$(function(){
    // hide all more info div's onload
    $("span.more-info-news").hide();
 
    // zet "trigger" op beeldjes met class "showmoreinfo"
    $("span.show-more-info-news").click(
        function() {
            var span_id = this.id;
            var values  = span_id.split("_");
            var info_id = values[1];
 
            if ( $("span#more-info-news_"+info_id).is(':visible') ) {
                $("span#more-info-news_"+info_id).hide();  // show specific div that matches image
                $("span#"+span_id).text('More info');
            }
            else {
                $("span#more-info-news_"+info_id).show();  // show specific div that matches image
                $("span#"+span_id).text('Less info');
            }
        }
    );
 });