// JavaScript Document
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)
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 style='list-style-type: none; margin: 0px; padding: 0px'>"
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  : ""
rssoutput+= "<Div style='border-width: 1px; border-style: solid; border-color:#666666; padding: 4px 4px 4px 4px; margin: 0px 0px 0px 0px; width: 160px;' align='center'>" +  "<li>" + "<Div style='padding: 4px 0px 0px 0px; margin: 4px 0px 0px 0px; float:left; width: 160px;' align='center'>" +  "<span style='font-family: Trebuchet MS; font-size: 14px; font-color:#666666; font-weight: bold; line-height:15px;'>" + itemtitle + "</span>" + "</Div>" + "<Div style='padding: 0px 0px 4px 0px; margin: -12px 0px 0px 0px; float: left; width: 160px;' align='center'>" + "<span style='font-family: Trebuchet MS; font-size: 11px; font-color:#666666;  line-height:15px;'>" +  itemdescription + "</span>" + "</Div>" + "</li>" +  "<br style='clear: both'>" + "</Div>" + "<Div style='height:4px;'></Div>" 
}
rssoutput+="</ul>"
this.feedcontainer.innerHTML=rssoutput
}
else //else, output error
alert("Error fetching feeds: "+result.error.message)
}