/*********************
//* jQuery Multi Level CSS Menu #2- By Dynamic Drive: http://www.dynamicdrive.com/
//* Last update: Nov 7th, 08': Limit # of queued animations to minmize animation stuttering
//* Menu avaiable at DD CSS Library: http://www.dynamicdrive.com/style/
*********************/

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

var jqueryslidemenu={

	animateduration:{over:500, out:250}, //duration of slide in/ out animation, in milliseconds
	
	buildmenu:function(menuid, arrowsvar){
		jQuery(document).ready(function($){
			var $mainmenu=$('#'+menuid+'>ul')
			var $headers=$mainmenu.find('ul').parent()
			$headers.each(function(i){
				var $curobj=$(this)
				var $subul=$(this).find('ul:eq(0)')
				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? this._dimensions.h+'px' : 0})
	
	/*  UNCOMMENT TO HAVE ARROWS APPENDED TO THE LINKS */
	/*
				$curobj.children('a:eq(0)').css(this.istopheader? {paddingRight: arrowsvar.down[2]} : {}).append(
					'<img src=''+ (this.istopheader? arrowsvar.down[1] : arrowsvar.right[1])
					+'' class='' + (this.istopheader? arrowsvar.down[0] : arrowsvar.right[0])
					+ '' style='border:0;' />'
				)
	*/
	
				$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>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft
						if ($targetul.queue().length<=1) //if 1 or less queued animations
							$targetul.css({left:menuleft+'px', width:this._dimensions.subulw+'px'}).fadeIn(jqueryslidemenu.animateduration.over)
							//$targetul.prev('a').click(function(){return false;});
							$targetul.prev('a').css({'background':'#828282'})
					},
					function(e){
						var $targetul=$(this).children('ul:eq(0)')
						$targetul.fadeOut(jqueryslidemenu.animateduration.out)
						$targetul.prev().css({'background':'none'})
					}
				) //end hover
			}) //end $headers.each()
			$mainmenu.find('ul').css({display:'none', visibility:'visible'})
		}) //end document.ready
	}
}

//build menu with ID='myslidemenu' on page:
jqueryslidemenu.buildmenu('nav', arrowimages)