// <!-- 
/* SiteCatalyst code version: H.20.3.
Copyright 1997-2009 Omniture, Inc. More info available at
http://www.omniture.com */

var hostName = location.hostname.toLowerCase();
var s=s_gi(s_account);s.charSet="UTF-8";var dots=hostName.split('.');s.cookieDomainPeriods=dots.length-1;s.currencyCode="USD";s.trackDownloadLinks=true;s.trackExternalLinks=true;s.trackInlineStats=true;
s.linkDownloadFileTypes="exe,zip,wav,mp3,mov,mpg,avi,wmv,pdf,doc,docx,xls,xlsx,ppt,pptx";s.linkInternalFilters="javascript:,edweek.org,teachermagazine.org,topschooljobs.org,teachersourcebook.org,digitaldirections.org";
s.linkLeaveQueryString=false;s.linkTrackVars="None";s.linkTrackEvents="None";s.pageName=""; s.pageURL = location.toString();
/* Plugin Config */
s.usePlugins=true
function s_doPlugins(s) {
	/* Add calls to plugins here */
	var nl=(!s._preview)?location:new LOCATION(s.getQueryParam('source'));
	var baseURL=nl.hostname.toLowerCase()+nl.pathname.toLowerCase();var path=nl.pathname.toLowerCase();var params=nl.search.toLowerCase();
	if (!s.pageName){
	s.pageName=path.substr(1);s.pageName=s.pageName.replace(/^\//, "").replace(/\/\//g,"/").replace(/index.html/,"").replace(/%20/g," ");
	if(s.pageName.indexOf(s.channel + '/') == 0){if(s.pageName.length == s.channel.length + 1){s.pageName = s.channel + "/home";}}else{s.pageName = s.channel + '/' + s.pageName;}
	//if(s.pageName.indexOf(s.channel + '/') == 0 && s.pageName.length == s.channel.length + 1){s.pageName = s.channel + "/home"; } 
	//else if (s.pageName.indexOf('/') < 0){s.pageName = s.channel + '/' + s.pageName;}	
	if(s.pageName.indexOf('/articles/') != -1 || s.pageName.indexOf('ewblog/') != -1 || s.pageName.indexOf('tmblog/') != -1){t = document.title.split(":");t=t[t.length - 1];n=t.indexOf('#');if(n>-1)t=t.substr(0,n);if(s._preview)t='PREVIEW|'+t;s.pageName += '|' + t;}
	}
	if(s.pageName.indexOf('ewblog/') != -1 || s.pageName.indexOf('tmblog/') != -1){s.prop32="Free";}
	if(s.pageName.indexOf('/articles/') == -1){s.prop31=null;}else{if(s._preview){s.prop36="PREVIEW";s.prop32=(s.getQueryParam('levelId')>1100)?"Premium":"Registered";}else{s.prop36="FULL";if(s.getQueryParam('tkn').length>0){s.prop32="Now Free";}else{s.prop32="Free";if(s._level>0)s.prop32="Registered";if(s._level>1100)s.prop32="Registered or Premium";}}}
	
	var metatags = document.getElementsByTagName("meta");
	if (!s.prop31)for (index=0; index < metatags.length; index++){var name = metatags[index].getAttribute("name");if (name && name.indexOf("ID") == 0){var content = metatags[index].getAttribute("content");s.prop31 = content;break;}}
	if (s.prop31)for (index=0; index < metatags.length; index++){var name = metatags[index].getAttribute("name");if (name && name.indexOf("Pub_first") == 0){var content = metatags[index].getAttribute("content");s.prop35 = content;break;}}

	var currentTime = new Date();var month = currentTime.getMonth() + 1;
	if (month < 10){month = "0" + month;}var day = currentTime.getDate();if (day < 10){day = "0" + day;}var year = currentTime.getFullYear();
	s.prop7=s.eVar7=year + "-" + month + "-" + day; //Note that this sets the time based on the users system clock date

	if(s.pageType && s.pageType=="errorPage"){
		s.pageName="error|"+baseURL;
	}else if (s.pageType && s.pageType=="searchPage"){
		s.pageName="ew/search|page=" + s.pageNum;
		if (s.pageNum < 2)s.eVar14 = "+1";
		s.hier1=s.prop1=s.prop2=s.prop3=s.channel="ew";
		s.pageType = ""; // reset pageType.
	}else if (s.pageName){
		page_split = s.pageName.split("/");
		s.channel=s.prop1=s.prop2=s.prop3=page_split[0];
		if(page_split.length>2)s.prop1=s.prop2=s.prop3=page_split[0]+"/"+page_split[1];
		if(page_split.length>3)s.prop2=s.prop3=page_split[0]+"/"+page_split[1]+"/"+page_split[2];
		if(page_split.length>4)s.prop3=page_split[0]+"/"+page_split[1]+"/"+page_split[2]+"/"+page_split[3];
		s.hier1 = page_split[0];
		for (i=1; i< page_split.length - 1; i++)
		{	
			s.hier1 += "/" + page_split[i];
		}
	}

	var aprop12 = ["ANON","District personnel","School board","School admin","Teacher","College","Library","Government","Consultant/Researcher/Journalist","Educational marketer","Parent","Student-Other","Other","Student-Education"];
	s.prop11="ANON";if(s._slu)s.prop11="SLU";else if(s._level>=2300)s.prop11="SCA";else if(s._level>=2200)s.prop11="SOA";else if(s._level>=2100)s.prop11="SOM";else if(s._level>=1000)s.prop11="REG";s.prop12=s.prop11;if(s._prof>=0&&s._prof<aprop12.length)s.prop12+=":"+aprop12[s._prof];
	
	s.events=s.apl(s.events,'event1',',',1);//pageView events
	if (s.getQueryParam('r') && s._login)
	{
		var login_key = s.getQueryParam('r');
		login_key = s.getValOnce(login_key,'login_key',0);
		if (login_key) { s.events=s.apl(s.events, 'event9', ',', 1); }
	}
	if (s.getQueryParam('print') == 1)
		s.events=s.apl(s.events, 'event12', ',', 1);

	if(s.prop1)s.eVar1=s.prop1;
	if(s.prop2)s.eVar2=s.prop2;
	if(s.prop3)s.eVar3=s.prop3;
	s.prop4=s.eVar4=s.getTimeParting('h','-5','2009'); // Set hour
	s.prop5=s.eVar5=s.getTimeParting('d','-5','2009'); // Set day

	if(s.channel)s.prop8=s.eVar8=s.channel;

	s.prop9=s.eVar9=baseURL+params;

	if(s.prop11){
		s.eVar11=s.prop11;
		if(s.pageName)s.prop13=s.prop11+":"+s.pageName;
		
		if(s.prop12 ){
		s.eVar12=s.prop12;
		if(s.pageName)s.prop14=s.prop12+":"+s.pageName;
		}
	}
	
	if(s.prop15)s.eVar15=s.prop15;
	if(!s.prop16)s.prop16=s.getQueryParam('intc').toUpperCase();
	if(s.prop16)s.eVar16=s.prop16;
	if(s.prop17)s.eVar17=s.prop17;
	if(s.prop18)s.eVar18=s.prop18;
	if(s.prop19)s.eVar19=s.prop19;

	if(s.prop21)s.eVar21=s.prop21;
	if(s.prop22)s.eVar22=s.prop22=s.prop22.toLowerCase();
	if(s.prop23)s.eVar23=s.prop23;
	if(s.prop24)s.eVar24=s.prop24;
	if(s.prop25)s.eVar25=s.prop25;
	if(s.prop26)s.eVar26=s.prop26;
	if(s.prop27)s.eVar27=s.prop27;

	if(s.prop30)s.eVar30=s.prop30;
	if(s.prop31){s.eVar31=s.prop31; s.eVar13="+1";}
	if(s.prop32)s.eVar32=s.prop32;

	if(s.prop35){
		var date_array=s.prop35.split("-");
		if(date_array.length==3){
			var pub_date=new Date(date_array[0], date_array[1]-1, date_array[2]);
			var date_array2=s.prop7.split("-");
			if(date_array.length==3){
				var current_date=new Date(date_array2[0], date_array2[1]-1, date_array2[2]);
		
				var one_day=1000*60*60*24;

				s.prop37=""+Math.ceil((current_date.getTime()-pub_date.getTime())/(one_day)); 
			}
		}
	}

	if(s.prop36)s.eVar36=s.prop36;	
	if(s.prop37 && s.prop37<0)s.prop37="";

	if(s.prop41)s.eVar41=s.prop41;
	if(s.prop42)s.eVar42=s.prop42;
	if(s.prop43)s.eVar43=s.prop43;
	if(s.prop44)s.eVar44=s.prop44;
	if(s.prop45)s.eVar45=s.prop45;
	if(s.prop48)s.eVar48=s.prop48;
	if(s.prop49)s.eVar49=s.prop49;
	if(s.prop50)s.eVar50=s.prop50;

	if(!s.campaign)s.campaign=s.getQueryParam('cmp').toLowerCase();
	if(!s.campaign)s.campaign=s.getQueryParam('promoCode').toUpperCase();
	if(!s.campaign)s.campaign=s.getQueryParam('ListSource').toUpperCase();
	
	s.campaign=s.getValOnce(s.campaign,'s_campaign',0);
	

}
s.doPlugins=s_doPlugins

function LOCATION(locObj){
   /*** URL ***********************************************
    *** A constructor function ****************************
    *** by Airshow ****************************************
    *** http://www.daniweb.com/forums/member512379.html ***
    *** Please keep this attribution intact ***************/
	if(!locObj || typeof locObj === 'string') {
		var temp = (!locObj) ? '' : locObj;
		var locObj = document.createElement('a');
		locObj.href = temp;
	}
	this.href = locObj.href;
	this.protocol = '';
	this.hostname = '';
	this.port = '';
	this.host = '';
	this.pathname = '';
	this.search = '';
	this.hash = '';
	this.setFragments = function(frags, commitIt) {
		frags = (!frags || typeof frags !== 'object') ? null : frags;
		commitIt = (!commitIt) ? false : true;
		if(frags) {
			for(prop in frags) {
				if('protocol,hostname,port,pathname,search,hash'.indexOf(prop) == -1) { continue; }//Reject irrelevant props
				// Note: For simplicity, 'host' is excluded as URL.host comprises ( URL.hostname + : + URL.port ), which can be set separately.
				this[prop] = frags[prop];
			}
			this.host = [this.hostname, this.port].join(':'); //In case .hostname or .port have changed.
		}
		(commitIt) ? this.commit() : (this.href = this.compose());
		return commitIt;
	};
	this.setHREF = function(href, commitIt) {
		href = (!href || typeof href !== 'string') ? '' : href;
		commitIt = (!commitIt) ? false : true;
		this.decompose();
		(commitIt) ? this.commit() : (this.href = this.compose());
		return commitIt;
	};
	this.commit = function() { return locObj.href = this.href = this.compose(); };
	this.compose = function() {
		// Build full href from the component fragments, including delimiter characters between each fragment.
		// For most fragments we check that delimiters are not already included, though decompose() should have already ensured thier removal. (belt-and-braces)
		var href = this.protocol + ((this.protocol !== '') ? ":\/\/" : '') +
			   this.hostname +
			   ((this.port     !== '' && !this.pathname.match(/^[:]/))  ? ':' : '') + this.port +
			   (((this.protocol || this.hostname || this.port) && this.pathname && !this.pathname.match(/^[./]/)) ? '/' : '') + this.pathname +
			   ((this.search   !== '' && !this.pathname.match(/^[?]/))  ? '?' : '') + this.search +
			   ((this.hash     !== '' && !this.pathname.match(/^[#]/))  ? '#' : '') + this.hash;
		return href;
	};
	this.decompose = function() {
		this.protocol = locObj.protocol.replace(/:$/, '');//All tested browsers leave the terminal : but let's strip it in case some don't.
		this.hostname = locObj.hostname;//Mmm, nothing to strip.
		this.port     = locObj.port.replace(/^:/, '');//All tested browsers strip the leading : but let's strip it in case some don't.
		this.host     = [this.hostname, this.port].join(':');//Build the composite fragment .host, in case someone expects it.
		this.pathname = '/'+locObj.pathname.replace(/^[/]/, '').replace(/\\/g, '/'); //Differences (flaws?) in Firefox and IE6 respectively, so let's standardise.
		this.search   = locObj.search;//locObj.search.replace(/^[?]/, '');//All tested browsers leave the leading ? but let's strip it in case some don't
		this.hash     = locObj.hash; //locObj.hash.replace(/^[#]/, '');//All tested browsers leave the leading # but let's strip it in case some don't
		if(this.compose() === '') { this.pathname = locObj.href; }//Special case for relative urls
	};
	this.getLink = function() {
		if(!locObj.tagName) {// Allow a link to be returned even when a window.location object was passed in as locObj.
			var L = new LOCATION(this.compose());//single level recursion to create a "type 2" link.
			return L.getLink();
		}
		return locObj;
	};
	this.inspect = function(wrapperID) {//included to assist debugging
		// If href and compose() strings are differnt then somthing is wrong; 
		// your url is of an unsupported type and you will need to modify decompose() and/or compose().
		strArray = [];
		strArray.push('<b>protocol</b></td><td>'  + this.protocol);
		strArray.push('<b>hostname</b></td><td>'  + this.hostname);
		strArray.push('<b>port</b></td><td>'      + this.port);
		strArray.push('<b>pathname</b></td><td>'  + this.pathname);
		strArray.push('<b>search</b></td><td>'    + this.search);
		strArray.push('<b>hash</b></td><td>'      + this.hash);
		strArray.push('<b>href</b></td><td>'      + this.href);
		strArray.push('<b>committed</b></td><td>' + locObj.href);
		var str = '<table class="locationInspect" border cellpadding="3"><tr><td>' + strArray.join("</td></tr><tr><td>") + '</td></tr></table>';
		var wrapper = (document.getElementById) ? document.getElementById(wrapperID) : document.all[wrapperID];
		if(wrapper) { wrapper.innerHTML = str; }
		return str;
	};
	this.decompose();
}


s.setUser=new Function("u","l","p",""
+"var s=this;if(u&u>0){s._login=true;if(l)s._level=l;if(p)s._prof=p;}return;");

/*
 * Plugin: getValOnce 1.0 - get a value once per session or number of days
 */
s.getValOnce=new Function("v","c","e",""
+"var s=this,a=new Date,v=v?v:v='',c=c?c:c='s_gvo',e=e?e:0,k=s.c_r(c"
+");if(v){a.setTime(a.getTime()+e*86400000);s.c_w(c,v,e?a:0);}return"
+" v==k?'':v");

/*
 * Utility Function: split v1.5 - split a string (JS 1.0 compatible)
 */
s.split=new Function("l","d",""
+"var i,x=0,a=new Array;while(l){i=l.indexOf(d);i=i>-1?i:l.length;a[x"
+"++]=l.substring(0,i);l=l.substring(i+d.length);}return a");


/*
 * Plugin Utility: apl v1.1
 */
s.apl=new Function("L","v","d","u",""
+"var s=this,m=0;if(!L)L='';if(u){var i,n,a=s.split(L,d);for(i=0;i<a."
+"length;i++){n=a[i];m=m||(u==1?(n==v):(n.toLowerCase()==v.toLowerCas"
+"e()));}}if(!m)L=L?L+d+v:v;return L");

s.join = new Function("v","p",""
+"var s = this;var f,b,d,w;if(p){f=p.front?p.front:'';b=p.back?p.back"
+":'';d=p.delim?p.delim:'';w=p.wrap?p.wrap:'';}var str='';for(var x=0"
+";x<v.length;x++){if(typeof(v[x])=='object' )str+=s.join( v[x],p);el"
+"se str+=w+v[x]+w;if(x<v.length-1)str+=d;}return f+str+b;");

/*
 * Plugin: getQueryParam 2.3
 */
s.getQueryParam=new Function("p","d","u",""
+"var s=this,v='',i,t;d=d?d:'';u=u?u:(s.pageURL?s.pageURL:s.wd.locati"
+"on);if(u=='f')u=s.gtfs().location;while(p){i=p.indexOf(',');i=i<0?p"
+".length:i;t=s.p_gpv(p.substring(0,i),u+'');if(t){t=t.indexOf('#')>-"
+"1?t.substring(0,t.indexOf('#')):t;}if(t)v+=v?d+t:t;p=p.substring(i="
+"=p.length?i:i+1)}return v");
s.p_gpv=new Function("k","u",""
+"var s=this,v='',i=u.indexOf('?'),q;if(k&&i>-1){q=u.substring(i+1);v"
+"=s.pt(q,'&','p_gvf',k)}return v");
s.p_gvf=new Function("t","k",""
+"if(t){var s=this,i=t.indexOf('='),p=i<0?t:t.substring(0,i),v=i<0?'T"
+"rue':t.substring(i+1);if(p.toLowerCase()==k.toLowerCase())return s."
+"epa(v)}return ''");

/*
 * Plugin: getValOnce 0.2 - get a value once per session or number of days
 */
s.getValOnce=new Function("v","c","e",""
+"var s=this,k=s.c_r(c),a=new Date;e=e?e:0;if(v){a.setTime(a.getTime("
+")+e*86400000);s.c_w(c,v,e?a:0);}return v==k?'':v");

s.getTimeParting=new Function("t","z","y",""
+"dc=new Date('1/1/2000');var f=15;var ne=8;if(dc.getDay()!=6||"
+"dc.getMonth()!=0){return'Data Not Available'}else{;z=parseInt(z);"
+"if(y=='2009'){f=8;ne=1};gmar=new Date('3/1/'+y);dsts=f-gmar.getDay("
+");gnov=new Date('11/1/'+y);dste=ne-gnov.getDay();spr=new Date('3/'"
+"+dsts+'/'+y);fl=new Date('11/'+dste+'/'+y);cd=new Date();"
+"if(cd>spr&&cd<fl){z=z+1}else{z=z};utc=cd.getTime()+(cd.getTimezoneO"
+"ffset()*60000);tz=new Date(utc + (3600000*z));thisy=tz.getFullYear("
+");var days=['Sunday','Monday','Tuesday','Wednesday','Thursday','Fr"
+"iday','Saturday'];if(thisy!=y){return'Data Not Available'}else{;thi"
+"sh=tz.getHours();thismin=tz.getMinutes();thisd=tz.getDay();var dow="
+"days[thisd];var ap='AM';var dt='Weekday';var mint='00';if(thismin>1"
+"5&&thismin<30){mint='15'}if(thismin>30&&thismin<45){mint='30'}if(th"
+"ismin>45&&thismin<60){mint='45'}"
+"if(thish>=12){ap='PM';thish=thish-12};if (thish==0){th"
+"ish=12};if(thisd==6||thisd==0){dt='Weekend'};var timestring=thish+'"
+":'+mint+ap;var daystring=dow;var endstring=dt;if(t=='h'){return tim"
+"estring}if(t=='d'){return daystring};if(t=='w'){return en"
+"dstring}}};"
);

/*
 * Plugin Utilities v3.0 (Required For All Plugins)
 */
s.vpr=new Function("vs","v",
"var s=this,k=vs.substring(0,2)=='s_'?vs.substring(2):vs;s['vpv_'+k]="
+"v;s['vpm_'+k]=1");

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';");


/* 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="educationweekonline"
s.trackingServer="m.edweek.org"
s.trackingServerSecure="sm.edweek.org"
s.dc="122"

/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************/
var s_code='',s_objectID;function s_gi(un,pg,ss){var c="s._c='s_c';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.wd.s_c_in++;s"
+".an=s_an;s.cls=function(x,c){var i,y='';if(!c)c=this.an;for(i=0;i<x.length;i++){n=x.substring(i,i+1);if(c.indexOf(n)>=0)y+=n}return y};s.fl=function(x,l){return x?(''+x).substring(0,l):x};s.co=func"
+"tion(o){if(!o)return o;var n=new Object,x;for(x in o)if(x.indexOf('select')<0&&x.indexOf('filter')<0)n[x]=o[x];return n};s.num=function(x){x=''+x;for(var p=0;p<x.length;p++)if(('0123456789').indexO"
+"f(x.substring(p,p+1))<0)return 0;return 1};s.rep=s_rep;s.sp=s_sp;s.jn=s_jn;s.ape=function(x){var s=this,h='0123456789ABCDEF',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.substring(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=(n-n%16)/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.substring(i,i+1)."
+"toUpperCase())>=0)return x.substring(0,i)+'u00'+x.substring(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){var s=th"
+"is,t=x,z=0,y,r;while(t){y=t.indexOf(d);y=y<0?t.length:y;t=t.substring(0,y);r=s[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=function(t,a){var c=a"
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