https://buddhaspace.org/main/themes/default/menubar.js

1//Chrome Drop Down Menu v2.01- Author: Dynamic Drive (http://www.dynamicdrive.com)
2//Last updated: November 14th 06- added iframe shim technique
3
4var cssdropdown={
5disappeardelay: 550, //set delay in miliseconds before menu disappears onmouseout
6disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
7enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
8enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no
9
10//No need to edit beyond here////////////////////////
11dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,
12
13getposOffset:function(what, offsettype){
14var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
15var parentEl=what.offsetParent;
16while (parentEl!=null){
17totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
18parentEl=parentEl.offsetParent;
19}
20return totaloffset;
21},
22
23swipeeffect:function(){
24if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
25this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
26this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
27}
28else
29return
30this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
31},
32
33showhide:function(obj, e){
34if (this.ie || this.firefox)
35this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
36if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
37if (this.enableswipe==1){
38if (typeof this.swipetimer!="undefined")
39clearTimeout(this.swipetimer)
40obj.clip="rect(0 auto 0 0)" //hide menu via clipping
41this.bottomclip=0
42this.swipeeffect()
43}
44obj.visibility="visible"
45}
46else if (e.type=="click")
47obj.visibility="hidden"
48},
49
50iecompattest:function(){
51return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
52},
53
54clearbrowseredge:function(obj, whichedge){
55var edgeoffset=0
56if (whichedge=="rightedge"){
57var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
58this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
59if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
60edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
61}
62else{
63var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
64var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
65this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
66if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
67edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
68if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
69edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
70}
71}
72return edgeoffset
73},
74
75dropit:function(obj, e, dropmenuID){
76if (this.dropmenuobj!=null) //hide previous menu
77this.dropmenuobj.style.visibility="hidden" //hide menu
78this.clearhidemenu()
79if (this.ie||this.firefox){
80obj.onmouseout=function(){cssdropdown.delayhidemenu()}
81obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?
82this.dropmenuobj=document.getElementById(dropmenuID)
83this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
84this.dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e)}
85this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
86this.showhide(this.dropmenuobj.style, e)
87this.dropmenuobj.x=this.getposOffset(obj, "left")
88this.dropmenuobj.y=this.getposOffset(obj, "top")
89this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
90this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
91this.positionshim() //call iframe shim function
92}
93},
94
95positionshim:function(){ //display iframe shim function
96if (this.enableiframeshim && typeof this.shimobject!="undefined"){
97if (this.dropmenuobj.style.visibility=="visible"){
98this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
99this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"

100this.shimobject.style.left=this.dropmenuobj.style.left
101this.shimobject.style.top=this.dropmenuobj.style.top
102}
103this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
104}
105},
106
107hideshim:function(){
108if (this.enableiframeshim && typeof this.shimobject!="undefined")
109this.shimobject.style.display='none'
110},
111
112contains_firefox:function(a, b) {
113while (b.parentNode)
114if ((b = b.parentNode) == a)
115return true;
116return false;
117},
118
119dynamichide:function(e){
120var evtobj=window.event? window.event : e
121if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
122this.delayhidemenu()
123else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
124this.delayhidemenu()
125},
126
127delayhidemenu:function(){
128this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
129},
130
131clearhidemenu:function(){
132if (this.delayhide!="undefined")
133clearTimeout(this.delayhide)
134},
135
136startchrome:function(){
137for (var ids=0; ids<arguments.length; ids++){
138var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
139for (var i=0; i<menuitems.length; i++){
140if (menuitems[i].getAttribute("rel")){
141var relvalue=menuitems[i].getAttribute("rel")
142menuitems[i].onmouseover=function(e){
143var event=typeof e!="undefined"? e : window.event
144cssdropdown.dropit(this,event,this.getAttribute("rel"))
145}
146}
147}
148}
149if (window.createPopup && !window.XmlHttpRequest){ //if IE5.5 to IE6, create iframe for iframe shim technique

150document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
151this.shimobject=document.getElementById("iframeshim") //reference iframe object
152}
153}
154
155}