function mozaic() {
    if (isLogin()){
        $("#mozaic").hide();
    }
}

function show_edit_menu(owner_id, item_id) {
    if (!isLogin())
        return;
    if (profile_id != owner_id) {
        return;    }

    $("#edit").load("/picture/menu/"+item_id);
    $("#purchased").hide();
    $("#kakin").show();
}

function switch_pic(size) {
    $("#pic1").hide();
    $("#pic2").hide();
    $("#pic3").hide();
    $("#pic4").hide();
    $("#pic"+size).show();
}

function switchSelector(id) {
    $("#"+id).addClass("ON");
}

function checkInput(edit) {
    var err = 0;
    var title = document.getElementById("error_title");
    var title2 = document.getElementById("error_title2");
    var file = document.getElementById("error_file");
    var ptitle = document.getElementById("diary_title").value;
    var fname = document.form1.image.value;

    if (document.getElementById("diary_title").value == '') {
        title.style.display = 'block';
        title2.style.display = 'none';
        err = err+1;
    }
    else if (ptitle.length > 15) {
        title2.style.display = 'block';
        title.style.display = 'none';
        err = err+1;
    }
    else {
        title.style.display = 'none';
        title2.style.display = 'none';
    }

    if (edit == 0 && !fname.match(/\.(jpg|jpeg)$/i)) {
        file.style.display = 'block';
        err = err+1;
    } else {
        file.style.display = 'none';
    }

    var is_charged = false;
    var radio = document.getElementsByName('charge');
        if (radio[1] && radio[1].checked){
            is_charged = true;
        }

    if(err>0) return false;
    return true;
}   

function add() {
    if(!checkInput()){
        return;
    }
    document.form1.submit();
}