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Thread: trying to get spacing between parents to close!

  1. #1
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    Question trying to get spacing between parents to close!

    1) Script Title: Chrome CSS Drop Down Menu (v2.4)

    2) Script URL (on DD): http://www.dynamicdrive.com/dynamici...rome/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
    Last edited by cyberdyn; 08-31-2008 at 03:30 PM.

  2. #2
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    Default here's the javascript code

    This is the code that I have for the javascript -- I've modiified it from the original code.

    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
    
    }

  3. #3
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    Please post a link to the page on your site that contains the problematic script so we can check it out.
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