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cyberdyn
08-31-2008, 03:19 PM
1) Script Title: Chrome CSS Drop Down Menu (v2.4)

2) Script URL (on DD): http://www.dynamicdrive.com/dynamicindex1/chrome/index.htm

3) Describe problem:
Hi There!!
I love this script -- it works great.
I replaced the top navigation with images and once I did that the parent images (the top navigation above the dropdowns, which were parent text menu items) appear to have 4 pixels space between the images.
I want to have no space between the images.
I think the issue is related to the "shim"? But I can't figure out how to remove the spacing!!
I think the issue is in the javascript and not the CSS -- because when I remove the javascript it works fine!
Right now the space seems to be 4 pixels but everything I try on the code results in no changes!!
Any help would be appreciated!
Help Ben Kenobi, you're my only hope!! : )
-T

cyberdyn
09-01-2008, 01:25 PM
This is the code that I have for the javascript -- I've modiified it from the original code.


//** Chrome Drop Down Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)

//** Updated: July 14th 06' to v2.0
//1) Ability to "left", "center", or "right" align the menu items easily, just by modifying the CSS property "text-align".
//2) Added an optional "swipe down" transitional effect for revealing the drop down menus.
//3) Support for multiple Chrome menus on the same page.

//** Updated: Nov 14th 06' to v2.01- added iframe shim technique

//** Updated: July 23rd, 08 to v2.4
//1) Main menu items now remain "selected" (CSS class "selected" applied) when user moves mouse into corresponding drop down menu.
//2) Adds ability to specify arbitrary HTML that gets added to the end of each menu item that carries a drop down menu (ie: a down arrow image).
//3) All event handlers added to the menu are now unobstrusive, allowing you to define your own "onmouseover" or "onclick" events on the menu items.
//4) Fixed elusive JS error in FF that sometimes occurs when mouse quickly moves between main menu items and drop down menus


var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
//dropdownindicator: '<img src="down.gif" border="0" />', //specify full HTML to add to end of each menu item with a drop down menu
dropdownindicator: '', //specify full HTML to add to end of each menu item with a drop down menu
enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
enableiframeshim: 1, //enable "iframe shim" in IE5.5/IE6? (1=yes, 0=no)

//No need to edit beyond here////////////////////////

dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, swipetimer: undefined, bottomclip:0,

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;
},

swipeeffect:function(){
if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
}
else
return
this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
},

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
},

showhide:function(obj, e){
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
if (this.enableswipe==1){
if (typeof this.swipetimer!="undefined")
clearTimeout(this.swipetimer)
obj.clip="rect(0 auto 0 0)" //hide menu via clipping
this.bottomclip=0
this.swipeeffect()
}
obj.visibility="visible"
this.css(this.asscmenuitem, "selected", "add")
},

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
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure) //move menu to the left?
edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidt
}
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
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
},




//modified by pyl on 8/31/2008
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.showhide(this.dropmenuobj.style, e)
this.dropmenuobj.x=this.getposOffset(obj, "left")
this.dropmenuobj.y=this.getposOffset(obj, "top")
//pyl add + 1 to move the drop-down menu to right 1 px
this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
//pyl add - 4 to move the drop-down menu up 4px
this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight-4+"px"
this.positionshim() //call iframe shim function
},

positionshim:function(){ //display iframe shim function
if (this.enableiframeshim && typeof this.shimobject!="undefined"){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
this.shimobject.style.left=this.dropmenuobj.style.left
this.shimobject.style.top=this.dropmenuobj.style.top
}
this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
}
},

hideshim:function(){
if (this.enableiframeshim && typeof this.shimobject!="undefined")
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=0
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 (window.createPopup && !window.XmlHttpRequest &&!this.iframeshimadded){ //if IE5.5 to IE6, create iframe for iframe shim technique
document.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>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
this.iframeshimadded=true
}
} //end startchrome

}

ddadmin
09-02-2008, 12:38 AM
Please post a link to the page on your site that contains the problematic script so we can check it out.