/* SiteCatalyst code version: H.10.
Copyright 1997-2007 Omniture, Inc. More info available at
http://www.omniture.com */
/* Specify the Report Suite ID(s) to track here */
var s_account="cengageichpemeaprod" //must match prod/staging account name
var s=s_gi(s_account)
/************************** CONFIG SECTION **************************/
/* You may add or alter any code config here. */
s.charSet="UTF-8"
/* Conversion Config */
s.currencyCode="GBP"
/* Link Tracking Config */
s.trackDownloadLinks=true
s.trackExternalLinks=true
s.trackInlineStats=true
s.linkDownloadFileTypes="exe,zip,wav,mp3,mp4,mov,mpg,avi,wmv,doc,pdf,spdf,xls"
s.linkInternalFilters="javascript:,www.ichapters.co.uk"
s.linkLeaveQueryString=true
s.linkTrackVars="None"
s.linkTrackEvents="None"

/* Shared pre-defined variables.  These settings are set by
the shared JS and do not need to be changed per page. */
s.pageName= document.title
s.server= window.location.protocol + "//" + window.location.host

/* Global Custom Insight Variable Settings.  These settings are set by
the shared JS and do not need to be changed per page. */
s.prop1 = document.URL

/* Global Conversion Variable Settings.  These settings are set by
the shared JS and do not need to be changed per page. */
if(typeof(google_ad_client) != "undefined" && google_ad_client != '')
{
	if(typeof(omniture_gkw) != "undefined" && omniture_gkw != '')
	{ s.eVar5=omniture_gkw }
	else
	{ s.eVar5='nokeyword' }

	if(typeof(omniture_gac) != "undefined" && omniture_gac != '')
	{ s.eVar6=omniture_gac }
}

/* WARNING: Changing any of the below variables will cause drastic
changes to how your visitor data is collected.  Changes should only be
made when instructed to do so by your account manager.*/
s.visitorNamespace="cengagelearning"
s.dc=112
s.usePlugins=true

function s_doPlugins(s) {
	
    s.prop3 = s.getVisitNum();
    s.prop4 = s.getDaysSinceLastVisit();
    s.prop5 = s.getNewRepeat();
    
    var temp = s.getQueryParam('cid');
    if (temp) s.campaign = temp;
        
    var temp = s.getQueryParam('pid');
    if (temp) s.eVar1 = temp;
	
	var url=s.linkHandler('googlesyndication.com','e');	
	if(url) {
		if(s.events.indexOf('event1')!=-1);  // do not add event1 to events... it's already there
		else s.events=s.events?s.events+",event1":"event1";  // add event1 to events list
		s.linkName="Google AdSense Click";
		s.linkTrackVars="events,eVar1,eVar2,eVar3,eVar4,eVar5,eVar6,eVar7,eVar8,eVar9,eVar10,eVar11,eVar12,eVar13,eVar14,eVar15,eVar16,eVar17,eVar18,eVar19,eVar20";
		s.linkTrackEvents="event1"
	}	
}
s.doPlugins=s_doPlugins

/************************** PLUGINS SECTION *************************/
/* You may insert any plugins you wish to use here.                 */
/*
 * Plugin: getNewRepeat 1.0 - Return whether user is new or repeat
 */
s.getNewRepeat=new Function(""
+"var s=this,e=new Date(),cval,ct=e.getTime(),y=e.getYear();e.setTime"
+"(ct+30*24*60*60*1000);cval=s.c_r('s_nr');if(cval.length==0){s.c_w("
+"'s_nr',ct,e);return 'New';}if(cval.length!=0&&ct-cval<30*60*1000){s"
+".c_w('s_nr',ct,e);return 'New';}if(cval<1123916400001){e.setTime(cv"
+"al+30*24*60*60*1000);s.c_w('s_nr',ct,e);return 'Repeat';}else retur"
+"n 'Repeat';");

/*
 * Plugin: Visit Number By Month 2.0 - Return the user visit number
 */
s.getVisitNum=new Function(""
+"var s=this,e=new Date(),cval,cvisit,ct=e.getTime(),c='s_vnum',c2='s"
+"_invisit';e.setTime(ct+30*24*60*60*1000);cval=s.c_r(c);if(cval){var"
+" i=cval.indexOf('&vn='),str=cval.substring(i+4,cval.length),k;}cvis"
+"it=s.c_r(c2);if(cvisit){if(str){e.setTime(ct+30*60*1000);s.c_w(c2,'"
+"true',e);return str;}else return 'unknown visit number';}else{if(st"
+"r){str++;k=cval.substring(0,i);e.setTime(k);s.c_w(c,k+'&vn='+str,e)"
+";e.setTime(ct+30*60*1000);s.c_w(c2,'true',e);return str;}else{s.c_w"
+"(c,ct+30*24*60*60*1000+'&vn=1',e);e.setTime(ct+30*60*1000);s.c_w(c2"
+",'true',e);return 1;}}"
);

/*
 * Plugin: getQueryParam 2.0 - return query string parameter(s)
 */
/*********************************************************************
* Function getQueryParam(p,d,u): Returns the query string parameter
*                 values for the parameters specified in p. If p is a
*                 list of names and multiple values are found, d
*                 separates the values found. If multiple values are
*                 found they are returned in the order in which they
*                 are specified in p.
*
*     p = comma delimited list of case insensitive query string
*         parameter names
*     d = (optional) delimiter used to separate query string parameter
*         values if multiple values are found. If omitted and multiple
*         parameters from p are found, the strings are appended to
*         eachother without a delimiter.
*     u = (optional) URL to take query string from. If omitted, 
*         pageURL or window.location is used. If 'f', the
*         top-most frameset URL is used (in case you want to use the
*         URL from the address bar and the code is inside a frame).
*
* Returns:
*     - The query string parameter specified
*     - 'True' if the query string parameter exists without a value
*     - A delimited list of values if multiple parameters are found
*********************************************************************/

s.getQueryParam=new Function("p","d","u",""
	// object, return value, temp variables
	+"var s=this,v='',i,t;"
	+"d=d?d:'';"

	// u is the URL passed, the current URL or the top frameset URL
	+"u=u?u:(s.pageURL?s.pageURL:''+s.wd.location);"
	+"u=u=='f'?''+s.gtfs().location:u;"

	// for each value in p
	+"while(p){"
		
		// get the index of the comma
		+"i=p.indexOf(',');"
		+"i=i<0?p.length:i;"

		// grab the parameter value associated with the first name
		+"t=s.p_gpv(p.substring(0,i),u);"

		// if p value was found, add to running v with delimiter
		// only add the delimiter if v has a value
		+"if(t)v+=v?d+t:t;"

		// take the first parameter off the list
		+"p=p.substring(i==p.length?i:i+1)"

	+"}"
	
	+"return v"
);

/*********************************************************************
* Function p_gpv(k): Get Parameter Value returns the value of the
*                 query string parameter, k, 'True' or ''.
*
*     k = query string parameter name (case insensitive)
*     u = URL to take query string from
*
* Returns:
*     - The query string parameter specified
*     - 'True' if the query string parameter exists without a value
*     - empty string
*********************************************************************/
s.p_gpv=new Function("k","u",""
	// value from key/value pair
	+"var s=this,v='',i=u.indexOf('?'),q;"
    
	// if k (key/value pair) and a query string exists in the URL
	+"if(k&&i>-1){"
	
		// q is query string without the question mark
		+"q=u.substring(i+1);"
		
		// s.pt with p_gvf finds value associated with k
		+"v=s.pt(q,'&','p_gvf',k)"

	+"}"
	
	// return value
	+"return v"
);

/*********************************************************************
* Function p_gvf(t,k): Get Parameter Value Function returns the value
*                 of the query string parameter, k, 'True' or ''.
*
*     t = query string token (one of the name value pairs)
*     k = query string parameter name (case insensitive)
*
* Returns:
*     - The query string parameter specified
*     - 'True' if the query string parameter exists without a value
*     - empty string
*********************************************************************/
s.p_gvf=new Function("t","k",""

	// check for a name=value pair (in case of && in the query string)
	+"if(t){"

		// p = parameter name, v = parameter value or 'True' if no value exists
		+"var s=this,"
		    +"i=t.indexOf('='),"
		    +"p=i<0?t:t.substring(0,i),"
		    +"v=i<0?'True':t.substring(i+1);"

		// if the p does not equal k, set v to ''
		+"if(p.toLowerCase()==k.toLowerCase())"
			+"return s.epa(v)"
	+"}"

	// return the URL decoded value
	+"return ''"
);

/*
 * Plugin: linkHandler 0.5 - identify and report custom links
 */
s.linkHandler=new Function("p","t",""
+"var s=this,h=s.p_gh(),i,l;t=t?t:'o';if(!h||(s.linkType&&(h||s.linkN"
+"ame)))return '';i=h.indexOf('?');h=s.linkLeaveQueryString||i<0?h:h."
+"substring(0,i);l=s.pt(p,'|','p_gn',h.toLowerCase());if(l){s.linkNam"
+"e=l=='[['?'':l;s.linkType=t;return h;}return '';");
s.p_gn=new Function("t","h",""
+"var i=t?t.indexOf('~'):-1,n,x;if(t&&h){n=i<0?'':t.substring(0,i);x="
+"t.substring(i+1);if(h.indexOf(x.toLowerCase())>-1)return n?n:'[[';}"
+"return 0;");
s.p_gh=new Function(""
+"var s=this;if(!s.eo&&!s.lnk)return '';var o=s.eo?s.eo:s.lnk,y=s.ot("
+"o),n=s.oid(o),x=o.s_oidt;if(s.eo&&o==s.eo){while(o&&!n&&y!='BODY'){"
+"o=o.parentElement?o.parentElement:o.parentNode;if(!o)return '';y=s."
+"ot(o);n=s.oid(o);x=o.s_oidt}}return o.href?o.href:'';");

/*
 * Plugin: Days since last Visit 1.0.H
 */
s.getDaysSinceLastVisit=new Function(""
+"var s=this,e=new Date(),cval,ct=e.getTime(),c='s_lastvisit',day=24*"
+"60*60*1000;e.setTime(ct+3*365*day);cval=s.c_r(c);if(!cval){s.c_w(c,"
+"ct,e);return 'First page view or cookies not supported';}else{var d"
+"=ct-cval;if(d>30*60*1000){if(d>30*day){s.c_w(c,ct,e);return 'More t"
+"han 30 days';}if(d<30*day+1 && d>7*day){s.c_w(c,ct,e);return 'More "
+"than 7 days';}if(d<7*day+1 && d>day){s.c_w(c,ct,e);return 'Less tha"
+"n 7 days';}if(d<day+1){s.c_w(c,ct,e);return 'Less than 1 day';}}els"
+"e return '';}"
);

/*
 * Plugin: Form Analysis 2.0 (Success, Error, Abandonment)
 */
s.setupFormAnalysis=new Function(""
+"var s=this;if(!s.fa){s.fa=new Object;var f=s.fa;f.ol=s.wd.onload;s."
+"wd.onload=s.faol;f.uc=s.useCommerce;f.vu=s.varUsed;f.vl=f.uc?s.even"
+"tList:'';f.tfl=s.trackFormList;f.fl=s.formList;f.va=new Array('',''"
+",'','')}");
s.sendFormEvent=new Function("t","pn","fn","en",""
+"var s=this,f=s.fa;t=t=='s'?t:'e';f.va[0]=pn;f.va[1]=fn;f.va[3]=t=='"
+"s'?'Success':en;s.fasl(t);f.va[1]='';f.va[3]='';");
s.faol=new Function("e",""
+"var s=s_c_il["+s._in+"],f=s.fa,r=true,fo,fn,i,en,t,tf;if(!e)e=s.wd."
+"event;f.os=new Array;if(f.ol)r=f.ol(e);if(s.d.forms&&s.d.forms.leng"
+"th>0){for(i=s.d.forms.length-1;i>=0;i--){fo=s.d.forms[i];fn=fo.name"
+";tf=f.tfl&&s.pt(f.fl,',','ee',fn)||!f.tfl&&!s.pt(f.fl,',','ee',fn);"
+"if(tf){f.os[fn]=fo.onsubmit;fo.onsubmit=s.faos;f.va[1]=fn;f.va[3]='"
+"No Data Entered';for(en=0;en<fo.elements.length;en++){el=fo.element"
+"s[en];t=el.type;if(t&&t.toUpperCase){t=t.toUpperCase();var md=el.on"
+"mousedown,kd=el.onkeydown,omd=md?md.toString():'',okd=kd?kd.toStrin"
+"g():'';if(omd.indexOf('.fam(')<0&&okd.indexOf('.fam(')<0){el.s_famd"
+"=md;el.s_fakd=kd;el.onmousedown=s.fam;el.onkeydown=s.fam}}}}}f.ul=s"
+".wd.onunload;s.wd.onunload=s.fasl;}return r;");
s.faos=new Function("e",""
+"var s=s_c_il["+s._in+"],f=s.fa,su;if(!e)e=s.wd.event;if(f.vu){s[f.v"
+"u]='';f.va[1]='';f.va[3]='';}su=f.os[this.name];return su?su(e):tru"
+"e;");
s.fasl=new Function("e",""
+"var s=s_c_il["+s._in+"],f=s.fa,a=f.va,l=s.wd.location,ip=s.trackPag"
+"eName,p=s.pageName;if(a[1]!=''&&a[3]!=''){a[0]=!p&&ip?l.host+l.path"
+"name:a[0]?a[0]:p;if(!f.uc&&a[3]!='No Data Entered'){if(e=='e')a[2]="
+"'Error';else if(e=='s')a[2]='Success';else a[2]='Abandon'}else a[2]"
+"='';var tp=ip?a[0]+':':'',t3=e!='s'?':('+a[3]+')':'',ym=!f.uc&&a[3]"
+"!='No Data Entered'?tp+a[1]+':'+a[2]+t3:tp+a[1]+t3,ltv=s.linkTrackV"
+"ars,lte=s.linkTrackEvents,up=s.usePlugins;if(f.uc){s.linkTrackVars="
+"ltv=='None'?f.vu+',events':ltv+',events,'+f.vu;s.linkTrackEvents=lt"
+"e=='None'?f.vl:lte+','+f.vl;f.cnt=-1;if(e=='e')s.events=s.pt(f.vl,'"
+",','fage',2);else if(e=='s')s.events=s.pt(f.vl,',','fage',1);else s"
+".events=s.pt(f.vl,',','fage',0)}else{s.linkTrackVars=ltv=='None'?f."
+"vu:ltv+','+f.vu}s[f.vu]=ym;s.usePlugins=false;s.tl(true,'o','Form A"
+"nalysis');s[f.vu]='';s.usePlugins=up}return f.ul&&e!='e'&&e!='s'?f."
+"ul(e):true;");
s.fam=new Function("e",""
+"var s=s_c_il["+s._in+"],f=s.fa;if(!e) e=s.wd.event;var o=s.trackLas"
+"tChanged,et=e.type.toUpperCase(),t=this.type.toUpperCase(),fn=this."
+"form.name,en=this.name,sc=false;if(document.layers){kp=e.which;b=e."
+"which}else{kp=e.keyCode;b=e.button}et=et=='MOUSEDOWN'?1:et=='KEYDOW"
+"N'?2:et;if(f.ce!=en||f.cf!=fn){if(et==1&&b!=2&&'BUTTONSUBMITRESETIM"
+"AGERADIOCHECKBOXSELECT-ONEFILE'.indexOf(t)>-1){f.va[1]=fn;f.va[3]=e"
+"n;sc=true}else if(et==1&&b==2&&'TEXTAREAPASSWORDFILE'.indexOf(t)>-1"
+"){f.va[1]=fn;f.va[3]=en;sc=true}else if(et==2&&kp!=9&&kp!=13){f.va["
+"1]=fn;f.va[3]=en;sc=true}if(sc){nface=en;nfacf=fn}}if(et==1&&this.s"
+"_famd)return this.s_famd(e);if(et==2&&this.s_fakd)return this.s_fak"
+"d(e);");
s.ee=new Function("e","n",""
+"return n&&n.toLowerCase?e.toLowerCase()==n.toLowerCase():false;");
s.fage=new Function("e","a",""
+"var s=this,f=s.fa,x=f.cnt;x=x?x+1:1;f.cnt=x;return x==a?e:'';");

s.trackingServer="stats.cengagebrain.com"
s.trackingServerSecure="sstats.cengagebrain.com"

/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************/
var s_objectID;function s_c2fe(f){var x='',s=0,e,a,b,c;while(1){e=
f.indexOf('"',s);b=f.indexOf('\\',s);c=f.indexOf("\n",s);if(e<0||(b>=
0&&b<e))e=b;if(e<0||(c>=0&&c<e))e=c;if(e>=0){x+=(e>s?f.substring(s,e):
'')+(e==c?'\\n':'\\'+f.substring(e,e+1));s=e+1}else return x
+f.substring(s)}return f}function s_c2fa(f){var s=f.indexOf('(')+1,e=
f.indexOf(')'),a='',c;while(s>=0&&s<e){c=f.substring(s,s+1);if(c==',')
a+='","';else if(("\n\r\t ").indexOf(c)<0)a+=c;s++}return a?'"'+a+'"':
a}function s_c2f(cc){cc=''+cc;var fc='var f=new Function(',s=
cc.indexOf(';',cc.indexOf('{')),e=cc.lastIndexOf('}'),o,a,d,q,c,f,h,x
fc+=s_c2fa(cc)+',"var s=new Object;';c=cc.substring(s+1,e);s=
c.indexOf('function');while(s>=0){d=1;q='';x=0;f=c.substring(s);a=
s_c2fa(f);e=o=c.indexOf('{',s);e++;while(d>0){h=c.substring(e,e+1);if(
q){if(h==q&&!x)q='';if(h=='\\')x=x?0:1;else x=0}else{if(h=='"'||h=="'"
)q=h;if(h=='{')d++;if(h=='}')d--}if(d>0)e++}c=c.substring(0,s)
+'new Function('+(a?a+',':'')+'"'+s_c2fe(c.substring(o+1,e))+'")'
+c.substring(e+1);s=c.indexOf('function')}fc+=s_c2fe(c)+';return s");'
eval(fc);return f}function s_gi(un,pg,ss){var c="function s_c(un,pg,s"
+"s){var s=this;s.wd=window;if(!s.wd.s_c_in){s.wd.s_c_il=new Array;s."
+"wd.s_c_in=0;}s._il=s.wd.s_c_il;s._in=s.wd.s_c_in;s._il[s._in]=s;s.w"
+"d.s_c_in++;s.m=function(m){return (''+m).indexOf('{')<0};s.fl=funct"
+"ion(x,l){return x?(''+x).substring(0,l):x};s.co=function(o){if(!o)r"
+"eturn o;var n=new Object,x;for(x in o)if(x.indexOf('select')<0&&x.i"
+"ndexOf('filter')<0)n[x]=o[x];return n};s.num=function(x){x=''+x;for"
+"(var p=0;p<x.length;p++)if(('0123456789').indexOf(x.substring(p,p+1"
+"))<0)return 0;return 1};s.rep=function(x,o,n){var i=x.indexOf(o);wh"
+"ile(x&&i>=0){x=x.substring(0,i)+n+x.substring(i+o.length);i=x.index"
+"Of(o,i+n.length)}return x};s.ape=function(x){var s=this,h='01234567"
+"89ABCDEF',i,c=s.charSet,n,l,e,y='';c=c?c.toUpperCase():'';if(x){x='"
+"'+x;if(c=='AUTO'&&('').charCodeAt){for(i=0;i<x.length;i++){c=x.subs"
+"tring(i,i+1);n=x.charCodeAt(i);if(n>127){l=0;e='';while(n||l<4){e=h"
+".substring(n%16,n%16+1)+e;n=parseInt(n/16);l++}y+='%u'+e}else if(c="
+"='+')y+='%2B';else y+=escape(c)}x=y}else{x=x?s.rep(escape(''+x),'+'"
+",'%2B'):x;if(x&&c&&s.em==1&&x.indexOf('%u')<0&&x.indexOf('%U')<0){i"
+"=x.indexOf('%');while(i>=0){i++;if(h.substring(8).indexOf(x.substri"
+"ng(i,i+1).toUpperCase())>=0)return x.substring(0,i)+'u00'+x.substri"
+"ng(i);i=x.indexOf('%',i)}}}}return x};s.epa=function(x){var s=this;"
+"return x?unescape(s.rep(''+x,'+',' ')):x};s.pt=function(x,d,f,a){va"
+"r s=this,t=x,z=0,y,r;while(t){y=t.indexOf(d);y=y<0?t.length:y;t=t.s"
+"ubstring(0,y);r=s.m(f)?s[f](t,a):f(t,a);if(r)return r;z+=y+d.length"
+";t=x.substring(z,x.length);t=z<x.length?t:''}return ''};s.isf=funct"
+"ion(t,a){var c=a.indexOf(':');if(c>=0)a=a.substring(0,c);if(t.subst"
+"ring(0,2)=='s_')t=t.substring(2);return (t!=''&&t==a)};s.fsf=functi"
+"on(t,a){var s=this;if(s.pt(a,',','isf',t))s.fsg+=(s.fsg!=''?',':'')"
+"+t;return 0};s.fs=function(x,f){var s=this;s.fsg='';s.pt(x,',','fsf"
+"',f);return s.fsg};s.c_d='';s.c_gdf=function(t,a){var s=this;if(!s."
+"num(t))return 1;return 0};s.c_gd=function(){var s=this,d=s.wd.locat"
+"ion.hostname,n=s.fpCookieDomainPeriods,p;if(!n)n=s.cookieDomainPeri"
+"ods;if(d&&!s.c_d){n=n?parseInt(n):2;n=n>2?n:2;p=d.lastIndexOf('.');"
+"if(p>=0){while(p>=0&&n>1){p=d.lastIndexOf('.',p-1);n--}s.c_d=p>0&&s"
+".pt(d,'.','c_gdf',0)?d.substring(p):d}}return s.c_d};s.c_r=function"
+"(k){var s=this;k=s.ape(k);var c=' '+s.d.cookie,i=c.indexOf(' '+k+'="
+"'),e=i<0?i:c.indexOf(';',i),v=i<0?'':s.epa(c.substring(i+2+k.length"
+",e<0?c.length:e));return v!='[[B]]'?v:''};s.c_w=function(k,v,e){var"
+" s=this,d=s.c_gd(),l=s.cookieLifetime,t;v=''+v;l=l?(''+l).toUpperCa"
+"se():'';if(e&&l!='SESSION'&&l!='NONE'){t=(v!=''?parseInt(l?l:0):-60"
+");if(t){e=new Date;e.setTime(e.getTime()+(t*1000))}}if(k&&l!='NONE'"
+"){s.d.cookie=k+'='+s.ape(v!=''?v:'[[B]]')+'; path=/;'+(e&&l!='SESSI"
+"ON'?' expires='+e.toGMTString()+';':'')+(d?' domain='+d+';':'');ret"
+"urn s.c_r(k)==v}return 0};s.eh=function(o,e,r,f){var s=this,b='s_'+"
+"e+'_'+s._in,n=-1,l,i,x;if(!s.ehl)s.ehl=new Array;l=s.ehl;for(i=0;i<"
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