var vitesse_defilement = 80;

 function slide_feed(){
 	var varHeight = parseInt(($("#scroll_feed").css('height')).replace('px',''));
 	$("div.feed:eq(0)").animate(
	 	{marginTop: "-"+$("#scroll_feed").css('height')+""}, 
		{
       		duration: varHeight*vitesse_defilement,
       		easing: 'linear',
       		complete: function(){
       			slide_feed();
       		}
       	});
 }
function start(){
    $('#loading-ajax').html('<img alt="Content Loading" src="./images/ajax-loader.gif" />');
}
function finish(){
	$('#loading-ajax').remove();
	slide_feed();
}

$(function(){
     $('#scroll_feed').jParse({
        ajaxOpts: {url: './includes/feed-rss-get-xml.php'},
        elementTag: ['title', 'link', "'dc:creator'"],
        output: ' <div class="feed"><div class="feed-donneur_ordre">jpet02</div><div class="feed-titre"><a href="jpet01" target="_blank">jpet00</a></div><div class="feed-link"><a href="jpet01" target="_blank">Lire la suite...</a></div></div>',
        precallback: start,
		callback: finish
    });
});