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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_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++){
	//debug alert
	//alert(i+CHRON_gat[i].getAttribute('name'));
                switch (CHRON_gat[i].getAttribute('type')){
                        case 'keyname':
                                if ( CHRON_gat[i].getAttribute('name') && CHRON_gat[i].getAttribute('value') ){
                                        CHRON_query += CHRON_gat[i].getAttribute('name') + '=' + CHRON_gat[i].getAttribute('value') + '&';
                                }
                                break;
                        case 'keyword':
                                if ( CHRON_gat[i].getAttribute('value') ){
                                        CHRON_query += CHRON_gat[i].getAttribute('value') + '&';
                                }
                                break;
                        case 'rkeyname':
                                if ( CHRON_gat[i].getAttribute('name') && CHRON_gat[i].getAttribute('value') ){
                                        CHRON_query += CHRON_gat[i].getAttribute('value') + '=' + CHRON_gat[i].getAttribute('name') + '&';
					
                                }
                                break;
                        case 'sitepage':
                                if (CHRON_gat[i].getAttribute('value') && CHRON_gat[i].getAttribute('order')){
                                        CHRON_sitepage_array[CHRON_gat[i].getAttribute('order')] = CHRON_gat[i].getAttribute('value');
                                }
                                break;
                        case 'listpos':
                                if (CHRON_gat[i].getAttribute('value')){
                                        CHRON_listpos = CHRON_gat[i].getAttribute('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);
	//CHRON_listpos
	//nothing to do
        //alert('<!-- CHRON_query    [[ ' + CHRON_query + ' ]] -->');
        //alert('<!-- CHRON_listpos  [[ ' + CHRON_listpos + ' ]] -->');
        //alert('<!-- CHRON_sitepage [[ ' + 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);
				//document.body.insertBefore(CHRON_cloned_node, document.getElementsByName('body')[0]); //insert at the top of the body -- DOESN'T WORK IN IE
				/*document.body.appendChild(CHRON_cloned_node);*/			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);
				//document.body.insertBefore(CHRON_cloned_node, document.getElementsByName('body')[0]);
				//insert at the top of the body -- DOESN'T WORK IN IE
				//document.body.appendChild(CHRON_cloned_node);			
				CHRON_clone[i].parentNode.appendChild(CHRON_cloned_node);
				delete(CHRON_cloned_node);
			}
		}
		
	} 
	//adwiz_errors ?	alert(adwiz_errors):0;	
	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){
	//liststring=liststring.replace(/^\/|\/$/, '');
	//give me the the variables and I will sort it out
	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 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':
			return CHRON_subdomain + '.chron.com';
			break;
		default:
			return 'www.chron.com';
			break;
		}
	}else{
		return 'www.chron.com';
	}
}

// chronicle control variables need by adWiz.mpl

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 = '';

// rbx: get and process all of the adwiz custom tags
CHRON_get_adwiz_tags();
// adWiz call -- NO NEED TO EDIT
document.write('<script id="OAS_MJX_TAG" language="javascript" src="' + CHRON_adwiz_src + '?url=' + CHRON_page + '&param='+ CHRON_param +'"></script>');