Date en FR avec l'API de Google AJAX Feed

Bonjour,

J'ai un pb de format sur la récupération de différent flux rss, la date est bien récupérée mais dans ce format

Tue Aug 25 2009 07:51:20 GMT+0200 (Central Europe Daylight Time)

Comment afficher une date au format FR en lieu et place du format anglophone

Code utilisé dans l'API de google ajax feed

Code:

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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 "<br><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
		this._signaldownloaderr()
	}else{
		// 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)
	}
}

D'avance merci de votre aide
Cordialement
Yule