function addToSelection(_url)
{
    $.ajax({
            type: "GET",
            url: _url,
            dataType:"html",
            success:function(html){
                            $(".comparatorContent").html(html);
                            $(".comparatorContent").css('display', 'block');
            }
    });
}
function removeToSelection(_url)
{
        $.ajax({
                type: "GET",
                url: _url,
                dataType:"html",
                success:function(html){
                                $(".comparatorContent").html(html);
                                $(".comparatorContent").css('display', 'block');
                }
         });
}
var isShown = true;
function showOrHideSelection(isShown){
        var bRet;
        switch(isShown){
        case true:
                $(".comparatorContent").css('display', 'none');
                $(".comparatorBottomButton").css('display', 'none');
                $('.comparatorTop .button').css('background', 'url({{ MEDIA_URL }}images/arrow1.png)');
                bRet = false;
                break;
        case false:
                $(".comparatorContent").css('display', 'block');
                $(".comparatorBottomButton").css('display', 'block');
                $('.comparatorTop .button').css('background', 'url({{ MEDIA_URL }}images/arrow2.png)');
                bRet = true;
                break;
        }
        return bRet;
}