var wnavi={
transition: {overtime:300, outtime:300}, 
shadow: {enable:true, offsetx:5, offsety:5}, 
showhidedelay: {showdelay: 100, hidedelay: 200}, 

detectwebkit: navigator.userAgent.toLowerCase().indexOf('applewebkit')!=-1, 
detectie6: document.all && !window.XMLHttpRequest,

getajaxmenu:function($, setting){ 
	var $menucontainer=$('#'+setting.contentsource[0]) ;
	$menucontainer.html('Loading Menu...');
	$.ajax({
		url: setting.contentsource[1], 
		async: true,
		error:function(ajaxrequest){
			$menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText);
		},
		success:function(content){
			$menucontainer.html(content);
			wnavi.buildmenu($, setting);
		}
	})
},



buildmenu:function($, setting){
	var smoothmenu=wnavi;
	var $mainmenu=$('#'+setting.mainmenuid+'>ul') ;
	$mainmenu.parent().get(0).className=setting.classname || 'wnavi';
	var $headers=$mainmenu.find('ul').parent();
	$headers.hover(
		function(e){
			$(this).children('a:eq(0)').addClass('selected');
		},
		function(e){
			$(this).children('a:eq(0)').removeClass('selected');
		}
	);



	$headers.each(function(i){ 
		var $curobj=$(this).css({zIndex: 300-i}) ;//메뉴 300개까지
		var $subul=$(this).find('ul:eq(0)').css({display:'block'});
		$subul.data('timers', {});
		this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()};
		this.istopheader=$curobj.parents('ul').length==1? true : false ;
		$subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+'px' : 0});
		if (smoothmenu.shadow.enable){
			this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)};
			if (this.istopheader)
				$parentshadow=$(document.body);
			else{
				var $parentLi=$curobj.parents('li:eq(0)');
				$parentshadow=$parentLi.get(0).$shadow;
			};
		}

		$curobj.hover(
			function(e){
				var $targetul=$subul ;
				var header=$curobj.get(0) ;
				clearTimeout($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;
					if ($targetul.queue().length<=1){ 
						$targetul.css({left:menuleft+'px', width:header._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, wnavi.transition.overtime);
						if (smoothmenu.shadow.enable){
							var shadowleft=header.istopheader? $targetul.offset().left+wnavi.shadow.offsetx : menuleft;
							var shadowtop=header.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : header._shadowoffset.y;
							if (!header.istopheader && wnavi.detectwebkit){ 
								header.$shadow.css({opacity:1});
							}
              try{
							header.$shadow.css({overflow:'', width:header._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:header._dimensions.subulh+'px'}, wnavi.transition.overtime);
              }catch(e){}
						}
					}
				}, wnavi.showhidedelay.showdelay);
			},
			function(e){
				var $targetul=$subul;
				var header=$curobj.get(0);
				clearTimeout($targetul.data('timers').showtimer);
				$targetul.data('timers').hidetimer=setTimeout(function(){
					$targetul.animate({height:'hide', opacity:'hide'}, wnavi.transition.outtime);
					if (smoothmenu.shadow.enable){
						if (wnavi.detectwebkit){ 
							header.$shadow.children('div:eq(0)').css({opacity:0});
						}
						try{header.$shadow.css({overflow:'hidden'}).animate({height:0}, wnavi.transition.outtime);}
            catch(e){}
					}
				}, wnavi.showhidedelay.hidedelay);
			}
		);
	});
	$mainmenu.find('ul').css({display:'none', visibility:'visible'});
},

init:function(setting){
	if (typeof setting.customtheme=='object' && setting.customtheme.length==2){ 
		var mainmenuid='#'+setting.mainmenuid;
		var mainselector=(setting.orientation=='v')? mainmenuid : mainmenuid+', '+mainmenuid;
		document.write('<style>\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;
	jQuery(document).ready(function($){ 
		if (typeof setting.contentsource=='object'){ 
			wnavi.getajaxmenu($, setting);
		}
		else{     
			wnavi.buildmenu($, setting);
      
		}
	});
}

};