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+'">Loading 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 = new Date(itemdate - 7*60*60*1000)
return "<p><i><span style='color:#013696; font-size: 90%'>"+itemdate.toLocaleString()+" CST</span></i></p> <br />"
}


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="<p>"
for (var i=0; i<thefeeds.length; i++){ //loop through entries
var itemtitle="<h3><a href=\"" + thefeeds[i].link + "\">" + thefeeds[i].title + "</a></h3>"
var itemdescription=/description/i.test(this.showoptions)? ""+thefeeds[i].content : /snippet/i.test(this.showoptions)? ""+thefeeds[i].contentSnippet  : ""
var itemdate=/date/i.test(this.showoptions)? this.formatdate(thefeeds[i].publishedDate) : ""

//this section truncates the description
var trulen = 245;

itemdescription = itemdescription.substring(0, trulen);
itemdescription = itemdescription.replace(/\w+$/, '');
itemdescription += '...';
//end truncate

rssoutput+="<a>" + itemtitle + " " + itemdescription + " " + itemdate + "</a>"
}
rssoutput+="</p>"
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")