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Author: Robert Birkline

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*/
var adwiz_errors = ''; //this is a container to hold errors

function CHRON_get_param(){
	var CHRON_gp = window.location.href;
	var CHRON_gp_list = CHRON_gp.split(/\?/);
	if (CHRON_gp_list.length > 1){
		CHRON_gp_list[1] = CHRON_gp_list[1].replace(/\&/g,',');
		CHRON_gp_list[1] = CHRON_gp_list[1].replace(/\=/g,'~');
		return CHRON_gp_list[1];
	}
	return '';	
}

function CHRON_get_param_array(){
	var CHRON_gpa = window.location.href;
	var CHRON_gpa_list = CHRON_gpa.split(/\?/);
	var CHRON_gpa_list_final = Array();
	if (CHRON_gpa_list[1]){
		var CHRON_gpa_list_sp = CHRON_gpa_list[1].split(/\&/);
		for (i=0; i < CHRON_gpa_list_sp.length; i++){
			try{
			CHRON_tmp = CHRON_gpa_list_sp[i].split(/=/);
			CHRON_gpa_list_final[CHRON_tmp[0]] = CHRON_tmp[1];
			}catch(e){}
		} 
	}
	return CHRON_gpa_list_final;
}

function CHRON_tag_normal(x){

	x = x.replace(/\s+/g,'+');
	return x;
}

function CHRON_reset_query_string(){
	CHRON_query ='';
	return true;
}


function CHRON_add_to_query_string(x){
	CHRON_query += x+'&';
	return true;
}

function CHRON_get_adwiz_tags(){
        //get the tags information
	
        var CHRON_gat = document.getElementsByTagName('adwiz');
        var CHRON_gat_length = CHRON_gat.length;
        if (!CHRON_query){CHRON_query='';}
        if (!CHRON_listpos){CHRON_listpos='';}
	//set the sitepage array up, this allows ordering of content.
	var CHRON_sitepage_array = Array();
	CHRON_sitepage?CHRON_sitepage_array[0]=CHRON_sitepage:CHRON_sitepage_array[0]='';
	CHRON_sitepage='';
        for (i=0; i < CHRON_gat_length; i++){
		var tag_name = CHRON_gat[i].getAttribute('name');
		var tag_type = CHRON_gat[i].getAttribute('type');
		var tag_value = CHRON_gat[i].getAttribute('value');
		var tag_order = CHRON_gat[i].getAttribute('order');

                switch (tag_type){
                        case 'keyname':
                                if ( tag_name && tag_value ){
					 CHRON_adwiz_tag.keyname[tag_name] = tag_value;
                                         CHRON_add_to_query_string(tag_name + '=' + tag_value);
                                }
                                break;
                        case 'keyword':
                                if ( tag_value ){
					CHRON_adwiz_tag.keyword.push(tag_value);
                                        CHRON_add_to_query_string(tag_value);
                                }
                                break;
                        case 'rkeyname':
                                if ( tag_name && tag_value ){
					CHRON_adwiz_tag.keyname[tag_value] = tag_name;
                                        CHRON_add_to_query_string( tag_value + '=' + tag_name );
                                }
                                break;
                        case 'sitepage':
                                if ( tag_value && tag_order ){
					CHRON_adwiz_tag.sitepage = tag_value;
                                        CHRON_sitepage_array[tag_order] = tag_value;
                                }
                                break;
                        case 'listpos':
                                if (tag_value){
					CHRON_adwiz_tag.listpos = tag_value;
                                        CHRON_listpos = tag_value;
                                }
                                break;
                        default:
                                break;
                }
        }
        //CHRON_query == clean up the query tag
        CHRON_query = CHRON_query.replace(/\&$/,'');
	CHRON_query = CHRON_tag_normal(CHRON_query);
	//CHRON_sitepage == set order to sitepage variable
	for (i = 0; i < CHRON_sitepage_array.length; i++){
		try {
			if (CHRON_sitepage_array[i]){
				CHRON_sitepage += CHRON_sitepage_array[i] + '/';
			}
			
		}catch(e){}	
	}
	CHRON_sitepage = CHRON_sitepage.replace(/\/$/,'');
	CHRON_sitepage = CHRON_tag_normal(CHRON_sitepage);
}

function CHRON_set_type_adwiz_tags(xvalue,xname){
//get the tags information
//xname is an option value and used to set tags with specific name
var tagname;
xname ? tagname = xname : tagname = '';
        var CHRON_stat = document.getElementsByTagName('adwiz');
        var CHRON_stat_length = CHRON_stat.length;
	if ( tagname == '' ){
	//set all the tags the same
		for (i=0; i < CHRON_stat_length; i++){
				CHRON_stat[i].setAttribute('type', xvalue);
		}
	}else{
		for (i=0; i < CHRON_stat_length; i++){
			if ( CHRON_stat[i].getAttribute('name') == tagname){
				CHRON_stat[i].setAttribute('type', xvalue);
			}
		}
		
	}	
}

function CHRON_adwiz_tag_name_change(tag2change, newname){
//find the tag and change the name of the tag
        var CHRON_stat = document.getElementsByTagName('adwiz');
        var CHRON_stat_length = CHRON_stat.length;
	for (i=0; i < CHRON_stat_length; i++){
		if (tag2change == CHRON_stat[i].getAttribute('name') ){
			CHRON_stat[i].setAttribute('name', newname);
		}
	}
}

function CHRON_clone_adwiz_tags(tagtype, tagname){
try{
//get the tags information
//xname is an option value and used to set tags with specific name
var xname;
var adwiz_errors;
tagname ? xname = tagname : xname = '';
        var CHRON_clone = document.getElementsByTagName('adwiz');
        var CHRON_clone_length = CHRON_clone.length;
	var CHRON_max =1000;

	if ( xname == '' ){
	//clone set all the tags the same
		for (i=0; (i < CHRON_clone_length || i > CHRON_max) ; i++){
			try {
				var CHRON_cloned_node = CHRON_clone[i].cloneNode(true);
				CHRON_cloned_node.setAttribute('type',tagtype);
				CHRON_clone[i].parentNode.appendChild(CHRON_cloned_node);
				delete(CHRON_cloned_node);
			}catch(e){
				adwiz_errors += 'CHRON_clone_adwiz_tags --> '+e+'\n';
			}
				
		}
	}else{
		for (i=0; i < CHRON_clone_length; i++){
			if ( CHRON_clone[i].getAttribute('name') == tagname){
				var CHRON_cloned_node = CHRON_clone[i].cloneNode(true);
				CHRON_cloned_node.setAttribute('type',tagtype);			
				CHRON_clone[i].parentNode.appendChild(CHRON_cloned_node);
				delete(CHRON_cloned_node);
			}
		}
		
	} 
	delete(CHRON_clone); delete(CHRON_clone_length); // clean up a little
}catch(e){}
}

function CHRON_make_adwiz_tags_readable(){
//go thru the tags and set the name or value to something readable
	var CHRON_stat = document.getElementsByTagName('adwiz');
        var CHRON_stat_length = CHRON_stat.length;
        for (i=0; i < CHRON_stat_length; i++){
		try {
			CHRON_tmp = CHRON_stat[i].getAttribute('name');
    			CHRON_stat[i].setAttribute('name', CHRON_adwiz_lookup[CHRON_tmp].name);
		}catch(e){}
		try{
			CHRON_tmp = CHRON_stat[i].getAttribute('value');
    			CHRON_stat[i].setAttribute('value', CHRON_adwiz_lookup[CHRON_tmp].name);
		}catch(e){}
        }
}

function CHRON_order_sitepage_append(liststring){
	var CHRON_osa = CHRON_sitepage_append.split(/&/);
	for (i=0; i < CHRON_osa.length; i++){
		var CHRON_osa_tmp = CHRON_osa[i].split(/=/);
		try{
			regex = CHRON_osa_tmp[0];
			liststring = liststring.replace(regex, CHRON_osa_tmp[1] ) ;
		}catch(e){}
	}
	//finally set the sitepage_append
	CHRON_sitepage_append = liststring;
}


function CHRON_adCode(x){
	return document.getElementById('CHRON_ADPLACEMENT_'+x).innerHTML;
}

function CHRON_MJX_TAG(){
	CHRON_adwiz_tag.MJX = document.getElementById('OAS_MJX_CALL');
}

function CHRON_adwiz_add_history(x){
	//ad history information to the call
	try{
	var chron_history_url = document.referrer;
	chron_history_url = chron_history_url.replace(/http:\/\//,'');
	var chron_history = chron_history_url.split(/\//);
	CHRON_adwiz_tag.referrer=chron_history_url;
	CHRON_adwiz_tag.referrer_domain=chron_history[0];
	CHRON_query += 'referrer_domain='+ chron_history[0] +'&referrer='+ chron_history_url +'&';
	}catch(e){adwiz_errors += 'history error\n'; }
}


/* ADWIZ SERVING SECIONT */
function CHRON_serve_adwiz(){
	// adWiz call to adwiz.mpl
	try{
	var CHRON_adwiz_url = CHRON_adwiz_src + '?url=' + CHRON_page + '&param='+ CHRON_param;
	document.write('<script id="ADWIZ_TAG" language="javascript" src="' + CHRON_adwiz_url +'"></script>');
	}catch(e){adwiz_errors += 'adwiz serve error\n';}
	CHRON_adwiz_tag.adwiz = document.getElementById('ADWIZ_TAG');

}

function CHRON_serve_reporter(sitepage, listpos, chron_url){
	// adWiz call to error reporting script
	try{
	document.write('<script id="CHRON_REPORTER" language="javascript" src="http://www.chron.com/apps/adWiz/adWizRecorder.mpl?sitepage=' + sitepage + '&listpos='+ listpos + '&url=' + chron_url +'"></script>');
	}catch(e){adwiz_errors += 'reporter error\n';}
}

function CHRON_serve_OAS_MJX(sitepage, listpos, query){
	// adWiz call to Call the MJX code
	try{
	var rn = CHRON_random_number();
  	var OAS_MJX_CALL = OAS_url + 'adstream_mjx.ads/' + sitepage + '/1' + rn + '@' + listpos + '?' + query;
  	document.write('<SCR' + 'IPT LANGUAGE="JavaScript1.1" ID="OAS_MJX_CALL" SRC="' + OAS_MJX_CALL + '"><\/SCRIPT>');
	}catch(e){adwiz_errors += 'MJX error\n';}
	CHRON_adwiz_tag.MJX = document.getElementById('OAS_MJX_CALL');
}

function CHRON_serve_OAS_NX(sitepage, listpos, pos, query){
	//adWiz call to Call the OAS normal function for nx tags
	try{
	var OAS_target = '_top';
     document.write('<A HREF="' + OAS_url + 'click_nx.ads/' + sitepage + '/1' + rn + '@' + listpos + '!' + pos + '?' + query + '" TARGET=' + OAS_target + '>');
     document.write('<IMG SRC="' + url + 'adstream_nx.ads/' + sitepage + '/1' + rn + '@' + listpos + '!' + pos + '?' + query + '" BORDER=0></A>');
	}catch(e){adwiz_errors += 'NX error\n';}
}

/*  END ADWIZ SERVING SECTION */

function CHRON_random_number(){
	var rns = '1234567890';
	var rn = new String (Math.random()); 
	return (rn.substring (2, 11));
}


function detectAdwizSubDomain(){
	//this function will look at the detect the chron subdomain used
	var CHRON_detecthostname = window.location.hostname.split(/\./);
	var CHRON_subdomain = CHRON_detecthostname[0];
	var CHRON_domain = CHRON_detecthostname[1];
	var CHRON_toplevel = CHRON_detecthostname[2];

	if (CHRON_domain == 'chron'){
		switch (CHRON_subdomain){
		case 'www':
		case 'images':
			return 'www.chron.com'; 
			break;
		case 'apps':
		case 'testakamai':
		case 'origin':
		case 'origin-www':
			return CHRON_subdomain + '.chron.com';
			break;
		default:
			return 'www.chron.com';
			break;
		}
	}else{
		return 'apps.chron.com';
	}
}

function CHRON_adwiz_sync_prototype(){
	var x = CHRON_adwiz_tag;
	x.sitepage = OAS_sitepage;
	x.listpos = OAS_listpos;
	x.query = OAS_query;
}

/* RELOAD AD FEATURE */
function CHRON_reload_all(){

}

function CHRON_showad(x){
	try{
	var curdiv = document.getElementById('CHRON_ADPLACEMENT_'+x);
	curdiv.style.border="2px solid red";
	var addiv = document.createElement('div');
	addiv.style.background = 'pink';
	addiv.style.zIndex='9999';
	addiv.style.border='2px solid black';
	addiv.onClick="alert(CHRON_adwiz_tag.pos("+x+"))";
	if ( CHRON_adwiz_tag.pos(x).search(/iframe|\-flash/) ){
		//alert('flash/iframe detected');
		addiv.style.position="absolute";
		addiv.style.inherit='no';
	}else{
		addiv.style.position="relative";
	}

	addiv.innerHTML = 'Position: '+x;
	curdiv.insertBefore(addiv,curdiv.firstChild);
	window.curdiv.focus();
	}catch(e){}
}

function CHRON_reload_select(listpos){
	//reset listpos
	CHRON_adWiz_tag.listpos=listpos;
	

	//replace the OAS_MJX_CALL with new call
	

}
/* END RELOAD AD FEATURE */

//audit functions
window.onbeforeunload = chron_audit_ads;

function chron_audit_pos (pos) {
  if (CHRON_audit_list == '') {CHRON_audit_list = OAS_listpos}
  var reg = new RegExp("\\b"+pos+"\\b");
  CHRON_audit_list = CHRON_audit_list.replace(reg,'');
}
function chron_audit_ads () {
 try {
//  if (window.OAS_RICH) {
   if (CHRON_audit_list.match(/\w/)) {
	   var loc = window.location.toString();
      chron_deadDrop('http://origin.chron.com/apps/audit/ads.gif?sitepage='+OAS_sitepage+';listpos='+OAS_listpos+';noref='+CHRON_audit_list+';loc='+encodeURI(loc));
   }
//  }
 } catch (e) {}
} 
function chron_deadDrop(src) {
   try {
     var ifr = document.createElement('img');
     ifr.src=src;
     document.body.appendChild(ifr);
     ifr.style.visibility='hidden';
   } catch(e) {}
   return null;
}

// chronicle control variables need by adWiz.mpl
/* Scoped globally */
var CHRON_page = window.location.hostname + window.location.pathname;
var CHRON_param = CHRON_get_param();
var CHRON_hostname = detectAdwizSubDomain();
var CHRON_adwiz_src = 'http://'+ CHRON_hostname +'/apps/adWiz/adWiz.mpl';
//special variables used by the adwiz html tags and other processing
var CHRON_query ='';
var CHRON_listpos = '';
var CHRON_sitepage = '';
var CHRON_sitepage_append = '';
var CHRON_audit_list = '';

/* Protype of the adwiz tag structure*/
var CHRON_adwiz_tag = {
	keyname: new Array(), /* keyvalue pair */
	keyword: new Array(), /* arary of keywords */
	sitepage: '',
	listpos: '',
// 	query: ''
	pos: CHRON_adCode,
	param: CHRON_get_param_array(),
	rn: CHRON_random_number,
	referrer: '',
	referrer_domain: '',
	reload_all: CHRON_reload_all,
	reload_select: CHRON_reload_select,
	MJX: '',
	adwiz: '',
	show: CHRON_showad
};
/* prototype alias */
var pageinfo = CHRON_adwiz_tag;


// rbx: get and process all of the adwiz custom tags
CHRON_adwiz_add_history();
CHRON_get_adwiz_tags();
CHRON_serve_adwiz(); /* actually make the adwiz call */