Chrome Drop Down Menu
Jeg bruger overstående menu, problemet er at i menuen fremkommer et billede down_white.gif til højre for menuen, i scriptet må det være "dropdownindicator" der snakkes om hvad jeg kan snuse frem til og den der skal fjernes, men jeg har aldrig nogen sinde rodet med javascripts og kommer nok heller ikke til det, så jeg har brug for en som kan ændre koden så denne "dropdownindicator" ikke fremkommer mere og at scriptet stadig lever op til w3c standarden.Her er koden: crome.js
//** Chrome Drop Down Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)
var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
dropdownindicator: '<img src="http://www.clandisa.dk/css/styleswitch/down_white.gif" border="0" />', //specify full HTML to add to end of each menu item with a drop down menu
enablereveal: [true, 5], //enable swipe effect? [true/false, steps (Number of animation steps. Integer between 1-20. Smaller=faster)]
enableiframeshim: 1, //enable "iframe shim" in IE5.5 to IE7? (1=yes, 0=no)
//No need to edit beyond here////////////////////////
dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, revealtimers: {},
getposOffset:function(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
},
css:function(el, targetclass, action){
var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
if (action=="check")
return needle.test(el.className)
else if (action=="remove")
el.className=el.className.replace(needle, "")
else if (action=="add" && !needle.test(el.className))
el.className+=" "+targetclass
},
showmenu:function(dropmenu, e){
if (this.enablereveal[0]){
if (!dropmenu._trueheight || dropmenu._trueheight<10)
dropmenu._trueheight=dropmenu.offsetHeight
clearTimeout(this.revealtimers[dropmenu.id])
dropmenu.style.height=dropmenu._curheight=0
dropmenu.style.overflow="hidden"
dropmenu.style.visibility="visible"
this.revealtimers[dropmenu.id]=setInterval(function(){cssdropdown.revealmenu(dropmenu)}, 10)
}
else{
dropmenu.style.visibility="visible"
}
this.css(this.asscmenuitem, "selected", "add")
},
revealmenu:function(dropmenu, dir){
var curH=dropmenu._curheight, maxH=dropmenu._trueheight, steps=this.enablereveal[1]
if (curH<maxH){
var newH=Math.min(curH, maxH)
dropmenu.style.height=newH+"px"
dropmenu._curheight= newH + Math.round((maxH-newH)/steps) + 1
}
else{ //if done revealing menu
dropmenu.style.height="auto"
dropmenu.style.overflow="hidden"
clearInterval(this.revealtimers[dropmenu.id])
}
},
clearbrowseredge:function(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=document.all && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
var dropmenuW=this.dropmenuobj.offsetWidth
if (windowedge-this.dropmenuobj.x < dropmenuW) //move menu to the left?
edgeoffset=dropmenuW-obj.offsetWidth
}
else{
var topedge=document.all && !window.opera? this.standardbody.scrollTop : window.pageYOffset
var windowedge=document.all && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
var dropmenuH=this.dropmenuobj._trueheight
if (windowedge-this.dropmenuobj.y < dropmenuH){ //move up?
edgeoffset=dropmenuH+obj.offsetHeight
if ((this.dropmenuobj.y-topedge)<dropmenuH) //up no good either?
edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
},
dropit:function(obj, e, dropmenuID){
if (this.dropmenuobj!=null) //hide previous menu
this.hidemenu() //hide menu
this.clearhidemenu()
this.dropmenuobj=document.getElementById(dropmenuID) //reference drop down menu
this.asscmenuitem=obj //reference associated menu item
this.showmenu(this.dropmenuobj, e)
this.dropmenuobj.x=this.getposOffset(obj, "left")
this.dropmenuobj.y=this.getposOffset(obj, "top")
this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
this.positionshim() //call iframe shim function
},
positionshim:function(){ //display iframe shim function
if (this.iframeshimadded){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj._trueheight+"px"
this.shimobject.style.left=parseInt(this.dropmenuobj.style.left)+"px"
this.shimobject.style.top=parseInt(this.dropmenuobj.style.top)+"px"
this.shimobject.style.display="block"
}
}
},
hideshim:function(){
if (this.iframeshimadded)
this.shimobject.style.display='none'
},
isContained:function(m, e){
var e=window.event || e
var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
if (c==m)
return true
else
return false
},
dynamichide:function(m, e){
if (!this.isContained(m, e)){
this.delayhidemenu()
}
},
delayhidemenu:function(){
this.delayhide=setTimeout("cssdropdown.hidemenu()", this.disappeardelay) //hide menu
},
hidemenu:function(){
this.css(this.asscmenuitem, "selected", "remove")
this.dropmenuobj.style.visibility='hidden'
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-1000px"
this.hideshim()
},
clearhidemenu:function(){
if (this.delayhide!="undefined")
clearTimeout(this.delayhide)
},
addEvent:function(target, functionref, tasktype){
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false);
else if (target.attachEvent)
target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},
startchrome:function(){
if (!this.domsupport)
return
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
for (var ids=0; ids<arguments.length; ids++){
var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
for (var i=0; i<menuitems.length; i++){
if (menuitems[i].getAttribute("rel")){
var relvalue=menuitems[i].getAttribute("rel")
var asscdropdownmenu=document.getElementById(relvalue)
this.addEvent(asscdropdownmenu, function(){cssdropdown.clearhidemenu()}, "mouseover")
this.addEvent(asscdropdownmenu, function(e){cssdropdown.dynamichide(this, e)}, "mouseout")
this.addEvent(asscdropdownmenu, function(){cssdropdown.delayhidemenu()}, "click")
try{
menuitems[i].innerHTML=menuitems[i].innerHTML+" "+this.dropdownindicator
}catch(e){}
this.addEvent(menuitems[i], function(e){ //show drop down menu when main menu items are mouse over-ed
if (!cssdropdown.isContained(this, e)){
var evtobj=window.event || e
cssdropdown.dropit(this, evtobj, this.getAttribute("rel"))
}
}, "mouseover")
this.addEvent(menuitems[i], function(e){cssdropdown.dynamichide(this, e)}, "mouseout") //hide drop down menu when main menu items are mouse out
this.addEvent(menuitems[i], function(){cssdropdown.delayhidemenu()}, "click") //hide drop down menu when main menu items are clicked on
}
} //end inner for
} //end outer for
if (this.enableiframeshim && document.all && !window.XDomainRequest && !this.iframeshimadded){ //enable iframe shim in IE5.5 thru IE7?
document.write('<IFRAME id="iframeshim" src="about:blank" frameBorder="0" scrolling="no" style="left:0; top:0; position:absolute; display:none;z-index:90; background: transparent;"></IFRAME>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
this.shimobject.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
this.iframeshimadded=true
}
} //end startchrome
}
