/* PAD XML object */

function XML_obj(){

	this.xmlDoc = "";

	this.rootNode = "";

	this.channelCollection = new Object();

	this.channelNumberAry = new Array();

	this.neighborhoods = new Object();

	this.tier = "";

	this.order = "";

	this.sort = "";

	this.allowSort = true;

	this.XMLrequestURL = "";

	this.htmlTargetID = "";

	this.statusCode = "";

	this.contextURL ="/servlet/ContentServer?pagename=XM/ChannelLineup/XMChannelLineup&c=XMChannellineup&cid=1229017904689";

}



XML_obj.prototype.addChannel = function(chName,chKey,chNumber,currArtist,currSong,editorsChoice,nHood,nHoodKey,nHoodUrl,chLink,schedURL,logo,desc){

	if(typeof this.channelCollection[chNumber] == "undefined"){

		this.channelCollection[chNumber] = new XMChannel(chName,chKey,chNumber,currArtist,currSong,editorsChoice,nHood,nHoodKey,nHoodUrl,chLink,schedURL,logo,desc);

		if(!this.neighborhoods[nHoodKey]){

			this.neighborhoods[nHoodKey] = new XM_neighborhood(nHoodKey,nHood);

		}

		this.neighborhoods[nHoodKey].addChannel(chNumber,this.channelCollection[chNumber]);

	}

}



XML_obj.prototype.processLoading = function(){

	if(typeof document.getElementById(this.htmlTargetID) != "undefined"){

		targetNode = document.getElementById(this.htmlTargetID);

		targetNode.innerHTML = "";

		loadingDiv = document.createElement('DIV');

		loadingDiv.setAttribute("id","loadingDiv");

		loadingImg = document.createElement('IMG');

		loadingImg.setAttribute("src","/images/global/tt.gif");

		loadingImg.setAttribute("width","134");

		loadingImg.setAttribute("height","113");

		loadingImg.setAttribute("border","0");

		loadingImg.setAttribute("alt","Loading...");

		loadingDiv.appendChild(loadingImg);

		targetNode.appendChild(loadingDiv);

	}else{

		alert("HTML target not present");

	}

}



XML_obj.prototype.processResults = function(xmlDoc_response){

	/*

	1	an HTML element

	2	an element attribute

	3	text

	8	an HTML comment

	9	a document

	10	a document type definition

	*/







	/* jsa */	   

	try{

		if(typeof(this.neighborhoods[this.currentDisplay])=="undefined"){

			this.currentDisplay = "all";

		}

	}

	catch(err){

		//alert(err.message);

	}	

	/******/









	this.xmlDoc = xmlDoc_response;

	this.rootNode = this.xmlDoc.getElementsByTagName('paddata').item(0);

	this.events = this.xmlDoc.getElementsByTagName('event');

	var currentChannel;

	for(idx=0;idx < this.rootNode.childNodes.length; idx++){

		if(this.rootNode.childNodes[idx].nodeType == 1 && this.rootNode.childNodes[idx].nodeName == "event"){

			currentChannel = this.rootNode.childNodes[idx].getElementsByTagName('channelnumber').item(0).firstChild.data;

			this.channelNumberAry[this.channelNumberAry.length] = currentChannel;

			if(typeof this.channelCollection[currentChannel] == "undefined" ){

				/*

				this.addChannel(

					this.rootNode.childNodes[idx].getElementsByTagName('channelname').item(0).firstChild.data,

					this.rootNode.childNodes[idx].getElementsByTagName('channelnumber').item(0).firstChild.data,

					this.rootNode.childNodes[idx].getElementsByTagName('artist').item(0).firstChild.data,

					this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild.data,

					"",

					"",

					"",

					"",

					"yea, for it is a channel"

					)

				*/

			}else{

				//if(!this.channelCollection[currentChannel].channelNumber) this.channelCollection[currentChannel].artist  = this.rootNode.childNodes[idx].getElementsByTagName('channelnumber').item(0).firstChild.data

				this.channelCollection[currentChannel].artist = (this.rootNode.childNodes[idx].getElementsByTagName('artist').item(0).firstChild ) ? this.rootNode.childNodes[idx].getElementsByTagName('artist').item(0).firstChild.data : " ";

//				alert("this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild= " +this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild);

//                alert("  Response processed  !!!");

//                alert("this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild= " +this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild);



				this.channelCollection[currentChannel].songtitle = (this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild) ? this.rootNode.childNodes[idx].getElementsByTagName('songtitle').item(0).firstChild.data : " ";

			}

		}

	}

	

	if(this.currentDisplay == "all"){

		this.displayResults(this.channelCollection);

	}else{

		this.displayResults(this.neighborhoods[this.currentDisplay].channelCollection);

	}

}



XML_obj.prototype.dataNotAvailable = function(msg,statusCode){

	var stopVar = 0;

	this.statusCode = statusCode;

	for(prop in this.channelCollection){

		this.channelCollection[prop].artist = "";

		this.channelCollection[prop].songtitle = msg;

	}

	if(this.currentDisplay == "all"){

		this.displayResults(this.channelCollection);

	}else{

		this.displayResults(this.neighborhoods[this.currentDisplay].channelCollection);

	}

}

 

XML_obj.prototype.updateData = function(dataSet,flashDiv){

	if(flashDiv){

		if(typeof document.getElementById(flashDiv) != "undefined"){

			so.addVariable("defaultKey", dataSet);

			so.write(flashDiv);

		}

	}

	this.xmlDoc = false;

	makeRequest(this.XMLrequestURL,this);

	this.currentDisplay = dataSet;	

}



XML_obj.prototype.parseASCII = function(str){

	if(str.indexOf("&#") > -1){

		newStr = str.replace("&#" + str.substring((str.indexOf("&#") + 2) , str.indexOf(";") ) + ";",String.fromCharCode(str.substring((str.indexOf("&#") + 2) , str.indexOf(";") )),"gi");

		return newStr;

	}else{

		return str;

	}

}

XML_obj.prototype.displayResults = function(collection){

	var str = "";

	var tempRow;

	var tempCell;

	var tempLink;

	var tempData = "";

	var tempTextNode = "";

	var newTable = document.createElement('TABLE');

	newTable.setAttribute("id","channelLineupTable");

	newTable.setAttribute("summary","Music Channels Lineup");

	newTable.setAttribute("class","channels fullWidth");

	newTable.setAttribute("className","channels fullWidth");

	newTable.setAttribute("cellpadding","0");

	newTable.setAttribute("cellPadding","0");

	newTable.setAttribute("cellspacing","0");

	newTable.setAttribute("cellSpacing","0");

	newTable.setAttribute("border","0");

	var tHead = document.createElement('THEAD');

	var headRow = document.createElement('TR');

	headRow.setAttribute("class","th");

	var thCellData = new Array("Neighborhood","Channel Name","What's Hot","Channel Number","Description","What's On Right Now","Show Schedule");

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

		tempCell = document.createElement('TH');

		if(i==0){

			tempCell.setAttribute("class","thFirstCell");

			tempCell.setAttribute("className","thFirstCell");

		}

		if(i==(thCellData.length-1)){

			tempCell.setAttribute("class","thLastCell");

			tempCell.setAttribute("className","thLastCell");

		}

		tempCell.setAttribute("scope","col");

		tempTextNode = document.createTextNode(thCellData[i]);

		if(this.allowSort){

			var switchOrder = function(oldOrder) {

				if (oldOrder == "" || oldOrder == "asc") {

					return "desc";

				}

				return "asc";

			}

		}

		switch(thCellData[i]) {

			

			case "Neighborhood":

				var tempSpan = document.createElement('SPAN');

				if(this.allowSort){

					var newOrder = this.order;

					if (this.sort == "neighborhood")newOrder = switchOrder(this.order);

					var tempSortLink = document.createElement("A");

					var link = this.contextURL+"&sort=neighborhood&order="+newOrder;				

				

					if (this.tier != "") link += "&tier="+this.tier;

				

					//tempSortLink.setAttribute("href", link);

					tempSortLink.setAttribute("href", "");

					tempSortLink.setAttribute("title", "Sort by Neighborhood");

					tempSortLink.appendChild(tempTextNode);

					

					if (this.sort == "neighborhood") {

						if (this.order == "asc") {

							tempCell.setAttribute("class", 'descending thFirstCell');

							tempCell.setAttribute("className", 'descending thFirstCell');

						}else {

							tempCell.setAttribute("class", 'ascending thFirstCell')

							tempCell.setAttribute("className", 'ascending thFirstCell')

						}

					}

					tempSpan.setAttribute("class", 'arrow');

					tempSpan.setAttribute("className", 'arrow');

					tempSpan.appendChild(tempTextNode);

				}else{ 

					tempSpan.appendChild(tempTextNode);

				}

				tempCell.setAttribute("class", 'thFirstCell')

				tempCell.setAttribute("className", 'thFirstCell')



				tempCell.appendChild(tempSpan);

				break;

				

				

			case "Channel Name":

				var tempSpan = document.createElement('SPAN');

				if(this.allowSort){

					var newOrder = this.order

					if (this.sort == "name") {

						newOrder = switchOrder(this.order);

					}

					var tempSortLink = document.createElement("A");

					var link = this.contextURL+"&sort=name&order="+newOrder;

					if (this.tier != "") link += "&tier="+this.tier;

					tempSortLink.setAttribute("href", "/");

					//tempSortLink.setAttribute("href", link);

					tempSortLink.setAttribute("title", "Sort by Name");

					tempSortLink.appendChild(tempTextNode);



					if (this.sort == "name") {

						if (this.order == "asc") {

							tempCell.setAttribute("class", 'descending');

							tempCell.setAttribute("className", 'descending');

						}else {

							tempCell.setAttribute("class", 'ascending');

							tempCell.setAttribute("className", 'ascending');

						}

					}

					tempSpan.setAttribute("class", 'arrow');

					tempSpan.setAttribute("className", 'arrow');

					tempSpan.appendChild(tempTextNode);

				}else{

					tempSpan.appendChild(tempTextNode);

				}

				tempCell.appendChild(tempSpan);

				

				tempCell.setAttribute("nowrap","true");

				tempCell.setAttribute("noWrap","true");			

				

				break;

			

			case "What's Hot":

				var tempSpan = document.createElement('SPAN');

				if(this.allowSort) {

					var newOrder = this.order

					if (this.sort == "editorschoice") {

						newOrder = switchOrder(this.order);

					}

					var tempSortLink = document.createElement("A");

					var link = this.contextURL+"&sort=editorschoice&order="+newOrder;

					if (this.tier != "") 

						link += "&tier="+this.tier;

					//tempSortLink.setAttribute("href", link);

					tempSortLink.setAttribute("href", "/");

					tempSortLink.setAttribute("title", "Sort by What's Hot");

					tempSortLink.setAttribute("class", 'editorsChoice');

					tempSortLink.setAttribute("className", 'editorsChoice');

					tempSortLink.appendChild(tempTextNode);	 

				

					if (this.sort == "editorschoice") {

						if (this.order == "asc") {

							tempCell.setAttribute("class", 'descending editorschoice');

							tempCell.setAttribute("className", 'descending editorschoice');

						}else {

							tempCell.setAttribute("class", 'ascending editorschoice');

							tempCell.setAttribute("className", 'ascending editorschoice');

						}

					}else{

							tempCell.setAttribute("class", 'editorschoice');

							tempCell.setAttribute("className", 'editorschoice');					

					}

					

					tempSpan.setAttribute("class", 'arrow');

					tempSpan.setAttribute("className", 'arrow');

					tempSpan.appendChild(tempTextNode)

				}else{

					tempSpan.appendChild(tempTextNode);	

				}

				if(typeof ttipHover != "undefined"){

					//ttipHover was setup outside of this js file.				

					tempSpan.innerHTML = tempSpan.innerHTML + ttipHover;

				}

				tempCell.appendChild(tempSpan);

				

				break;

				

			

			case "Channel Number":

			//case "tasty goodness":

				tempSpan = document.createElement('SPAN');

				if(this.allowSort) {

					var newOrder = this.order

					if (this.sort == "number") {

						newOrder = switchOrder(this.order);

					}

					var tempSortLink = document.createElement("A");

					var link =this.contextURL+ "&sort=number&order="+newOrder;

					

					if (this.tier != "") link += "&tier="+this.tier;

					//tempSortLink.setAttribute("href", link);

					tempSortLink.setAttribute("href", "/");

					tempSortLink.setAttribute("title", "Sort by Number");

					tempSortLink.appendChild(tempTextNode);

					

					

					if (this.sort == "number") {

						if (this.order == "asc") {

							tempCell.setAttribute("class", 'descending number');

							tempCell.setAttribute("className", 'descending number');

						}else {

							tempCell.setAttribute("class", 'ascending number');

							tempCell.setAttribute("className", 'ascending number');

						}

					}

					tempSpan.setAttribute("class", 'arrow');

					tempSpan.setAttribute("className", 'arrow');

					tempSpan.appendChild(tempTextNode);

				}else{

					tempSpan.appendChild(tempTextNode);

				}

				

				//tempCell.appendChild(tempBr);

				tempCell.appendChild(tempSpan);

				tempCell.setAttribute("nowrap","true");

				tempCell.setAttribute("noWrap","true");		

				

				break;

			default:

				tempCell.appendChild(tempTextNode);

		}

		headRow.appendChild(tempCell);

	}



	tHead.appendChild(headRow);

	newTable.appendChild(tHead);

	var tBody = document.createElement('TBODY');

	var dataRowCount = 0;

	for(channel in collection){

		dataRowCount++;

		tempRow = document.createElement('TR');

		channelPageURL = collection[channel].channelLink;

		nHoodURL = collection[channel].neighborhoodUrl;

		

		// NHood cell cell

		tempCell = document.createElement('TD');

		if(dataRowCount == 1){

			tempCell.setAttribute("class","row1firstCell");

			tempCell.setAttribute("className","row1firstCell");

		}else{

			tempCell.setAttribute("class","firstCell");

			tempCell.setAttribute("className","firstCell");

		}

		tempLink = document.createElement('A');

		tempLink.setAttribute("href",nHoodURL);

		tempTextNode = document.createTextNode(collection[channel].neighborhood);

		tempLink.appendChild(tempTextNode);

		tempCell.appendChild(tempLink);

		tempRow.appendChild(tempCell);

		

		// Channel Name cell

		tempCell = document.createElement('TD');

		tempLink = document.createElement('A');

		tempLink.setAttribute("href",channelPageURL);

		collection[channel].channelName = this.parseASCII(collection[channel].channelName)

		tempTextNode = document.createTextNode(collection[channel].channelName);

		tempLink.appendChild(tempTextNode);

		tempCell.appendChild(tempLink);

		tempRow.appendChild(tempCell);

		

		// Editor's choice cell

		tempCell = document.createElement('TD');

		collection[channel].editorsChoice = this.parseASCII(collection[channel].editorsChoice)

		if(collection[channel].editorsChoice == "true") {

			tempCell.innerHTML = '<span style="visibility:hidden">1</span><img src="/images/onXM/channel_lineup/16thNote.gif" alt="Editors Choice" class="editorsChoice" className="editorsChoice">';

			

		}else{

			tempCell.innerHTML = '<span style="visibility:hidden">2</span><img src="/images/whatIsXM/compare-pricing/spacer.gif" width="55" height="1" />';

		}

		tempRow.appendChild(tempCell);

		

		// Channel Number cell

		tempCell = document.createElement('TD');

		tempLink = document.createElement('A');

		tempLink.setAttribute("href",channelPageURL);

		tempTextNode = document.createTextNode(collection[channel].channelNumber);

		tempLink.appendChild(tempTextNode);

		tempCell.appendChild(tempLink);

		tempRow.appendChild(tempCell);

		

		// Channel Description cell

		tempCell = document.createElement('TD');

		collection[channel].description = this.parseASCII(collection[channel].description)

		tempTextNode = document.createTextNode(collection[channel].description);

		tempCell.appendChild(tempTextNode);

		tempRow.appendChild(tempCell);

		

		// What's On cell (temp)

		tempCell = document.createElement('TD');

		tempData = "";

		if(collection[channel].artist != ""){

			tempData = collection[channel].artist;

		}

		if(collection[channel].songtitle != ""){

			if(collection[channel].artist != "") tempData += " - ";

			tempData += collection[channel].songtitle;

		}

		tempTextNode = document.createTextNode(tempData);

		tempCell.appendChild(tempTextNode);

		tempRow.appendChild(tempCell);

		

		// Schedule Cell

		tempCell = document.createElement('TD');

		if(dataRowCount == 1){

			tempCell.setAttribute("class","row1lastCell");

			tempCell.setAttribute("className","row1lastCell");

		}else{ 

			tempCell.setAttribute("class","lastCell");

			tempCell.setAttribute("className","lastCell");

		}

		if(collection[channel].scheduleURL != ""){

			tempLink = document.createElement('A');

			tempLink.setAttribute("href",collection[channel].scheduleURL);

			//tempData = "View";

			tempTextNode = document.createTextNode("View");

			tempLink.appendChild(tempTextNode);

			tempCell.appendChild(tempLink);

		}else{

			tempData = " ";

			tempTextNode = document.createTextNode(tempData);

			tempCell.appendChild(tempTextNode);

		}

		tempRow.appendChild(tempCell);

		

		tBody.appendChild(tempRow);

		

	}



	var footRow = document.createElement('TR');

	footRow.setAttribute("class","lastRow");

	footRow.setAttribute("className","lastRow");



	tempCell = document.createElement('TD');

	tempCell.setAttribute("class","lastRowFirstCell");

	tempCell.setAttribute("className","lastRowFirstCell");

	tempData = " ";

	tempTextNode = document.createTextNode(tempData);

	tempCell.appendChild(tempTextNode);

	footRow.appendChild(tempCell);

	

	tempCell = document.createElement('TD');

	tempCell.setAttribute("colspan","5");

	tempCell.setAttribute("colSpan","5");

	tempData = " ";

	tempTextNode = document.createTextNode(tempData);

	tempCell.appendChild(tempTextNode);

	footRow.appendChild(tempCell);

	

	tempCell = document.createElement('TD');

	tempCell.setAttribute("class","lastRowLastCell");

	tempCell.setAttribute("className","lastRowLastCell");

	tempData = " ";

	tempTextNode = document.createTextNode(tempData);

	tempCell.appendChild(tempTextNode);

	footRow.appendChild(tempCell);

	

	var tfootRow = document.createElement('TFOOT');

	tfootRow.appendChild(footRow);

	newTable.appendChild(tfootRow);

	

	newTable.appendChild(tBody);

	target = document.getElementById(this.htmlTargetID);

	target.innerHTML = "";

	target.appendChild(newTable);		

	

	// jsa 10/06/09

	if(typeof sortSetup == 'function') {

		sortSetup();

	}	

	

	$$('.ttip').each(function(elm){

		var tip = new ttipH(elm);

		tip.init();

		allToolTips.push(tip);

		

		//get children anchor tages. ie: one may be assigned to question mark.

		elm.getElementsBySelector('a').each( function(anchorElm){

													 

			//now lets make sure to cancel an anchor for the hover element if its href="#"

			Event.observe(anchorElm, 'click', stopHashAnchorClick, false);											

		})

	})

	Event.observe(window, 'resize', onWindowResize);



	

}