//** 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

//** Dec 12th, 08" (v1.01): Fixed Shadow issue when multiple LIs within the same UL (level) contain sub menus: http://www.dynamicdrive.com/forums/showthread.php?t=39177&highlight=smooth

//** Feb 11th, 09" (v1.02): The currently active main menu item (LI A) now gets a CSS class of ".selected", including sub menu items.

//** May 1st, 09" (v1.3):
//** 1) Now supports vertical (side bar) menu mode- set "orientation" to 'v'
//** 2) In IE6, shadows are now always disabled

//** July 27th, 09" (v1.31): Fixed bug so shadows can be disabled if desired.
//** Feb 2nd, 10" (v1.4): Adds ability to specify delay before sub menus appear and disappear, respectively. See showhidedelay variable below

//** Dec 17th, 10" (v1.5): Updated menu shadow to use CSS3 box shadows when the browser is FF3.5+, IE9+, Opera9.5+, or Safari3+/Chrome. Only .js file changed.

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:['downarrow', '/assets/scripts/down.gif', 23], right:['rightarrow', '/assets/scripts/right2.gif']},
//arrowimages: null,
//transition: {overtime:300, outtime:300}, //duration of slide in/ out animation, in milliseconds
transition: {overtime:0, outtime:0}, //duration of slide in/ out animation, in milliseconds
//shadow: {enable:true, offsetx:5, offsety:5}, //enable shadow?
shadow: {enable:false, offsetx:5, offsety:5}, //enable shadow?
//showhidedelay: {showdelay: 100, hidedelay: 200}, //set delay in milliseconds before sub menus appear and disappear, respectively
showhidedelay: {showdelay: 0, hidedelay: 0}, //set delay in milliseconds before sub menus appear and disappear, respectively

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

detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit")!=-1, //detect WebKit browsers (Safari, Chrome etc)
detectie6: document.all && !window.XMLHttpRequest,
css3support: window.msPerformance || (!document.all && document.querySelector), //detect browsers that support CSS3 box shadows (ie9+ or FF3.5+, Safari3+, 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
	$mainmenu.parent().get(0).className=setting.classname || "ddsmoothmenu";
	//var $headers=$mainmenu.find("ul").parent();
	var $headers=$mainmenu.find("li");
	$headers.hover(
		function(e){
			$(this).addClass('selected').children('a:eq(0)').addClass('selected');
		},
		function(e){
			$(this).removeClass('selected').children('a:eq(0)').removeClass('selected');
		}
	)
	$headers=$mainmenu.find("ul").parent();
	$headers.each(function(i){ //loop through each LI header
		var $curobj=$(this).css({zIndex: 100-i}); //reference current LI header
		var $subul=$(this).find('ul:eq(0)').css({display:'block'});
		
		$subul.data('timers', {});
		this._dimensions={w:$(this).parent().outerWidth(), h:$(this).outerHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()};
		//this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()};
		this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?;
		$subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+"px" : 0});
		
		$curobj.children("a:eq(0)").append( //add arrow images
			(this.istopheader && setting.orientation!='v'? '' : '<img src="' + smoothmenu.arrowimages.right[1] + '" class="' + smoothmenu.arrowimages.right[0] + '" style="border:0;" />')
		)
		
		$curobj.hover(
			function(e){
				var $targetul=$subul; //reference UL to reveal
				
				var header=$curobj.get(0); //reference header LI as DOM object
				clearTimeout($targetul.data('timers').hidetimer);
				$targetul.data('timers').showtimer=setTimeout(function() {
					header._offsets={left:$curobj.offset().left, top:$curobj.offset().top};
					var menuleft=header.istopheader && setting.orientation!='v'? 0 : header._dimensions.w;
					menuleft=(header._offsets.left+menuleft+header._dimensions.subulw>$(window).width())? (header.istopheader && setting.orientation!='v'? -header._dimensions.subulw+header._dimensions.w : -header._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:header._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, ddsmoothmenu.transition.overtime)
						$targetul.css({left:menuleft+"px", width:header._dimensions.subulw+'px'});
						$targetul.css({visibility:'visible'}).show();
					}
					if(header.istopheader)
					{
						$targetul.css({margin:'3px 0px 0px 0px'});
					}
				}, ddsmoothmenu.showhidedelay.showdelay);
			},
			function(e){
				var $targetul=$subul;
				var header=$curobj.get(0);
				clearTimeout($targetul.data('timers').showtimer);
				$targetul.data('timers').hidetimer=setTimeout(function(){
					$targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime);
					$targetul.hide();
				}, ddsmoothmenu.showhidedelay.hidedelay);
			}
		); //end hover
	}) //end $headers.each()
	$mainmenu.find("ul").css({display:'none', visibility:'hidden'});
},

init:function(setting){
	if (typeof setting.customtheme=="object" && setting.customtheme.length==2){ //override default menu colors (default/hover) with custom set?
		var mainmenuid='#'+setting.mainmenuid;
		var mainselector=(setting.orientation=="v")? mainmenuid : mainmenuid+', '+mainmenuid;
		document.write('<style type="text/css">\n'
			+mainselector+' ul li a {background:'+setting.customtheme[0]+';}\n'
			+mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n'
		+'</style>');
	}
	this.shadow.enable=(document.all && !window.XMLHttpRequest)? false : this.shadow.enable; //in IE6, always disable shadow
	jQuery(document).ready(function($){ //ajax menu?
		if (typeof setting.contentsource=="object"){ //if external ajax menu
			ddsmoothmenu.getajaxmenu($, setting);
		}
		else{ //else if markup menu
			ddsmoothmenu.buildmenu($, setting);
		}
	})
}

} //end ddsmoothmenu variable