/*jQuery MegaMenu Plugin
 Author: Devadatta Sahoo
 Author URI: http://www.geektantra.com */
var isIE6 = navigator.userAgent.toLowerCase().indexOf('msie 6') != -1;
(function($){
    $.fn.extend({
        isChildOf: function(filter_string){
            var parents = $(this).parents().get();
            for (j = 0; j < parents.length; j++) {
                if ($(parents[j]).is(filter_string)) 
                    return true;
            }
            return false;
        }
    });
    
    $.fn.megamenu = function(ContentClass, Options){
        var MenuClass = $(this).attr("class").split(" ")[0];
        var ParentNodeNumber = 0;
        Options = jQuery.extend({
            width: "auto",
            justify: "left"
        }, Options);
        $(ContentClass).after('  <div id="MegaMenuContentShadow" style="display: none;"></div><div id="MegaMenuContent" style="display: none;"></div>');
        $(this).hover(function(){
            var MenuContent = $(this).next(ContentClass).html();
            ParentNodeNumber = $('.' + MenuClass).index(this);
            MegaMenuMouseOver(ParentNodeNumber, MenuContent, "click", MenuClass, ContentClass, Options);
            //setTimeout('MegaMenuMouseOver('+ParentNodeNumber+',"'+escape(MenuContent)+'","hover",\''+MenuClass+'\',\''+ContentClass+'\',\''+Options+'\')', 300);
        },function(){
            MegaMenuMouseOut(ParentNodeNumber, MenuClass, ContentClass);
        });
        $(this).click(function(){
            var MenuContent = $(this).next('.MegaMenuContent').html();
            ParentNodeNumber = $('.' + MenuClass).index(this);
            MegaMenuMouseOver(ParentNodeNumber, MenuContent, "click", MenuClass, ContentClass, Options);
        });
        $(document).bind('click', function(e){
            var $clicked = $(e.target);
            if ($clicked.isChildOf('#MegaMenuContent') || $clicked.is('#MegaMenuContent') || $clicked.is('.' + MenuClass)) {
            }
            else 
                MegaMenuMouseOut(ParentNodeNumber, MenuClass, ContentClass);
        });
    };

    function MegaMenuMouseOver(ParentNodeNumber, MenuContent, state, MenuLinkClass, MenuContentClass, Options){
        var MenuLinkClass = (typeof(MenuLinkClass) == 'undefined') ? ".MegaMenuLink" : MenuLinkClass;
        var MenuContentClass = (typeof(MenuContentClass) == 'undefined') ? ".MegaMenuContent" : MenuContentClass;
        
        //var Options = eval('(' + Options + ')');
        if (state == "hover") 
            $('.' + MenuLinkClass).removeClass(MenuLinkClass + 'Active');
        $('.' + MenuLinkClass).eq(ParentNodeNumber).addClass(MenuLinkClass + 'Active');
        
        var selfNode = new Array();
        selfNode['width'] = $('.' + MenuLinkClass).eq(ParentNodeNumber).width();
        selfNode['padding-left'] = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css('padding-left').replace(/px/g, ''));
        selfNode['padding-right'] = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css('padding-right').replace(/px/g, ''));
        selfNode['border-left-width'] = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css('border-left-width').replace(/px/g, ''));
        selfNode['border-right-width'] = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css('border-right-width').replace(/px/g, ''));
        if (isIE6) 
            selfNode['width'] = selfNode['width'] + 10;
        
        if (Options['justify'] == "left") {
            var LeftPos = $('.' + MenuLinkClass).eq(ParentNodeNumber).parent().position().left;
            if (Options['width'] == 'auto') 
                LeftPos = $('.' + MenuLinkClass).eq(ParentNodeNumber).position().left - 10;
        }
        else {
            var RightPos = $('.' + MenuLinkClass).eq(ParentNodeNumber).parent().position().left;
            if (Options['width'] == 'auto') 
                RightPos = $(document).width() - 10 - $('.' + MenuLinkClass).eq(ParentNodeNumber).position().left - selfNode['width'] - selfNode['padding-left'] - selfNode['padding-right'] - selfNode['border-left-width'] - selfNode['border-right-width'];
        }
        
//        var TopPos = $('.' + MenuLinkClass).eq(ParentNodeNumber).height() + $('.' + MenuLinkClass).eq(ParentNodeNumber).position().top + parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("padding-top").replace(/px/g, '')) + parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("padding-bottom").replace(/px/g, '')) + parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("border-top-width").replace(/px/g, ''));
        
        var TopPos_A = $('.' + MenuLinkClass).eq(ParentNodeNumber).height(); 
        var TopPos_B = $('.' + MenuLinkClass).eq(ParentNodeNumber).position().top;
        var TopPos_C = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("padding-top").replace(/px/g, ''));
        var TopPos_D = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("padding-bottom").replace(/px/g, ''));
        var TopPos_E = parseInt($('.' + MenuLinkClass).eq(ParentNodeNumber).css("border-top-width").replace(/px/g, ''));
        var TopPos =  (isNaN(TopPos_A)?0:TopPos_A) + 
                      (isNaN(TopPos_B)?0:TopPos_B) + 
                      (isNaN(TopPos_C)?0:TopPos_C) +
                      (isNaN(TopPos_D)?0:TopPos_D) + 
                      (isNaN(TopPos_E)?0:TopPos_E);
        
        MenuContent = unescape(MenuContent);
        
        if (LeftPos || LeftPos === 0) {
            $("#MegaMenuContent").css('left', LeftPos + 'px');
            $("#MegaMenuContentShadow").css('left', (LeftPos) + 'px');
        }
        else {
            $("#MegaMenuContent").css('right', RightPos + 'px');
            $("#MegaMenuContentShadow").css('right', (RightPos - 4) + 'px');
        }
        $("#MegaMenuContent").css('top', TopPos + 'px');
        $("#MegaMenuContentShadow").css('top', TopPos + 'px');
        if (Options['width']) {
            $("#MegaMenuContent").css('width', Options['width']);
            $("#MegaMenuContentShadow").css('width', Options['width']);
        }
        $("#MegaMenuContent").html('' + MenuContent);
        $("#MegaMenuContent").slideDown("fast");
        $("#MegaMenuContentShadow").html('' + MenuContent);
        $("#MegaMenuContentShadow").slideDown("fast");
        
        if($.fn._hover){
          $("#MegaMenuContent,#MegaMenuContentShadow")._hover(function(){
              MenuContentHoverIn(MenuLinkClass, ParentNodeNumber);
          }, function(){
              MenuContentHoverOut(MenuLinkClass, ParentNodeNumber);
          });
        } else {
          $("#MegaMenuContent,#MegaMenuContentShadow").hover(function(){
              MenuContentHoverIn(MenuLinkClass, ParentNodeNumber);
          }, function(){
              MenuContentHoverOut(MenuLinkClass, ParentNodeNumber);
          });
        }
    }

    function MenuContentHoverIn(MenuLinkClass, ParentNodeNumber) {
      $('#MegaMenuContent').show();
      $('#MegaMenuContentShadow').show();
      $('.' + MenuLinkClass).removeClass(MenuLinkClass + 'Active');
      $('.' + MenuLinkClass).eq(ParentNodeNumber).addClass(MenuLinkClass + 'Active');
    }

    function MenuContentHoverOut(MenuLinkClass, ParentNodeNumber) {
      $("#MegaMenuContentShadow").hide()
      $("#MegaMenuContent").hide()
      $('.' + MenuLinkClass).removeClass(MenuLinkClass + 'Active');
    }

    function MegaMenuMouseOut(ParentNodeNumber, MenuLinkClass, MenuContentClass){
        $('#MegaMenuContent').hide();
        $('#MegaMenuContentShadow').hide();
        var MenuLinkClass = (typeof(MenuLinkClass) == 'undefined') ? ".MegaMenuLink" : MenuLinkClass;
        $('.' + MenuLinkClass).eq(ParentNodeNumber).removeClass(MenuLinkClass + 'Active');
    }

})(jQuery);