/* TheBostonChannel.com scripts */
// Begin national js scripts

// Site Info Object
var siteinfo = {
tld:"com", lang:"en", timezone:"EDT", id:"5161184", affiliate:"abc", owner:"hearst", is_ia:"yes", codebase:"3", 
 sitekey:{lc:"bos", uc:"BOS" }, 
 sitename:{lc:"thebostonchannel", mx:"TheBostonChannel", uc:"THEBOSTONCHANNEL", display:"TheBostonChannel.com" }, 
 callletters:{lc:"wcvb", uc:"WCVB" }, 
 statecode:{uc:"MA", lc:"ma" }, 
 statename:{uc:"MASSACHUSETTS", lc:"massachusetts", mx:"Massachusetts" }, 
 city:{uc:"BOSTON", lc:"boston", mx:"Boston" }, 
 contentrights:{cnn:"yes", nbcoo:"no", group:"blue", ah:"no" }, 
 search:{ultraseekregion:"hearst" }, 
 thirdparty_info:{
  moving:{id:"a11440"}, 
  serviceMagic:{formId:"725564", articleId:"725563", affiliateCode:"ibsboston"}, 
  tripadvisor:{id:"10710"}, 
  experian_auto:{id:"1702"}, 
  stepup:{id:"1020"}, 
  eharmony:{cid:"1171", clicktracker_dfp:"12700794;8704162;f"}, 
  findlaw:{clicktracker_id:"6861460;8704162;k", clicktracker_dfp:"6861460;8704162;k"}, 
  experion:{id:"6356"}, 
  homestore:{clicktracker_id:"3593", code:"ib", clicktracker_dfp:"7412465;8704162;i"}, 
  monster:{lid:"462,463,464,453,893,892,20584,455,454,530"}, 
  valpak:{clicktracker:"4784", clicktracker_dfp:"7440788;8704162;r"}, 
  titantv:{id1:"53456"}, 
  flustar:{id:"1017"}, 
  coupons:{pid:"10945&zid=nz61&nid=11"}, 
  WT_info:{id:"dcsr7z6hi10000cx5gifp0jrt_7w9n"}, 
  smartmoney:{clicktracker:"27400142;8704162;v"}
 }, 
 video:{playerversion:"5", skin:"blue", wxicons:"hearst", headerlinks:"#ffffff", cpcode:"12880" }
}


// GLOBAL Variables
now = new Date();
expire = new Date((now.getFullYear()+1),now.getMonth(),now.getDate());
var child = 0;
var rnd = new Date();
rnd = rnd.getTime();

// Deprecated variables
//var IBS_Sitekey = siteinfo.sitekey.lc;
var IS_IA = siteinfo.is_ia;
IBSSite = new Object();
dotPosition = document.location.host.indexOf('.')+1;
IBSSite.domain = document.location.host.substring(dotPosition);

// Set environment variables
env = new Object();
env.bVer = navigator.appVersion;
env.bName = navigator.appName;
env.platform = navigator.platform;
env.userAgent = navigator.userAgent;
env.cookies = navigator.cookieEnabled;
env.NS4 = (document.layers)? 1 : 0;
env.MacIE = ((navigator.userAgent.indexOf("IE 4")  > -1) && (navigator.userAgent.indexOf("Mac")  > -1))? 1 : 0;
env.IE4 = (document.all && !env.MacIE)? 1 : 0;
env.Gen4 = (document.all || document.layers)? 1 : 0;
if(env.bName.indexOf('Netscape') != -1) isNN = true;
else isNN = false;
if(env.bName.indexOf('Microsoft') != -1) isIE = true;
else isIE = false;

//Open window - pass URL and Attributes
function popUp(URL, ATTRIBUTES)  {
	DEF_ATTRIB = 'width=200,height=200,top=100,left=100,resizable=yes,scrollbars';
	if (ATTRIBUTES == null) {
		ATTRIBUTES = DEF_ATTRIB;
	}
	child = window.open(URL, "spawn", ATTRIBUTES);
	// child.opener = self;
}



// FIX THE STRINGS ( apostrophes)
function fixString(strText) {
	var newstr = strText.replace(/~/g, "'");
	return newstr;
}

// Replace white space around tags in teaser - used in TopStory and PhotoArray
function padTags(s){
	var tmp = s.replace(/(<\w)/ig, " $1");
	tmp = tmp.replace(/(<\/\w>)/ig, "$1 ");
	return tmp;
}

/**
 * returns the parent widget ID of the given indexID, for use
 * with jsIndex
 */
function getWidgetID(indexId)
{
	var el = document.getElementById("index"+indexId);
	if(el == null) return null;
	var p = el.parentNode;
	while(p)
	{
		if(p.id && p.id.match(/sw[0-9]+/))
			return p.id.replace(/sw/,"");
		p = p.parentNode;
	}
	return null;
}




var XMLObj = {
	impl: function() {
		return (window.XMLHttpRequest ? new XMLHttpRequest() : 
				(window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : 
					new Error("No XMLHttpRequest Implementation")));
	},
	
	get: function(url, handler) {
		var req = XMLObj.impl();
		req.open("get", url, true);
		req.onreadystatechange = function() {
			/* Opera may return status 304; unchanged */
			if(req.readyState == 4) {
				handler(req.responseXML, req.responseText);
			}
		};
		req.send(null);
	},
	
	post: function(url, params, handler) {
		var req = XMLObj.impl();
		req.open("post", url, true);
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		req.setRequestHeader("Referer", document.location.href);
		req.onreadystatechange = function() {
			/* Opera may return status 304; unchanged */
			if(req.readyState == 4 ) {
				handler(req.responseXML, req.responseText);
			}
		};
		req.send(params);
	}
};


// reload adcode
function refreshAd(ad) {
	if (typeof bannerUrl == 'undefined') {
		bannerUrl = document.getElementById(ad).src;
	}
	rnd++;  //increment the random number
	document.getElementById(ad).src = bannerUrl;
}


/**
 * Generic AdObj holds properties to ease calling pixel ads for specific uses
 * @constructor
 * @param {String} position Corresponds to ad position, like mediawidow, banner or tile
 * @param {String} sz Size, formatted as 2x2
 * @param {String} swId Section widget id
 * @param {String} coId Content id
 * @param {String} section Section widget section
 */
function AdObj(position, sz, swId, coId, section) {
	this.position = position;
	this.sz = sz;
	this.swId = swId;
	this.coId = coId;
	this.section = section;
	
	var size = this.sz.split("x");
	this.width = size[0];
	this.height = size[1];
}

/**
 * Append iframe with ad call to end of document or refresh the ad of set position
 * NOTE: DART key set to ibs.[sitekey].interactive
 */
AdObj.prototype.callAd = function() {
	if (!document.getElementById(this.position)) {
		// append iframe to document
		document.getElementsByTagName("body")[0].appendChild(document.createElement("span")).innerHTML = "<iframe id="+
		this.position+" src='http://ad.doubleclick.net/adi/ibs."+siteinfo.sitekey.lc+".interactive/"+adZone+";kw="+this.section+"+"+
		this.position+""+segQS+";comp="+adid+";ad=true;tile="+dcadposition+ ";pgtype=detail;sz="+this.sz+";ord="+rnd+"?' width='"+
		this.width+"' height='"+this.height+"' marginwidth='0' marginheight='0' frameborder='0' scrolling='no'></iframe>";
	} else {
		refreshAd(this.position);
	}
}



// Define client cookie values
cookiesList = document.cookie.split('; ');
myCookies = new Array();
for(c=0; c<cookiesList.length; c++) {
	cookieTemp = cookiesList[c].split('=');
	myCookies[cookieTemp[0]] = cookieTemp[1];
}

// Added new variable to support multiple sub domains
var docDomain = document.domain.split('.');
var dd='';
for(var i=1; i<docDomain.length; i++) {
	dd+="."+docDomain[i];
}
docDomain=dd;

// Set cookie info
function setCookie( name, value, path, expires, domain, secure ) {
	expire.setTime(now.getTime() + expires * 24 * 60 * 60 * 1000);
	curCookie =  name + "=" + escape(value) +
		((expires) ? "; expires=" + expire.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	if ((name + "=" + escape(value)).length <= 4000) document.cookie = curCookie;
	else if (confirm("Cookie exceeds 4KB and will be cut!")) document.cookie = curCookie;
}

// Get cookie info
function getCookie(c) {
	if(typeof myCookies[c] != 'undefined') return myCookies[c];
	else return '';
}

// Remove cookie
function deleteCookie(name,path) {
	setCookie(name,"",path,-1,docDomain);
}

// In case old cookie functions are used somewhere...
WM_setCookie  = setCookie;
WM_readCookie = getCookie;
WM_killCookie = deleteCookie;



function fixPngImage(p) {
	var imgsrc;
	var trans = "http://images.ibsys.com/sh/images/spacer.gif";   
	if(typeof p.tested != undefined && !p.tested &&  typeof p.runtimeStyle != 'undefined') {
	   // retain image src
	   imgsrc = p.src;

	   // make sure the image is a PING
	   if ( /\.png$/.test( imgsrc.toLowerCase() ) ) {
	   	// If it is set it to a transparent image
		p.src = trans;
		// Set the runtime style to load the alpha image in the background
		p.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgsrc + "',sizingMethod='scale')";
		p.tested = true;
	   }
   }
}

// Calls 'func' on 'eventName' in 'obj'
function addEvent(obj, eventName, func)
{
	if(obj.addEventListener)
		return obj.addEventListener(eventName, func, true);
	else if(obj.attachEvent)
	{
		obj.attachEvent("on" + eventName, func);
		return true;
	}
	return false;
}
function mwpop(path,w,h) {
	var atts = 'width='+w+',height='+h+',\'scrollbars=yes,toolbar=no,status=no,location=no,menubar=no,top=50,left=50';
	popUp(path, atts);
}

// End national_js scripts