/* Created by jankoatwarpspeed.com */

(function($) {
    $.fn.formToWizard = function(options) {
        options = $.extend({  
            submitButton: ''  
        }, options); 
        
        var element = this;

        var steps = $(element).find("fieldset");
        var count = steps.size();
        var submmitButtonName = "#" + options.submitButton;
        $(submmitButtonName).hide();

        // 2
        $(element).before('<div id="mainNav"><ul id="steps" class="threeStep">');

        steps.each(function(i) {
            $(this).wrap("<div id='step" + i + "'></div>");
            $(this).append("<p id='step" + i + "commands'></p>");

            // 2
            var name = $(this).find("legend").html();
            $("#steps").append("<li id='stepDesc" + i + "'><a title=''><em>Schritt " + (i + 1) + "</em><span>" + name + "</span></a></li>");


            if (i == 0) {
                createNextButton(i);
                selectStep(i);
            }
            else if (i == count - 1) {
                $("#step" + i).hide();
                createPrevButton(i);
		$(element).after('</ul></div><div class="clearfloat">&nbsp;</div>');
            }
            else {
                $("#step" + i).hide();
                createPrevButton(i);
                createNextButton(i);
            }
        });

        function createPrevButton(i) {
            var stepName = "step" + i;
            $("#" + stepName + "commands").append("<a href='#' id='" + stepName + "Prev' class='prev'>< zur&uuml;ck</a>");

            $("#" + stepName + "Prev").bind("click", function(e) {
                if(_errorhandler(i)==true) {
                $("#" + stepName).hide();
                $("#step" + (i - 1)).show();
                $(submmitButtonName).hide();
                selectStep(i - 1);}
            });
        }

        function createNextButton(i) {
            var stepName = "step" + i;
            $("#" + stepName + "commands").append("<a href='#' id='" + stepName + "Next' class='next'>weiter ></a>");

            $("#" + stepName + "Next").bind("click", function(e) {
                if(_errorhandler(i)==true) {

		$("#" + stepName).hide();
                $("#step" + (i + 1)).show();
                if (i + 2 == count) {
                    $(submmitButtonName).show();}
                selectStep(i + 1);}
            });
        }

        function selectStep(i) {
            $("#steps li").removeClass("current");
if(i>0) {            
$("#stepDesc" + (i-1)).removeClass("current");
$("#stepDesc" + (i-1)).addClass("done");}
            $("#stepDesc" + i).removeClass("current");
            $("#stepDesc" + i).removeClass("done");

            $("#stepDesc" + i).addClass("current");
        }

    }
})(jQuery);