//$Id: rss_parser.as,v 1.1 2003/05/18 16:30:12 filti Exp $

// declaring variables
var channelTag = "channel";
var titleTag = "title";
var itemTag = "item";

function getElementsByTagName(xmlDoc, tagname, xmlObjArray){
    var Nodes = null;
    if(xmlObjArray == null){
        Nodes = new Array();
    }else{
        Nodes = xmlObjArray;
    }

    if(xmlDoc.hasChildNodes()){
        for(var i=0; i < xmlDoc.childNodes.length; i++){
            if( (xmlDoc.childNodes[i].nodeType == 1) &&
                (xmlDoc.childNodes[i].nodeName == tagname)){
                Nodes.push(xmlDoc.childNodes[i]);
            }
            getElementsByTagName(xmlDoc.childNodes[i], tagname, Nodes);
        }
    }
    return Nodes;
}


function myLoadHandler(success){

    if(success && document.status == 0){
        // retrieving the channel element, get the content of the title
        // tag and setting the textfield named "channeltitle" in our Movie
        var channel = getElementsByTagName(document, channelTag, null)[0]
        _level0.channeltitle = getTitleText(getFirstTitleElement(channel));

        // retrieving all items from the rss file
        var itemsArr = getElementsByTagname(document, itemTag, null);

        // this the y-position for the first entry generated from items
        var yPos = 20;

        //iterating over the array
        for(var i=0; i < itemsArr.length; i++){
            //place an instance of the symbol on the stage
            //Note: the third argument (depth) means the z level
            // in which the new movie is placed
            _root.attachMovie("itemtemplate", "clip" + i, i+10);

            with(eval("clip" + i)) {
                //setting the textfield of the new movie
                textfield = getTitleText(getFirstTitleElement(itemsArr[i]));
                // place the movie
                _y = yPos;
                //set the position for the next instance of the symbol
                yPos += _height;
            }
        }
     }else{
        _level0.channeltitle = document.loaded + " " + document.status;
     }
}

//returns the node value of the first child of a node
//assumption is: first child is a textnode and has a value
function getTitleText(titleElement){
    return titleElement.firstChild.nodeValue;
}

//returns the first node with tag title of a xml object
function getFirstTitleElement(xmlObjArray){
    return getElementsByTagName(xmlObjArray, titleTag, null)[0];
}

var document = new XML();
document.onload = myLoadHandler;
document.load("https://www.webreference.com/xml/index.rss");