function MostRecentComments()
{ 
    if(typeof MostRecentComments._initialized == 'undefined')
    {
        MostRecentComments.prototype.createXHR = function()
        {
            if (typeof XMLHttpRequest != "undefined") 
            {
                return new XMLHttpRequest();
            } else if (window.ActiveXObject) 
                   {
                var aVersions = [ "MSXML2.XMLHttp.6.0", "MSXML2.XMLHttp.3.0"];
                for (var i = 0; i < aVersions.length; i++) 
                {
                    try {
                        var oXHR = new ActiveXObject(aVersions[i]);
                        return oXHR;
                    } catch (oError) {
                    //Do nothing
                    }
                }
            }
            throw new Error("XMLHttp object could not be created.");
        };
        
        MostRecentComments.prototype.load = function(obj)//Function used to make the ajax call
        {           
            oXHR = this.createXHR();
            var myDate = new Date();
            var t = myDate.getTime();
            //oXHR.onreadystatechange = eval(obj + '.loadXML');
            oXHR.open('GET','/wheels/tools/talkback/By+Date+non+alpha?readviewentries&ExpandView&count=5&t=' + t,false);
            oXHR.send(null);      
			this.loadXML(oXHR.responseXML);
        };
        
        MostRecentComments.prototype.loadXML = function(oXML)//Function used to make the ajax call
        {
                var entries = oXML.getElementsByTagName('viewentry');
                if(!entries)return;
                
                this.comments = new Array();
                for(var i = 0; i < entries.length; i++)
                {
                    
                    var cDate = entries[i].getElementsByTagName('datetime')[0].firstChild.nodeValue;
                    var texts = entries[i].getElementsByTagName('text');
                    var cAuthor = "site user";
                    if(texts[0].firstChild)cAuthor = texts[0].firstChild.nodeValue;
                    if(texts[1].firstChild)var cArticle = texts[1].firstChild.nodeValue;
                    if(texts[2].firstChild)var cBody = texts[2].firstChild.nodeValue;
                    
                    if(cArticle && cBody)
                    {
                        if(!cDate)cDate = new Date();
                       // this.comments.push('str');
                        this.comments.push(new RecentComment(cDate,cAuthor,cArticle,cBody));
                        //alert(this.comments[this.comments.length - 1].getStr());
                    }
                }
            

        };
		
		MostRecentComments.prototype.attach = function(oP)
		{
				if(!this.comments || this.comments.length == 0)return;
				
				oP.className = 'comments';
				
				for(var i=0; i < this.comments.length; i++)
				{
					this.comments[i].attach(oP);
				}
		};
		
		MostRecentComments.prototype.loaded = function()
		{
			if(!this.comments || !(this.comments instanceof Array) || this.comments.length == 0)return false;
			return true;
		};
    }
    MostRecentComments._initialized = true;
    
}

function RecentComment(rcDate,rcAuthor,rcArticle,rcBody)
{
    
    if(typeof RecentComment._initialized == 'undefined')
    {
        RecentComment.prototype.load = function(rcDate,rcAuthor,rcArticle,rcBody)
        {
            this.rcDate = rcDate;
            this.rcAuthor = rcAuthor;
            this.rcArticle = rcArticle;
            this.rcTitle = this.extractTitle(rcArticle);
            this.rcArticleID = this.extractArticleID(rcArticle);
            this.rcBody = rcBody;  
        };
        
        RecentComment.prototype.extractTitle = function(str)
        {
            var end = str.indexOf('(');
            return str.substring(0,end);
        };
        
        RecentComment.prototype.extractArticleID = function(str)
        {
            var start = str.indexOf('(') + 1;
            var end = str.indexOf(')');
            return str.substring(start,end);
        };
		
		RecentComment.prototype.attach = function(oP)
		{
				var oSpan = document.createElement('span');
				oSpan.appendChild(document.createTextNode('Posted by ' + this.rcAuthor));
				oP.appendChild(oSpan);
				
				oP.appendChild(document.createTextNode(this.rcBody));
				
				var oAnchor = document.createElement('a');
				oAnchor.setAttribute('href','/wheels/site/articleIDs/' + this.rcArticleID + '?open&template=domWheels');
				oAnchor.appendChild(document.createTextNode(this.rcTitle));
				oP.appendChild(oAnchor);
		};
        
        RecentComment.prototype.getStr = function()
        {
            var str = '--------START---------';
            str += '\n' + this.rcDate;
            str += '\n' + this.rcAuthor;
            str += '\n' + this.rcArticle;
            str += '\n' + this.rcTitle;
            str += '\n' + this.rcArticleID;
            str += '\n' + this.rcBody;
            return str;
        };
        
        RecentComment.prototype.loadDate = function(rcDate)
        {
            this.rcDate = rcDate;
        };
    }
    RecentComment._initialized = true;
    this.load(rcDate,rcAuthor,rcArticle,rcBody);
    
}