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Js Works In Ie, Not Ff


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I have a tab-content system that I've modified from this script here.Everything works fine in IE, as it looks like this below:rollover-features.gifAs you can see when you rollover a tab, a black outline highlights that tab. But in Firefox, only the first tab has the black outline on the hover. The rest of the four tabs do not rollover, and thus cannot have their hidden content shown.Is there an explanation for why this works in IE and not FF?Here is the JS:

/*==================================================  $Id: tabber.js,v 1.9 2006/04/27 20:51:51 pat Exp $  tabber.js by Patrick Fitzgerald pat@barelyfitz.com  Documentation can be found at the following URL:  http://www.barelyfitz.com/projects/tabber/  License (http://www.opensource.org/licenses/mit-license.php)  Copyright (c) 2006 Patrick Fitzgerald  Permission is hereby granted, free of charge, to any person  obtaining a copy of this software and associated documentation files  (the "Software"), to deal in the Software without restriction,  including without limitation the rights to use, copy, modify, merge,  publish, distribute, sublicense, and/or sell copies of the Software,  and to permit persons to whom the Software is furnished to do so,  subject to the following conditions:  The above copyright notice and this permission notice shall be  included in all copies or substantial portions of the Software.  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  SOFTWARE.  ==================================================*/function tabberObj(argsObj){  var arg; /* name of an argument to override */  /* Element for the main tabber div. If you supply this in argsObj,	 then the init() method will be called.  */  this.div = null;  /* Class of the main tabber div */  this.classMain = "tabber";  /* Rename classMain to classMainLive after tabifying	 (so a different style can be applied)  */  this.classMainLive = "tabberlive";  /* Class of each DIV that contains a tab */  this.classTab = "tabbertab";  /* Class to indicate which tab should be active on startup */  this.classTabDefault = "tabbertabdefault";  /* Class for the navigation UL */  this.classNav = "tabbernav";  /* When a tab is to be hidden, instead of setting display='none', we	 set the class of the div to classTabHide. In your screen	 stylesheet you should set classTabHide to display:none.  In your	 print stylesheet you should set display:block to ensure that all	 the information is printed.  */  this.classTabHide = "tabbertabhide";  /* Class to set the navigation LI when the tab is active, so you can	 use a different style on the active tab.  */  this.classNavActive = "tabberactive";  /* Elements that might contain the title for the tab, only used if a	 title is not specified in the TITLE attribute of DIV classTab.  */  this.titleElements = ['h2','h3','h4','h5','h6'];  /* Should we strip out the HTML from the innerHTML of the title elements?	 This should usually be true.  */  this.titleElementsStripHTML = true;  /* If the user specified the tab names using a TITLE attribute on	 the DIV, then the browser will display a tooltip whenever the	 mouse is over the DIV. To prevent this tooltip, we can remove the	 TITLE attribute after getting the tab name.  */  this.removeTitle = true;  /* If you want to add an id to each link set this to true */  this.addLinkId = false;  /* If addIds==true, then you can set a format for the ids.	 <tabberid> will be replaced with the id of the main tabber div.	 <tabnumberzero> will be replaced with the tab number	   (tab numbers starting at zero)	 <tabnumberone> will be replaced with the tab number	   (tab numbers starting at one)	 <tabtitle> will be replaced by the tab title	   (with all non-alphanumeric characters removed)   */  this.linkIdFormat = '<tabberid>nav<tabnumberone>';  /* You can override the defaults listed above by passing in an object:	 var mytab = new tabber({property:value,property:value});  */  for (arg in argsObj) { this[arg] = argsObj[arg]; }  /* Create regular expressions for the class names; Note: if you	 change the class names after a new object is created you must	 also change these regular expressions.  */  this.REclassMain = new RegExp('\\b' + this.classMain + '\\b', 'gi');  this.REclassMainLive = new RegExp('\\b' + this.classMainLive + '\\b', 'gi');  this.REclassTab = new RegExp('\\b' + this.classTab + '\\b', 'gi');  this.REclassTabDefault = new RegExp('\\b' + this.classTabDefault + '\\b', 'gi');  this.REclassTabHide = new RegExp('\\b' + this.classTabHide + '\\b', 'gi');  /* Array of objects holding info about each tab */  this.tabs = new Array();  /* If the main tabber div was specified, call init() now */  if (this.div) {	this.init(this.div);	/* We don't need the main div anymore, and to prevent a memory leak	   in IE, we must remove the circular reference between the div	   and the tabber object. */	this.div = null;  }}/*--------------------------------------------------  Methods for tabberObj  --------------------------------------------------*/tabberObj.prototype.init = function(e){  /* Set up the tabber interface.	 e = element (the main containing div)	 Example:	 init(document.getElementById('mytabberdiv'))   */  var  childNodes, /* child nodes of the tabber div */  i, i2, /* loop indices */  t, /* object to store info about a single tab */  defaultTab=0, /* which tab to select by default */  DOM_ul, /* tabbernav list */  DOM_li, /* tabbernav list item */  DOM_a, /* tabbernav link */  aId, /* A unique id for DOM_a */  headingElement; /* searching for text to use in the tab */  /* Verify that the browser supports DOM scripting */  if (!document.getElementsByTagName) { return false; }  /* If the main DIV has an ID then save it. */  if (e.id) {	this.id = e.id;  }  /* Clear the tabs array (but it should normally be empty) */  this.tabs.length = 0;  /* Loop through an array of all the child nodes within our tabber element. */  childNodes = e.childNodes;  for(i=0; i < childNodes.length; i++) {	/* Find the nodes where class="tabbertab" */	if(childNodes[i].className &&	   childNodes[i].className.match(this.REclassTab)) {	  	  /* Create a new object to save info about this tab */	  t = new Object();	  	  /* Save a pointer to the div for this tab */	  t.div = childNodes[i];	  	  /* Add the new object to the array of tabs */	  this.tabs[this.tabs.length] = t;	  /* If the class name contains classTabDefault,	 then select this tab by default.	  */	  if (childNodes[i].className.match(this.REclassTabDefault)) {	defaultTab = this.tabs.length-1;	  }	}  }  /* Create a new UL list to hold the tab headings */  DOM_ul = document.createElement("ul");  DOM_ul.className = this.classNav;    /* Loop through each tab we found */  for (i=0; i < this.tabs.length; i++) {	t = this.tabs[i];	/* Get the label to use for this tab:	   From the title attribute on the DIV,	   Or from one of the this.titleElements[] elements,	   Or use an automatically generated number.	 */	t.headingText = t.div.title;	/* Remove the title attribute to prevent a tooltip from appearing */	if (this.removeTitle) { t.div.title = ''; }	if (!t.headingText) {	  /* Title was not defined in the title of the DIV,	 So try to get the title from an element within the DIV.	 Go through the list of elements in this.titleElements	 (typically heading elements ['h2','h3','h4'])	  */	  for (i2=0; i2<this.titleElements.length; i2++) {	headingElement = t.div.getElementsByTagName(this.titleElements[i2])[0];	if (headingElement) {	  t.headingText = headingElement.innerHTML;	  if (this.titleElementsStripHTML) {		t.headingText.replace(/<br>/gi," ");		t.headingText = t.headingText.replace(/<[^>]+>/g,"");	  }	  break;	}	  }	}	if (!t.headingText) {	  /* Title was not found (or is blank) so automatically generate a		 number for the tab.	  */	  t.headingText = i + 1;	}	/* Create a list element for the tab */	DOM_li = document.createElement("li");	/* Save a reference to this list item so we can later change it to	   the "active" class */	t.li = DOM_li;	/* Create a link to activate the tab */	DOM_a = document.createElement("a");	DOM_a.appendChild(document.createTextNode(t.headingText));	DOM_a.href = "java script:void(null);";	DOM_a.title = t.headingText;	DOM_a.onclick = this.navClick;	/* Add some properties to the link so we can identify which tab	   was clicked. Later the navClick method will need this.	*/	DOM_a.tabber = this;	DOM_a.tabberIndex = i;	/* Do we need to add an id to DOM_a? */	if (this.addLinkId && this.linkIdFormat) {	  /* Determine the id name */	  aId = this.linkIdFormat;	  aId = aId.replace(/<tabberid>/gi, this.id);	  aId = aId.replace(/<tabnumberzero>/gi, i);	  aId = aId.replace(/<tabnumberone>/gi, i+1);	  aId = aId.replace(/<tabtitle>/gi, t.headingText.replace(/[^a-zA-Z0-9\-]/gi, ''));	  DOM_a.id = aId;	}	/* Add the link to the list element */	DOM_li.appendChild(DOM_a);	/* Add the list element to the list */	DOM_ul.appendChild(DOM_li);  }  /* Add the UL list to the beginning of the tabber div */  e.insertBefore(DOM_ul, e.firstChild);  /* Make the tabber div "live" so different CSS can be applied */  e.className = e.className.replace(this.REclassMain, this.classMainLive);  /* Activate the default tab, and do not call the onclick handler */  this.tabShow(defaultTab);  /* If the user specified an onLoad function, call it now. */  if (typeof this.onLoad == 'function') {	this.onLoad({tabber:this});  }  return this;};tabberObj.prototype.navClick = function(event){  /* This method should only be called by the onClick event of an <A>	 element, in which case we will determine which tab was clicked by	 examining a property that we previously attached to the <A>	 element.	 Since this was triggered from an onClick event, the variable	 "this" refers to the <A> element that triggered the onClick	 event (and not to the tabberObj).	 When tabberObj was initialized, we added some extra properties	 to the <A> element, for the purpose of retrieving them now. Get	 the tabberObj object, plus the tab number that was clicked.  */  var  rVal, /* Return value from the user onclick function */  a, /* element that triggered the onclick event */  self, /* the tabber object */  tabberIndex, /* index of the tab that triggered the event */  onClickArgs; /* args to send the onclick function */  a = this;  if (!a.tabber) { return false; }  self = a.tabber;  tabberIndex = a.tabberIndex;  /* Remove focus from the link because it looks ugly.	 I don't know if this is a good idea...  */  a.blur();  /* If the user specified an onClick function, call it now.	 If the function returns false then do not continue.  */  if (typeof self.onClick == 'function') {	onClickArgs = {'tabber':self, 'index':tabberIndex, 'event':event};	/* IE uses a different way to access the event object */	if (!event) { onClickArgs.event = window.event; }	rVal = self.onClick(onClickArgs);	if (rVal === false) { return false; }  }  self.tabShow(tabberIndex);  return false;};tabberObj.prototype.tabHideAll = function(){  var i; /* counter */  /* Hide all tabs and make all navigation links inactive */  for (i = 0; i < this.tabs.length; i++) {	this.tabHide(i);  }};tabberObj.prototype.tabHide = function(tabberIndex){  var div;  if (!this.tabs[tabberIndex]) { return false; }  /* Hide a single tab and make its navigation link inactive */  div = this.tabs[tabberIndex].div;  /* Hide the tab contents by adding classTabHide to the div */  if (!div.className.match(this.REclassTabHide)) {	div.className += ' ' + this.classTabHide;  }  this.navClearActive(tabberIndex);  return this;};tabberObj.prototype.tabShow = function(tabberIndex){  /* Show the tabberIndex tab and hide all the other tabs */  var div;  if (!this.tabs[tabberIndex]) { return false; }  /* Hide all the tabs first */  this.tabHideAll();  /* Get the div that holds this tab */  div = this.tabs[tabberIndex].div;  /* Remove classTabHide from the div */  div.className = div.className.replace(this.REclassTabHide, '');  /* Mark this tab navigation link as "active" */  this.navSetActive(tabberIndex);  /* If the user specified an onTabDisplay function, call it now. */  if (typeof this.onTabDisplay == 'function') {	this.onTabDisplay({'tabber':this, 'index':tabberIndex});  }  return this;};tabberObj.prototype.navSetActive = function(tabberIndex){  /* Note: this method does *not* enforce the rule	 that only one nav item can be active at a time.  */  /* Set classNavActive for the navigation list item */  this.tabs[tabberIndex].li.className = this.classNavActive;  return this;};tabberObj.prototype.navClearActive = function(tabberIndex){  /* Note: this method does *not* enforce the rule	 that one nav should always be active.  */  /* Remove classNavActive from the navigation list item */  this.tabs[tabberIndex].li.className = '';  return this;};/*==================================================*/function tabberAutomatic(tabberArgs){  /* This function finds all DIV elements in the document where	 class=tabber.classMain, then converts them to use the tabber	 interface.	 tabberArgs = an object to send to "new tabber()"  */  var	tempObj, /* Temporary tabber object */	divs, /* Array of all divs on the page */	i; /* Loop index */  if (!tabberArgs) { tabberArgs = {}; }  /* Create a tabber object so we can get the value of classMain */  tempObj = new tabberObj(tabberArgs);  /* Find all DIV elements in the document that have class=tabber */  /* First get an array of all DIV elements and loop through them */  divs = document.getElementsByTagName("div");  for (i=0; i < divs.length; i++) {		/* Is this DIV the correct class? */	if (divs[i].className &&	divs[i].className.match(tempObj.REclassMain)) {	  	  /* Now tabify the DIV */	  tabberArgs.div = divs[i];	  divs[i].tabber = new tabberObj(tabberArgs);	}  }    return this;}/*==================================================*/function tabberAutomaticOnLoad(tabberArgs){  /* This function adds tabberAutomatic to the window.onload event,	 so it will run after the document has finished loading.  */  var oldOnLoad;  if (!tabberArgs) { tabberArgs = {}; }  /* Taken from: http://simon.incutio.com/archive/2004/05/26/addLoadEvent */  oldOnLoad = window.onload;  if (typeof window.onload != 'function') {	window.onload = function() {	  tabberAutomatic(tabberArgs);	};  } else {	window.onload = function() {	  oldOnLoad();	  tabberAutomatic(tabberArgs);	};  }}/*==================================================*//* Run tabberAutomaticOnload() unless the "manualStartup" option was specified */if (typeof tabberOptions == 'undefined') {	tabberAutomaticOnLoad();} else {  if (!tabberOptions['manualStartup']) {	tabberAutomaticOnLoad(tabberOptions);  }}

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<div class="tabber"><div class="tabbertab" title="How it works">	<h3>How it works</h3>	<div class="tabs-margin">	<div class="tabs-headmain">Enter payroll and access reports from anywhere</div><br />	<div class="tabs-headsub">— even on your iPhone® or Blackberry®</div><br /><br />	<strong>What you do:</strong><br />	Our easy, 3-step process lets you enter and approve payroll hours in minutes, or you can use our 1-Click Payroll Technology to process payroll in seconds.<br /><br />	<strong>What we do:</strong>	<div class="tabs-listmargin">	<ul>	<li>Send you an email, reminding you when to process.</li>	<li>Calculate wages and deductions.</li>	<li>Deposit and file federal, state and local taxes.</li>	<li>Pay your employees by direct deposit and notify them of payment by email. (Or you can print and distribute checks if you prefer.)</li>	<li>Provide employees online access to their paystubs and W2s.</li>	<li>Provide you and your accountant with 24/7 access to payroll reports.</li>	</ul>	</div>	</div></div>	<div class="tabbertab" title="Products and Services">	<h3>Products and Services</h3>	<div class="tabs-margin">	<div class="tabs-headmain">Take advantage of affordable benefits and services</div><br />	<div class="tabs-headsub">— that seemlessly integrate into your payroll process.</div><br /><br />	<strong>What you do:</strong><br />	Our easy, 3-step process lets you enter and approve payroll hours in minutes, or you can use our 1-Click Payroll Technology to process payroll in seconds.<br /><br />	<strong>What we do:</strong>	<div class="tabs-listmargin">	<ul>	<li>Send you an email, reminding you when to process.</li>	<li>Calculate wages and deductions.</li>	<li>Deposit and file federal, state and local taxes.</li>	<li>Pay your employees by direct deposit and notify them of payment by email. (Or you can print and distribute checks if you prefer.)</li>	<li>Provide employees online access to their paystubs and W2s.</li>	<li>Provide you and your accountant with 24/7 access to payroll reports.</li>	</ul>	</div>	</div></div><div class="tabbertab">	<h3>Features</h3>	<div class="tabs-margin">	<div class="tabs-headmain">Get online convenience with robust features</div><br />	<div class="tabs-headsub">— for a fraction of the cost of ADP® or Paychex®</div><br /><br />	<strong>What you do:</strong><br />	Our easy, 3-step process lets you enter and approve payroll hours in minutes, or you can use our 1-Click Payroll Technology to process payroll in seconds.<br /><br />	<strong>What we do:</strong>	<div class="tabs-listmargin">	<ul>	<li>Send you an email, reminding you when to process.</li>	<li>Calculate wages and deductions.</li>	<li>Deposit and file federal, state and local taxes.</li>	<li>Pay your employees by direct deposit and notify them of payment by email. (Or you can print and distribute checks if you prefer.)</li>	<li>Provide employees online access to their paystubs and W2s.</li>	<li>Provide you and your accountant with 24/7 access to payroll reports.</li>	</ul>	</div>	</div></div><div class="tabbertab">	<h3>FAQs</h3>	<div class="tabs-margin">	<div class="tabs-headmain">Frequently Asked Questions</div>	</div></div><div class="tabbertab">	<h3>Compare Us</h3>	<div class="tabs-margin">	<div class="tabs-headmain">Compare Our Payroll Service</div>	</div></div><img src="tabber-bottom.gif" id="tabs_bottom" runat="server" width="625" height="64" /></div>

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