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+'"></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)

return "<span style='color:gray; font-size: 90%'>"+itemdate.toLocaleString()+"</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 class='postList'>"

for (var i=0; i<thefeeds.length; i++){ //loop through entries

var itemtitle="<a href=\"" + thefeeds[i].link + "\"><strong>" + thefeeds[i].title.replace(/:/,":</strong>").substr(0,70) + "</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  : ""

rssoutput+="<li>" + itemtitle + " " + itemdate + itemdescription + "</li>"

}

rssoutput+="</ul>"

this.feedcontainer.innerHTML=rssoutput

}

else //else, output error

rssoutput="Dieser Feed kann aktuell nicht geladen werden."

this.feedcontainer.innerHTML=rssoutput

}



//USAGE SYNTAX: new rssdisplayer("divid", "rssurl", numberofitems, "displayoptions")

//new rssdisplayer("adiv", "http://www.cssdrive.com/index.php/news/rss_2.0/", 5, "date, description")