google.load("feeds", "1") //Load Google Ajax Feed API (version 1)

function rssdisplayer(divid, url, feedlimit, showoptions){
this.showoptions=showoptions || "" //get string of options to show ("date" and/or "description")
var feedpointer=new google.feeds.Feed(url) //create new instance of Google Ajax Feed API
feedpointer.setNumEntries(feedlimit) //set number of items to display
document.write('<div id="'+divid+'">Carregant feed...</div>')
this.feedcontainer=document.getElementById(divid)
var displayer=this
feedpointer.load(function(r){displayer.formatoutput(r)}) //call Feed.load() to retrieve and output RSS feed
}


rssdisplayer.prototype.formatdate=function(datestr){
var itemdate=new Date(datestr)
var itemdate_dayname=returnNameDay(itemdate.getDay())
var itemdate_yr=itemdate.getFullYear()
var itemdate_mon=returnNameMonth(itemdate.getMonth())
var itemdate_day=itemdate.getDate()
var output=itemdate_dayname + ", " + itemdate_day + " de " + itemdate_mon + " de " + itemdate_yr //format: yyyy/month/day
return "<span>"+ output+"</span>"
}


rssdisplayer.prototype.formatoutput=function(result){
if (!result.error){ //if RSS feed successfully fetched
var thefeeds=result.feed.entries //get all feed entries as a JSON array
var rssoutput="<ul>"
for (var i=0; i<thefeeds.length; i++){ //loop through entries
var itemtitle="<a href=\"" + thefeeds[i].link + "\">" + thefeeds[i].title + "</a>"
var itemdate=/date/i.test(this.showoptions)? this.formatdate(thefeeds[i].publishedDate) : ""
var itemdescription=""; // /description/i.test(this.showoptions)? "<br />"+ thefeeds[i].content : /snippet/i.test(this.showoptions)? "<br />"+thefeeds[i].contentSnippet  : ""
var temp = document.createElement("div");
temp.innerHTML = thefeeds[i].content;
var imgs = temp.getElementsByTagName("img");
if (imgs.length > 0)
{
    var img = imgs[0];
    img.parentNode.removeChild(img);
    temp.innerHTML = "";
    temp.appendChild(img);
    itemdescription = temp.innerHTML;
}
rssoutput+="<li>" + itemdescription + itemdate + itemtitle + "</li>"
}
rssoutput+="</ul>"
this.feedcontainer.innerHTML=rssoutput
}
else //else, output error
alert("Error fetching feeds: "+result.error.message)
}

//USAGE SYNTAX: new rssdisplayer("divid", "rssurl", numberofitems, "displayoptions")
//new rssdisplayer("adiv", "http://www.cssdrive.com/index.php/news/rss_2.0/", 5, "date, description")