Plugin Alert para Bootstrap e Handlebars.

gistfile1.js

function(){
    var alertTpl = Handlebars.compile($("#alert-tpl").html());
    $.fn.alertIntra = function(message, _class){
        _class = _class || "alert-info";
        var icon_class = "icon-info-sign";

        if(_class == "alert-warning"){
            icon_class = "icon-exclamation-sign";

        }else if(_class == "alert-error"){
            icon_class = "icon-warning-sign";

        }else if(_class == "alert-success"){
            icon_class = "icon-ok-sign";

        }
        var context = {
            message: message,
            _class: _class,
            icon_class: icon_class
        };
        $(this).find('.alert').remove();
        $(this).prepend(alertTpl(context));
    };
}