https://www.rsatidewater.org/assets/menu/jqueryslidemenu.js

1/*********************
2//* jQuery Multi Level CSS Menu #2- By Dynamic Drive: http://www.dynamicdrive.com/
3//* Last update: Nov 7th, 08': Limit # of queued animations to minmize animation stuttering
4//* Menu avaiable at DD CSS Library: http://www.dynamicdrive.com/style/
5*********************/
6
7//Update: April 12th, 10: Fixed compat issue with jquery 1.4x
8
9//Specify full URL to down and right arrow images (23 is padding-right to add to top level LIs with drop downs):
10var arrowimages={down:['downarrowclass', '/hsl/images/down.gif', 0], right:['rightarrowclass', '/hsl/images/right.gif']}
11
12var jqueryslidemenu={
13
14animateduration: {over: 100, out: 50}, //duration of slide in/ out animation, in milliseconds
15
16buildmenu:function(menuid, arrowsvar){
17	jQuery(document).ready(function($){
18		var $mainmenu=$("#"+menuid+">ul")
19		var $headers=$mainmenu.find("ul").parent()
20		$headers.each(function(i){
21			var $curobj=$(this)
22			var $subul=$(this).find('ul:eq(0)')
23			this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
24			this.istopheader=$curobj.parents("ul").length==1? true : false
25			//BCA: offsetHeight not consistent across browsers so setting manually
26			//$subul.css({top:this.istopheader? this._dimensions.h+"px" : 0})
27			$curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: arrowsvar.down[2]} : {}).append(
28				/*'<img src="'+ (this.istopheader? arrowsvar.down[1] : arrowsvar.right[1])
29				+'" class="' + (this.istopheader? arrowsvar.down[0] : arrowsvar.right[0])
30				+ '" style="border:0;" />'*/
31				'<span class="menuDDicon">&nbsp;&nbsp;&raquo;&nbsp;</span>'
32			)
33			$curobj.hover(
34				function(e){
35					var $targetul=$(this).children("ul:eq(0)")
36					//this._offsets={left:$(this).offset().left, top:$(this).offset().top}
37					//var menuleft=this.istopheader? 0 : this._dimensions.w
38					//menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft
39					if ($targetul.queue().length<=1) //if 1 or less queued animations
40						//$targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).slideDown(jqueryslidemenu.animateduration.over)
41						$targetul.slideDown(jqueryslidemenu.animateduration.over)
42				},
43				function(e){
44					var $targetul=$(this).children("ul:eq(0)")
45					$targetul.slideUp(jqueryslidemenu.animateduration.out)
46				}
47			) //end hover
48			$curobj.keydown(function(e){	//BCA Add for ADA purposes
49				if(e.keyCode == 13) {
50					var $targetul=$(this).children("ul:eq(0)");
51					if ($targetul.queue().length<=1 && !$targetul.children().is(":visible")) {
52						if (this.istopheader)
53							$mainmenu.find("ul").css({display:'none', visibility:'visible'})
54						$targetul.slideDown(jqueryslidemenu.animateduration.over);
55						e.preventDefault();
56    				return false;
57					} else {
58						$targetul.slideUp(jqueryslidemenu.animateduration.out);
59					}
60				}
61			}) //end keydown
62			$curobj.click(function(){
63				$(this).children("ul:eq(0)").hide()
64			})
65		}) //end $headers.each()
66		$mainmenu.find("ul").css({display:'none', visibility:'visible'})
67	}) //end document.ready
68}
69}