var hub;

var storyType = location.href.split("/")[6];

var xmlhttp;



/* NB: font size */

function fontSizer(){

	if(!d.getElementById("articleTools") || d.getElementById("fontSize")){ return; };

	

	var fS = parseInt(checkFontSize());

	newSize(fS);

	

	var fsHolder = d.createElement("li");

	fsHolder.id = "fontSize";

	

	var smallerObj = createFontSizer("fsSmaller");

	var largerObj = createFontSizer("fsLarger");

	

	d.getElementById("articleTools").appendChild(fsHolder);

	fsHolder.appendChild(smallerObj);

	fsHolder.appendChild(largerObj);

	fsHolder.appendChild(d.createTextNode("Text Size"));

	

	function checkFontSize(){

		function convertFontSize(){

			var cookie = getCookie("gam_style");

			if(cookie==null){ return; }

			cookie = cookie.split(";");

			for(x=0;cookie.length>x;x++){

				if(cookie[x].indexOf("fS")!=-1) {	

					switch(cookie[x].split("fS=")[1]){

						case -2:

							fS = 0;

							break;

						case 0:

							fS = 2;

							break;

						case 1:

							fS = 3;

							break;

						case 2:

							fS = 4;

							break;

						default:

							fS = 1;

							break;

					}

				}

			}

			deleteCookie("gam_style");

			setCookie("TGAM-fontSize", "fS="+fS+";");	

		}

		convertFontSize(); 

		

		var cookie = getCookie("TGAM-fontSize");

		if(cookie==null){ cookie = "fS=1;"; }

		cookie = cookie.split(";");

		for(x=0;cookie.length>x;x++){

			if(cookie[x].indexOf("fS")!=-1) {	

				var fS = cookie[x].split("fS=")[1];

				if(isNaN(fS)) { fS = 1; }

				setCookie("TGAM-fontSize", "fS="+fS+";");	

			}

		}

		return fS; 

	}

	

	function createFontSizer(v){

		switch(v){

			case "fsSmaller":

				var parms = [smallerObj,"Decrease","\u2212","minus",0];

				var smallerObj = d.createElement("img");

				break;

			case "fsLarger":

				var parms = [largerObj,"Increase","+","plus",4];

				var largerObj = d.createElement("img");

				break;

		}

		parms[0] = d.createElement("img");

		parms[0].src = "http://images.theglobeandmail.com/v5/images/icon/icon-"+parms[3]+".gif";

		parms[0].width = 12;

		parms[0].height = 11;

		parms[0].alt = parms[3];

		parms[0].id = v;

		parms[0].style.verticalAlign = "-1px";

		parms[0].style.margin = "0 2px";

		if(parms[4]!=fS) {

			addEvent(parms[0],"click",changeSize);

			parms[0].title = parms[1] +" the text size";

			parms[0].style.cursor = (d.all) ? "hand" : "pointer";

			parms[0].style.opacity = "1";

		} else {

			parms[0].title = "You cannot " + parms[1].toLowerCase() + " the text size any further";

			parms[0].style.cursor = "default";

			parms[0].style.opacity = "0.2";

		}

		return parms[0];

	}

	

	function changeSize(){

		switch(this.id){

			case "fsSmaller":

				var parms = [smallerObj,largerObj,"Decrease","Increase","\u2212","minus",0,-1];

				break;

			case "fsLarger":

				var parms = [largerObj,smallerObj,"Increase","Decrease","+","plus",4,1];

				break;

		}

		var fS = checkFontSize();

		var nfS =	eval(parseInt(fS)+parms[7]);

		if(parms[6]!=nfS){

			newSize(nfS);

			addEvent(parms[1],"click",changeSize);

			parms[1].title = parms[3] +" the text size";

			parms[1].style.opacity = "1";

			parms[1].style.cursor = (d.all) ? "hand" : "pointer";

		} else {

			newSize(nfS);

			removeEvent(parms[0],"click",changeSize);

			parms[0].title = "You cannot " + parms[2].toLowerCase() +" the text size any further";

			parms[0].style.opacity = "0.2";

			parms[0].style.cursor = "default";

		}

		

		if(d.getElementById("skyRHolder") && d.getElementById("skyR") ) {

			placeAC("skyR");

		}	

		if(d.getElementById("boxRHolder") && d.getElementById("boxR") ) {

			placeAC("boxR");

		}		

		if(d.getElementById("halfpageRHolder") && d.getElementById("halfpageR") ) {

			placeAC("halfpageR");

		}			

	}

	

	function newSize(fS){

		switch(fS) {

			case 0:

				size = 85;

				break;

			case 2:

				size = 115;

				break;

			case 3:

				size = 130;

				break;

			case 4:

				size = 150;

				break;

			default:

				size = 100;

				break;

		}

		if(d.getElementById("article")) { d.getElementById("article").style.fontSize = size+"%"; }

		setCookie("TGAM-fontSize", "fS="+fS+";");	

	}



}



/* NB: widen page on finance sites */

function writeWidenPage(){

	if(d.getElementsByTagName("BODY")[0].className.indexOf("globeinvestor")!=-1 || d.getElementsByTagName("BODY")[0].className.indexOf("globefund")!=-1){ 

		var pt = d.getElementById("articleTools");

		var li = d.createElement("LI");

		var an = d.createElement("A");

		li.className = "widen";

		an.href = "#";

		addEvent(an,"click",function () { widenPage(this); return false; });

		an.appendChild(d.createTextNode("Widen this Page"));

		li.appendChild(an);

		pt.appendChild(li);

	}



	function widenPage(el){

		var nObj = d.getElementById("articleTools").childNodes;

		var text = el.firstChild.nodeValue;

	

		if(text.indexOf("Widen")!=-1){

			d.getElementById("content").className = "widen";

			el.firstChild.nodeValue = "Narrow this Page";

			d.getElementById("boxRHolder").style.visibility = "hidden";		

			d.getElementById("skyRHolder").style.visibility = "hidden";	

			d.getElementById("halfpageRHolder").style.visibility = "hidden";	

			el.parentNode.className = "narrow";

		} else {		

			d.getElementById("content").className = "";

			d.getElementById("boxRHolder").style.visibility = "";			

			d.getElementById("skyRHolder").style.visibility = "";	

			d.getElementById("halfpageRHolder").style.visibility = "";	

			el.firstChild.nodeValue = "Widen this Page";

			el.parentNode.className = "widen";

		}

	}

}



/* NB: duplicate tools within aricles */

function addArticleTools(){

	if(d.getElementById("articleBottomTools") || !d.getElementById("articleBottomToolsHolder")) { return; }

	var aTools = d.getElementById("articleTools").cloneNode(true);

	aTools.id = "articleBottomTools";

	d.getElementById("articleBottomToolsHolder").appendChild(aTools);

	addArticleToolEvents(d.getElementById("articleTools").getElementsByTagName("A"));

	addArticleToolEvents(d.getElementById("articleBottomTools").getElementsByTagName("A"));

	

function addArticleToolEvents(aToolsLinks){

	function copyrightPopup(url){

		(window.copywrite==null||copywrite.closed) ? copywrite=window.open(url,'contentservices', 'width=508,height=550,scrollbars=yes,resizable=yes') : copywrite.location.href = url; 

		copywrite.focus();

	}

	if(aToolsLinks.length>0){

		if(d.getElementById("articleTools")){ 

			for(x=0;aToolsLinks.length>x;x++){

				if(aToolsLinks[x].parentNode.className=="comment" && d.getElementById("commentRSS")) { 

					aToolsLinks[x].title = (aToolsLinks[x].className=="closed") ? "Follow the conversation" : "Join the conversation";

				}

				else if(aToolsLinks[x].parentNode.className=="license") {

					addEvent(aToolsLinks[x], "click", function() {

						copyrightPopup(this.href);

						return false;

					});

				}

			}

		}

	}}

}



/* NB: get stories, and hide if listed */

function getSLinks(i,s_id,count){

	var s_links = d.getElementById(i).getElementsByTagName("a");

	for(x=0;s_links.length>x;x++){

		if((s_links[x].href.indexOf(s_id)>1) || (x>=count)){

			nObj = ((i=="relatedNewsNav" || i=="wiseNav") && s_links[x].parentNode.parentNode.nodeName=="LI") ? s_links[x].parentNode.parentNode : s_links[x].parentNode;

			nObj.style.display = "none";

			return;

		}

	}

}



/* NB: video popup in the related portion of story pages */

function get_video() {

	var videos = $A(getElementsByClassName($("related"), "DIV", "related_video"));

	if (videos.length > 0) {

		videos.each(function(video) {

			var ankors = $A(video.getElementsByTagName("A"));

			ankors.each(function(a) {

				addEvent(a, "click", function() {

					window.name='mainStory';

					var win = window.open(this.title,'video','width=750,height=680','status=no,scrollbars=no,resizeable=yes,toolbar=no');

					return false;

				});

			});

		});

	}

}



/* NB: init */

function articleInit(){

	if(d.getElementById("articleTools") && location.href.indexOf("CommentStory")==-1) { 

		addArticleTools();

		if(window.print){ 

			printThis(d.getElementById("articleTools"));

			if(d.getElementById("articleBottomTools")) { printThis(d.getElementById("articleBottomTools")); }

		}	

	}

	

	if((location.href.indexOf("PPVStoryOwn")==-1) && (d.getElementsByTagName("BODY")[0].className.indexOf("bundle")==-1)) { 

		fontSizer();  

	}

	

	if(d.getElementById("feedsAvailable")) { 

		makeRSSLink("feedsAvailable","A"); 

	}

	

	var shareLinks = getElementsByClassName(d.getElementById("content"), "A", "share-article");

	if(shareLinks.length > 0) {

		for(var i=0; i<shareLinks.length; i++)	{

			addEvent(shareLinks[i], "click", function() {

				return showHelp("shareThisPost",this,"switch","close-shareThisPost","","",40,40);

			});

		}

	}

		

	writeWidenPage();

	if(d.getElementById("showWhatAreTags")) {

		tagInit();

	}

	//if(d.getElementById("related")) { 

		FTSinit(); 
  if(d.getElementById("related")) { 
		get_video();
	}

	//}

}



/*

function tagInit() {

	if(storyType == "BNStory" || storyType == "GAStory" || storyType == "WBStory") {  

		addEvent(d.getElementById("showWhatAreTags"), "click", function() {

			return showHelp("whatAreTags",this,"switch","close-whatAreTags","","",60,20);

		});

	} 

}

*/



function FTSinit() {

	if(storyType != "BNStory") { return; }	

	var objWriters = getElementsByClassName($("content"), "A", "ftsWriter"); /* grab writers from Follow this Writer in related to Article */

	if(objWriters.length > 0) {

		for(var c=0; c<objWriters.length; c++) {

				// add the event to prompt for each writer

				addEvent(objWriters[c], "click", function() {

					var col = this.id.split("-")[1];

					return showHelp("showEmailAlert-" + col,this,"switch","close-showEmailAlert-" + col);

				});

				// now add the event for each additon

				var columnist = objWriters[c].id.split("-")[1];

				addEvent($("createBNAlert-" + columnist), "click", createAlert);

		}//end for

	}

	/* follow this company */

	var objStock = getElementsByClassName(d.getElementById("related"), "A", "ftsStock");

	if(objStock.length > 0) {

		for(var g=0; g<objStock.length; g++) {

			addEvent(objStock[g], "click", function() {

				var name = this.id.split("-")[1];

				return showHelp("showEmailStockAlert-" + name,this,"switch","close-showEmailStockAlert-" + name);

			});	

		}

		var objLinks = getElementsByClassName(d.getElementById("content"), "A", "createBNStockAlert");

		for(var x=0; x<objLinks.length; x++) {

			addEvent(objLinks[x], "click", createAlert);	

		}

	}	

	/* get class whatAreAlerts and then add event */

	var objWhat = getElementsByClassName(d.getElementById("content"), "A", "whatAreAlerts");	

	if(objWhat.length > 0) {

		for(var b=0; b<objWhat.length; b++) {

			addEvent(objWhat[b], "click", function() { 

				return showHelp("showWhatAreAlerts",this,"switch","close-showWhatAreAlerts");	

			});

		}

	}

}	



function createAlert(e) {

	e = (!e) ? window.event : e;

	var url = this.href;

	var objId = this.id;

	var objTxt = this.href.split("=")[2]; /* ie. MSFT or TERRY+WEBER */

	var type, objShow, aAdd, objList, imgLock;

	

	if(objId.indexOf("createBNAlert-") != -1) {

		type = "writer";

	} else if(objId.indexOf("stockAlert-") != -1) {

		type = "stock";

	} else {

		return;

	}	



	if (window.XMLHttpRequest){

		xmlhttp = new XMLHttpRequest();

	} else if (window.ActiveXObject){

		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

	} else {

		return false;

	}	

	xmlhttp.open("GET", url, true);

	xmlhttp.onreadystatechange = function() {

		if (xmlhttp.readyState == 4 ||  xmlhttp.readyState=="complete") {

			if(type == "writer") {

				// we've gone getElementsByTagName crazy below since IE and FF differ in ues of code like

				objShow = d.getElementById("showEmailAlert-" + objTxt);

				objList = d.getElementById("showEmailAlert-" + objTxt).getElementsByTagName("UL")[0];

				if((xmlhttp.responseText.indexOf("Max writer") == -1) && (xmlhttp.responseText.indexOf("Sorry") == -1) && (xmlhttp.responseText.indexOf("Writer already exists") == -1)) {

						objShow.getElementsByTagName("H4")[0].firstChild.nodeValue = "Your alert has been created!";

				}

				objShow.getElementsByTagName("P")[0].innerHTML = xmlhttp.responseText;

				imgLock = objList.getElementsByTagName("IMG")[0]; // the lock image

				aAdd = objList.getElementsByTagName("LI")[0].getElementsByTagName("A")[0];	// the add link		

				objList.getElementsByTagName("LI")[0].removeChild(aAdd);

				objList.getElementsByTagName("LI")[0].removeChild(imgLock);

			} else if(type == "stock") {

				var name = objId.split("-")[1];				

				objShow = d.getElementById("showEmailStockAlert-" + name);

				objList = d.getElementById("stockAlert-" + name).parentNode;

				if(xmlhttp.responseText.indexOf("stockAdded") == -1){

					objList.innerHTML = xmlhttp.responseText;

				} else {

					objList.appendChild(d.createTextNode("E-mail alert for ticker symbol " + objTxt + " (" + name + ") has been added"));

					imgLock = objList.getElementsByTagName("IMG")[0];

					aAdd = objList.getElementsByTagName("A")[0];

					objList.removeChild(aAdd);

					objList.removeChild(imgLock);

				}

			} else {

				return;	

			}			

			objShow.className += " alertAdded";

			if(type == "writer" ) { new Effect.Highlight(objShow.getElementsByTagName("P")[0], {duration: 3.0 }); }

			new Effect.Highlight(objList, {duration: 3.0 });

		} 	

	}

	xmlhttp.send(url);	

	return false;

}



var Article = Class.create();

Article.prototype = {	

	initialize: function() {

		this.recommend_obj = $('recommend');

		this.story_type = location.href.split("/")[5];

		this.recommend_button = $('recommend').down('a');

		addEvent(this.recommend_button, "click", this.recommend.bind(this));

		this.recommend_url = "/servlet/story/"+this.story_type+"/recommend?action=approve";

		//this.recommend_button.href = "javascript:;";

	},	

	recommend : function() {

		//if ($('rec-response')) { Element.remove($('rec-response')); }

		$('rec-response').cleanWhitespace();

		if ($('rec-response').firstChild) {

			$('rec-response').firstChild.nodeValue = '';

		}		

		var url = this.recommend_url + '\u0026ord=' + Math.round(10000000000*Math.random());

		var txt;		

		new Ajax.Request(url, {

			method: 'get',

			onSuccess: function(transport) {

				if (this.recommendation_approved(transport.responseText)) {

					txt = 'Your vote has been added!';

					setTimeout(function() {

						$('recommend-count').firstChild.nodeValue = parseInt($('recommend-count').cleanWhitespace().firstChild.nodeValue) + 1;

						//$('recommend-count').update(parseInt($('recommend-count').cleanWhitespace().firstChild.nodeValue) + 1);

					}, 1300);	

				} else {

					txt = 'Sorry, but you can only recommend an article once!';					

				}

				$('rec-response').appendChild(document.createTextNode(txt));

				//$('rec-response').update(txt);

				new Effect.BlindDown($('rec-response'),{duration: 0.5});

				new Effect.Highlight($('rec-response'),{duration: 0.5});	

			}.bind(this)

		});

		return false;

	},

	

	recommendation_approved : function(response) {

		if (response.indexOf('approved') == -1) {

			return false;

		} else {

			return true;

		}

	}

		

};



if (typeof Event.onReady == 'function') { /* prototype.js is being included */

	Event.onReady(function() {

		if ($('recommend')) { var article = new Article(); }

		if ($('most-popular')) { var pop = new MostPopular(); }

		articleInit();	

	});

} else { /* legacy... */

	addEvent(window,"load",function() {

		if ($('recommend')) { var article = new Article(); }

		if ($('most-popular')) { var pop = new MostPopular(); }

		articleInit();

	});

}



/* for IE browsers lower than ie7 *//*@cc_on

	@if (@_jscript_version < 5.7)

		d.write("<script src='/v5/scripts/onLoad-ie.js'><"+"/script>");

	@end

@*/