/*********************
//* 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', 'http://www.dynamicdrive.com/cssexamples/media/down.gif', 23], 
	right:['rightarrowclass', 'http://www.dynamicdrive.com/cssexamples/media/right.gif']
}

var jqueryslidemenu = {

	animateduration: {
		over: 200,
		out: 50
	}, //duration of slide in/ out animation, in milliseconds

	buildmenu: function (menuid, arrowsvar, showArrows){
		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})
						
						if (showArrows){
							$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'}).slideDown(jqueryslidemenu.animateduration.over);
							},
				
							function(e){
								var $targetul=$(this).children("ul:eq(0)");
					
								$targetul.slideUp(jqueryslidemenu.animateduration.out)
							}
						) //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("myslidemenu", arrowimages)