCSext.')==0){
					DCSext[meta.name.substring(7)]=meta.content;
				}
				else if (meta.name.indexOf('DCS.')==0){
					DCS[meta.name.substring(4)]=meta.content;
				}
			}
		}
	}
}

function dcsTag() {
	var P="http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+dcsDomain+dcsGif+"?";
	for (J in DCS){
		if (DCS[J]) {
			P+=dcsA(J,DCS[J]);
		}
	}
	for (J in WT){
		if (WT[J]) {
			P+=dcsA("WT."+J,WT[J]);
		}
	}
	for (J in DCSext){
		if (DCSext[J]) {
			P+=dcsA(J,DCSext[J]);
		}
	}
	if (P.length>2048&&navigator.userAgent.indexOf('MSIE')>=0){
		P=P.substring(0,2040)+"&WT.tu=1";
	}

	dcsCreateImage(P);
}

function dcsFunc(func) {
	if (typeof(window[func])=="function"){
		window[func]();
	}
}

function dcsBanner() {
	var dcsBannerText = "";
	var dcsUrlNo = "";
	var dcsUrl = window.location.href;
	var dcsUrlArray = dcsUrl.split(",,");
	if (dcsUrlArray[1] != null) {
			var dcsUrlArray2 = dcsUrlArray[1].split(",");
			dcsUrlNo = dcsUrlArray2[0];
	}

	for (i = 0; i < dcsRotBanner.length; i++) {
		if ((dcsRotBanner[i] != 'undefined') && (dcsRotBanner[i] != null)) {
			var dcsFileNameArray = dcsRotBanner[i].split("/");
			var dcsFileName = dcsFileNameArray[dcsFileNameArray.length-1] + dcsUrlNo;
		} else {
			var dcsFileName = "";
		}
		dcsBannerText = dcsFileName;
		dcsAdArray[dcsAdPos] = dcsBannerText;
		dcsAdPos++;
	}
}

function dcsAddTileTracking(tile) {
	dcsAdArray[dcsAdPos] = tile;
	dcsAdPos++;
}

function dcsReadAds() {
	var dcsBannerText = "";

	for (i = 0; i < dcsAdPos; i++) {
		if ((dcsAdArray[i] != 'undefined') && (dcsAdArray[i] != null) && (dcsAdArray[i] != "")) {
			dcsBannerText += dcsAdArray[i];
			if (i < dcsAdPos-1) {
				dcsBannerText += ";";
			}
		}
	}
	if (dcsBannerText != "") {
		WT.ad = dcsBannerText;
	}
}

function dcsCreateCookie() {
	var dcsExp = new Date();
	var dcsCurrDate = dcsExp.getTime();
	var dcsExpiryDate = dcsCurrDate + (182 * 24 * 60 * 60 * 1000);
	var dcsUserID = 10000000000000 * Math.random();
	dcsUserID = Math.round(dcsUserID);
	dcsExp.setTime(dcsExpiryDate);
	document.cookie = "cview3=" + dcsUserID + dcsCurrDate + "; expires=" + dcsExp.toGMTString() + "; path=/; domain=.mlc.com.au";
}

function dcsRenewCookie() {
	var dcsExp = new Date();
	var dcsCurrDate = dcsExp.getTime();
	var dcsUserID = dcsGetCookieValue("cview3");
	var dcsNewExpDate = dcsCurrDate + (182 * 24 * 60 * 60 * 1000);

	dcsExp.setTime(dcsNewExpDate);
	document.cookie = "cview3=" + dcsUserID + "; expires=" + dcsExp.toGMTString() + "; path=/; domain=.mlc.com.au";
}

function dcsGetCookieValue(name) {
	var nameEq = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++){
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEq) == 0) return c.substring(nameEq.length,c.length);
	}
	return null;
}

function dcsWriteImage() {
	dcsReadAds();
	dcsVar();
	dcsMeta();
	dcsFunc("dcsAdv");
	dcsTag();
}

function dcsWriteBImage() {
	dcsBanner();
}

function dcsGetElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}