function addnewsletter(){
    var emailaddr=$('#newsletteremail').val();
    $.post('ajax/newsletter.php',{actie:'registerpending',email:emailaddr},function(data){$('#newsletterfeedback').html('<span>'+data+'</span>').fadeOut(300).fadeIn(300);});
}

function unregisternewsletter(){
    var emailaddr=$('#unregisternewsletteremail').val();
    $.post('ajax/newsletter.php',{actie:'unregisterenlisted',email:emailaddr},function(data){$('#unregisternewsletterfeedback').html('<span>'+data+'</span>').fadeOut(300).fadeIn(300);});
}

function resendconfirmationmail(){
    var emailaddr=$('#newsletteremail').val();
    $.post('ajax/newsletter.php',{actie:'resendconfirmationmail',email:emailaddr},function(data){$('#newsletterfeedback').html('<span>'+data+'</span>').fadeOut(300).fadeIn(300);});
}

function uploadnewsletter(){
        var filename = $("#newsletterfile").val();
        alert(filename);
        $.ajax({
        type: "POST",
        url: "ajax/newsletter.php",
        enctype: 'multipart/form-data',
        data: {file: filename,actie:'uploadnewsletter'},
        success: function(data){
            $('#newsletteruploadfeedback').html('<span>'+data+'</span>');
        },
        error: function(XMLHttpRequest, textStatus, errorThrown){
            $('#newsletteruploadfeedback').html('<span class="error">Er is een fout opgetreden: '+textStatus+', '+errorThrown+'</span>');
        }
        });     
}

function slideShowAvPec(theurl){

    var fadeout_id = 1;
    var show_id = 1;
    for(var i=1;i<=4;i++){

        $.ajax({type:"GET",url:theurl,data:{action:"print_avpec_header",fotonr:i},async:false,success:function(html) {

            // check the current z-indexes
            if ($("#headerfoto"+i).find("#"+i+"_logo1").css("z-index") > $("#headerfoto"+i).find("#"+i+"_logo2").css("z-index"))
                show_id = 2;
            else
                fadeout_id = 2;

            // show new photo beneath current photo
            $("#headerfoto"+i).find("#"+i+"_logo"+show_id).show();
            // fade out current photo
            $("#headerfoto"+i).find("#"+i+"_logo"+fadeout_id).fadeOut(2000,function() {
                // set new photo for future shows
                $("#headerfoto"+i).find("#"+i+"_logo"+fadeout_id).html(html);
                // exchange the z-indexes
                $("#headerfoto"+i).find("#"+i+"_logo"+fadeout_id).css("z-index",1);
                $("#headerfoto"+i).find("#"+i+"_logo"+show_id).css("z-index",2);
            });
        }});
    }

}

function loadcategorielinks(serverprefix,catid){

    $.ajax({type:"POST",url:serverprefix+"ajax/links.php",data:{id:catid},async:true,success:function(html) {
            $("#linkcontent").html(html);
    }});

}