// -------------------------------------------------------------------
// gAjax RSS Feeds Displayer- By Dynamic Drive, available at: http://www.dynamicdrive.com
// Created: July 17th, 2007 Updated: n/a
// -------------------------------------------------------------------

var gfeedfetcher_loading_image="indicator.gif" //Full URL to "loading" image. No need to config after this line!!

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

function gfeedfetcher(divid, divClass, linktarget){
	this.linktarget=linktarget || "" //link target of RSS entries
	this.feedlabels=[] //array holding lables for each RSS feed
	this.feedurls=[]
	this.feeds=[] //array holding combined RSS feeds' entries from Feed API (result.feed.entries)
	this.feedsfetched=0 //number of feeds fetched
	this.feedlimit=5
	this.showoptions="" //Optional components of RSS entry to show (none by default)
	this.sortstring="date" //sort by "date" by default
	document.write('<div id="'+divid+'" class="'+divClass+'"></div>') //output div to contain RSS entries
	this.feedcontainer=document.getElementById(divid)
	this.itemcontainer="<li>" //default element wrapping around each RSS entry item
}

gfeedfetcher.prototype.addFeed=function(label, url){
	this.feedlabels[this.feedlabels.length]=label
	this.feedurls[this.feedurls.length]=url
}

gfeedfetcher.prototype.filterfeed=function(feedlimit, sortstr){
	this.feedlimit=feedlimit
	if (typeof sortstr!="undefined")
	this.sortstring=sortstr
}

gfeedfetcher.prototype.displayoptions=function(parts){
	this.showoptions=parts //set RSS entry options to show ("date, datetime, time, snippet, label, description")
}

gfeedfetcher.prototype.setentrycontainer=function(containerstr){  //set element that should wrap around each RSS entry item
this.itemcontainer="<"+containerstr.toLowerCase()+">"
}

gfeedfetcher.prototype.init=function(){
	this.feedsfetched=0 //reset number of feeds fetched to 0 (in case init() is called more than once)
	this.feeds=[] //reset feeds[] array to empty (in case init() is called more than once)
	this.feedcontainer.innerHTML='<img src="'+gfeedfetcher_loading_image+'" /> Retrieving RSS feed(s)'
	var displayer=this
	for (var i=0; i<this.feedurls.length; i++){ //loop through the specified RSS feeds' URLs
		var feedpointer=new google.feeds.Feed(this.feedurls[i]) //create new instance of Google Ajax Feed API
		var items_to_show=(this.feedlimit<=this.feedurls.length)? 1 : Math.floor(this.feedlimit/this.feedurls.length) //Calculate # of entries to show for each RSS feed
		if (this.feedlimit%this.feedurls.length>0 && this.feedlimit>this.feedurls.length && i==this.feedurls.length-1) //If this is the last RSS feed, and feedlimit/feedurls.length yields a remainder
			items_to_show+=(this.feedlimit%this.feedurls.length) //Add that remainder to the number of entries to show for last RSS feed
		feedpointer.setNumEntries(items_to_show) //set number of items to display
		feedpointer.load(function(r){displayer._fetch_data_as_array(r)}) //call Feed.load() to retrieve and output RSS feed
	}
}


gfeedfetcher._formatdate=function(datestr, showoptions){
	var itemdate=new Date(datestr)
	var parseddate=(showoptions.indexOf("datetime")!=-1)? itemdate.toLocaleString() : (showoptions.indexOf("date")!=-1)? itemdate.toLocaleDateString() : (showoptions.indexOf("time")!=-1)? itemdate.toLocaleTimeString() : ""
	return "<span class='datefield'>"+parseddate+"</span>"
}

gfeedfetcher._sortarray=function(arr, sortstr){
	var sortstr=(sortstr=="label")? "ddlabel" : sortstr //change "label" string (if entered) to "ddlabel" instead, for internal use
	if (sortstr=="title" || sortstr=="ddlabel"){ //sort array by "title" or "ddlabel" property of RSS feed entries[]
		arr.sort(function(a,b){
		var fielda=a[sortstr].toLowerCase()
		var fieldb=b[sortstr].toLowerCase()
		return (fielda<fieldb)? -1 : (fielda>fieldb)? 1 : 0
		})
	}
	else{ //else, sort by "publishedDate" property (using error handling, as "publishedDate" may not be a valid date str if an error has occured while getting feed
		try{
			arr.sort(function(a,b){return new Date(b.publishedDate)-new Date(a.publishedDate)})
		}
		catch(err){}
	}
}

gfeedfetcher.prototype._fetch_data_as_array=function(result){
	var thisfeed=(!result.error)? result.feed.entries : "" //get all feed entries as a JSON array or "" if failed
	if (thisfeed=="") //if error has occured fetching feed
		alert("Google Feed API Error: "+result.error.message)
	for (var i=0; i<thisfeed.length; i++) //For each entry within feed
		result.feed.entries[i].ddlabel=this.feedlabels[this.feedsfetched] //extend it with a "ddlabel" property
	this.feeds=this.feeds.concat(thisfeed) //add entry to array holding all feed entries
	this._signaldownloadcomplete() //signal the retrieval of this feed as complete (and move on to next one if defined)
}

gfeedfetcher.prototype._signaldownloadcomplete=function(){
	this.feedsfetched+=1
	if (this.feedsfetched==this.feedurls.length) //if all feeds fetched
		this._displayresult(this.feeds) //display results
}


gfeedfetcher.prototype._displayresult=function(feeds){
	var rssoutput=(this.itemcontainer=="<li>")? "<ul>\n" : ""
	gfeedfetcher._sortarray(feeds, this.sortstring)
	for (var i=0; i<feeds.length; i++){
		var itemtitle="<a href=\"" + feeds[i].link + "\" target=\"" + this.linktarget + "\" class=\"titlefield\">" + feeds[i].title + "</a>"
		var itemlabel=/label/i.test(this.showoptions)? '<span class="labelfield">['+this.feeds[i].ddlabel+']</span>' : " "
		var itemdate=gfeedfetcher._formatdate(feeds[i].publishedDate, this.showoptions)
		var itemdescription=/description/i.test(this.showoptions)? "<br />"+feeds[i].content : /snippet/i.test(this.showoptions)? "<br />"+feeds[i].contentSnippet  : ""
		rssoutput+=this.itemcontainer + itemtitle + " " + itemlabel + " " + itemdate + "\n" + itemdescription + this.itemcontainer.replace("<", "</") + "\n\n"
	}
	rssoutput+=(this.itemcontainer=="<li>")? "</ul>" : ""
	this.feedcontainer.innerHTML=rssoutput
}


function randomQuote(){

var author = "";
var string = "";

var quotes = new Array('When it is dark enough you can see the stars*Charles A. Beard',
'The only limits are, as always, those of vision*James Broughton',
'In three words I can sum up everything I\'ve learned about life: It goes on*Robert Frost',
'To get something done a committee should consist of no more than three people, two of whom are absent*Robert Copeland',
'Success is how high you bounce when you hit the bottom*Gen. George Patton',
'The reputation of a thousand years may be determined by the conduct of one hour*Japanese Proverb',
'Once the game is over, the King and the Pawn go back into the same box*Italian Proverb',
'The manner in which it is given is worth more than the gift*Pierre Corneille',
'If you want to test your memory, try to remember what you were worrying about a year ago today*E. Joseph Cossman',
'Two important things are to have a genuine interest in people and to be kind to them. Kindness, I\'ve discovered, is everything*Isaac Bashevis Singer',
'If you want to truly understand something, try to change it*Kurt Lewis',
'A stumble may prevent a fall*English Proverb',
'Money is better than poverty, if only for financial reasons*Woody Allen',
'The more original a discovery, the more obvious it seems afterwards*Arthur Koestler',
'Luck never gives, it only lends*Danish Proverb',
'The books that the world calls immoral are books that show the world its shame*Oscar Wilde',
'It is discouraging to think how many people are shocked by honesty and how few by deceit*Noel Coward',
'The line seperating good and evil passes not through states, nor between political parties - but right through every human heart*Alexander Solzhenitzyn',
'Kindness is what the deaf can hear and the blind can see',
'Our greatest glory consists not in never falling but in rising every time we fall*Oliver Goldsmith',
'Modesty seldom resides in a breast that is not enriched with nobler virtues*Oliver Goldsmith',
'God made night but man made darkness*Spike Milligan',
'A God who let us prove his existance would be an idol*Dietrich Bonhoeffer',
'Every child comes with the message that God is not yet tired of man*Rabindranath Tagore',
'Even God cannot change the past*Agathen',
'If war is ever justified, then peace is sometimes wrong*CS Lewis',
'The only men that will see an end to war are the dead*Plato',
'With all its sham, drudgery and broken dreams, it is still a beautiful world*Max Ehrmann',
'Man is the only creature that consumes without producing*Old Major in \'Animal Farm\'',
'Freedom is the freedom to say that two plus two make four*George Orwell in \'Nineteen eighty-four\'',
'A study of the history of opinion is a necessary preliminary to the emancipation of the mind.*John Maynard Keynes'
);


// r_n stands for random_number
var r_n = Math.floor(Math.random()*quotes.length);
	
	if(quotes[r_n].indexOf('*')==-1)
	{
		for(j=0;j<quotes[r_n].length;j++){			
		string+=quotes[r_n].charAt(j);	
		}

		author="Unknown";
	}
	
	else
	{
		for(i=quotes[r_n].indexOf('*')+1;i<quotes[r_n].length;i++){
		author+=quotes[r_n].charAt(i);
		}

		for(j=0;j<quotes[r_n].indexOf('*');j++){			
		string+=quotes[r_n].charAt(j);
		}
	}

return('"' + string + '\"&nbsp;<br /><i>' + author + '</i>');


}