//** Smooth Navigational Menu- By Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/
//** Menu created: Nov 12, 2008

var ddsmoothmenu=
{
    //Specify full URL to down and right arrow images (23 is padding-right added to top level LIs with drop downs):
    //arrowimages: {down:['downarrowclass', 'down.gif', 40], right:['rightarrowclass', 'right.gif']},

    transition: {overtime:300, outtime:300}, //duration of slide in/ out animation, in milliseconds
    shadow: {enabled:false, offsetx:3, offsety:3},

    ///////Stop configuring beyond here///////////////////////////

    detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit")!=-1, //detect WebKit browsers (Safari, Chrome etc)

    getajaxmenu:function($, setting)
    { 
        //function to fetch external page containing the panel DIVs
        var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu

        $menucontainer.html("Loading Menu...")
        $.ajax({
            url: setting.contentsource[1], //path to external menu file
            async: true,
            error:function(ajaxrequest)
            {
                $menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText)
            },
            success:function(content)
            {
                $menucontainer.html(content)
                ddsmoothmenu.buildmenu($, setting)
            }
         })
    },

    buildmenu:function($, setting)
    {
        var smoothmenu=ddsmoothmenu
        var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu UL
        var $headers=$mainmenu.find("ul").parent()
     
        $headers.each(function(i)
        {
            var $curobj=$(this) //reference current LI header
            var $subul=$(this).find('ul:eq(0)').css({display:'block'})
            
            this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
            this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?
            
            $subul.css({top:this.istopheader? this._dimensions.h+"px" : 0})
            //$curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images
            //    '<img src="'+ (this.istopheader? smoothmenu.arrowimages.down[1] : smoothmenu.arrowimages.right[1])
            //    +'" class="' + (this.istopheader? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0])
            //    + '" style="border:0;" />'
            //)
            
            if (smoothmenu.shadow.enabled)
            {
                this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)} //store this shadow's offsets
                var $parentshadow=(this.istopheader)? $(document.body) : ddsmoothmenu.$parentshadow //reference parent node to insert shadow DIV into
                ddsmoothmenu.$parentshadow=this.$shadow=$('<div class="ddshadow'+(this.istopheader? ' toplevelshadow' : '')+'"></div>').prependTo($parentshadow).css({left:this._shadowoffset.x+'px', top:this._shadowoffset.y+'px'})  //insert shadow DIV and set it to parent node for the next shadow div
            }

            $curobj.hover
            (
                 function(e)
                {
                     var $targetul=$(this).children("ul:eq(0)")
                     this._offsets={left:$(this).offset().left, top:$(this).offset().top}
                     var menuleft=this.istopheader? 0 : this._dimensions.w
                     menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft //calculate this sub menu's offsets from its parent
                     if ($targetul.queue().length<=1){ //if 1 or less queued animations
                         $targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, ddsmoothmenu.transition.overtime)
                         if (smoothmenu.shadow.enabled){
                             var shadowleft=this.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft
                             var shadowtop=this.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : this._shadowoffset.y
                             if (!this.istopheader && ddsmoothmenu.detectwebkit){ //in WebKit browsers, restore shadow's opacity to full
                                 this.$shadow.css({opacity:1})
                             }
                             this.$shadow.css({overflow:'', width:this._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:this._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime)
                         }
                     }
                 },
                 function(e)
                 {
                     var $targetul=$(this).children("ul:eq(0)")
                     $targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime)
                     if (smoothmenu.shadow.enabled){
                         if (ddsmoothmenu.detectwebkit){ //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them
                             this.$shadow.children('div:eq(0)').css({opacity:0})
                         }
                         this.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime)
                     }
                 }
            ) //end hover
        }) //end $headers.each()
        $mainmenu.find("ul").css({display:'none', visibility:'visible'})
    },

    init:function(setting)
    {
         if (typeof setting.customtheme=="object") // && setting.customtheme.length==2)
         {
             var mainmenuid='#'+setting.mainmenuid;

             for (var i=0; i<setting.customtheme.length-1; i++)
             {
                var locationName = "location" + i; 

                 document.write('<style type="text/css">');
                 document.write(    mainmenuid+', '+mainmenuid+' ul li a.'+locationName+' {background:'+setting.customtheme[i]+';}');
                 document.write(    mainmenuid+' ul li a.'+locationName+':hover {background:'+setting.customtheme[i+1]+';}');
                 document.write(    mainmenuid+', '+mainmenuid+' ul ul li a.'+locationName+' {background:'+setting.customtheme[i]+';}');
                 document.write(    mainmenuid+' ul ul li a.'+locationName+':hover {background:'+setting.customtheme[i+1]+';}');

                 document.write('</style>');
             }
         }
         jQuery(document).ready(function($) 
                                {   //override default menu colors (default/hover) with custom set?
                                    if (typeof setting.contentsource=="object")
                                    { //if external ajax menu
                                        ddsmoothmenu.getajaxmenu($, setting)
                                    }
                                    else
                                    { //else if markup menu
                                        ddsmoothmenu.buildmenu($, setting)
                                    }
                                }
                               )
    }
} //end ddsmoothmenu variable

//Initialize Menu instance(s):
ddsmoothmenu.init({
    mainmenuid: "smoothmenu1", //menu DIV id
    customtheme: ["#999", "#666666", "#999", "#666666","#cccccc", "#cccccc"], //override default menu CSS background values? Uncomment: ["normal_background", "hover_background"]
    contentsource: "markup" //"markup" or ["container_id", "path_to_menu_file"]
})