function tabberObj(argsObj)
{
	var arg;
	this.div=null;
	this.classMain="tabber";
	this.classMainLive="tabberlive";
	this.classTab="tabbertab";
	this.classTabDefault="tabbertabdefault";
	this.classNav="tabbernav";
	this.classTabHide="tabbertabhide";
	this.classNavActive="tabberactive";
	this.titleElements=['h3','h4','h5','h6'];
	this.titleElementsStripHTML=true;
	this.removeTitle=true;
	this.addLinkId=false;
	this.linkIdFormat='<tabberid>nav<tabnumberone>';
	for(arg in argsObj)
	{
		this[arg]=argsObj[arg];
	}
	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');
	this.tabs=new Array();
	if(this.div)
	{
		this.init(this.div);
		this.div=null;
	}
}
tabberObj.prototype.init=function(e)
{
	var childNodes,i,i2,t,defaultTab=0,DOM_ul,DOM_li,DOM_a,aId,headingElement,DOM_img;
	if(!document.getElementsByTagName)
	{
		return false;
	}
	if(e.id)
	{
		this.id=e.id;
	}
	this.tabs.length=0;
	childNodes=e.childNodes;
	for(i=0; i<childNodes.length; i++)
	{ 
		if(childNodes[i].className&&childNodes[i].className.match(this.REclassTab))
			{	
				t=new Object();
				t.div=childNodes[i];
				this.tabs[this.tabs.length]=t;
				if(childNodes[i].className.match(this.REclassTabDefault))
				{
					defaultTab=this.tabs.length-1;
				}
			}
	}
	DOM_ul=document.createElement("ul");
	DOM_ul.className=this.classNav;
	for(i=0;i<this.tabs.length;i++)
	{
		t=this.tabs[i];
		t.headingText=t.div.title;
		if(this.removeTitle)
		{
			t.div.title='';
		}

		//t.div.title='';
	if(!t.headingText)
		{
			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)
		{
			t.headingText=i+1;
		}
		
		DOM_li=document.createElement("li");

		t.li=DOM_li;
		DOM_a=document.createElement("a");
	/*	if (i == this.tabs.length-1 ||i == 0)
		{
			DOM_a.setAttribute('style','width:50px');
		}
		else
		{
			DOM_a.setAttribute('style','width:110px');
		}*/
		DOM_a.appendChild(document.createTextNode(t.headingText));
		DOM_a.href="javascript:void(null);";
		DOM_a.title=t.headingText;
		DOM_a.onclick=this.navClick;
		DOM_a.tabber=this;
		DOM_a.tabberIndex=i;
		if(this.addLinkId&&this.linkIdFormat)
		{
			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;
		}
	var myimg = document.createElement('img');
	var src='http://www.mq.edu.au/mq_templates/library/images/tab-active_bg.png';
	var width='60';
	var height='15';
	myimg.setAttribute('src',src);
	myimg.setAttribute('width',width);
	myimg.setAttribute('height',height);
	//DOM_li.appendChild(myimg);
		DOM_li.appendChild(DOM_a);
		DOM_ul.appendChild(DOM_li);
	}
	e.insertBefore(DOM_ul,e.firstChild);
	
	 var div1 = document.createElement("div");
 	div1.setAttribute("class", "tab-ul_bg");
	e.insertBefore(div1,DOM_ul);
	//e.insertBefore(DOM_ul,div1);
	
	e.className=e.className.replace(this.REclassMain,this.classMainLive);
	this.tabShow(defaultTab);
	if(typeof this.onLoad=='function')
	{
		this.onLoad({tabber:this});
	}
	return this;
};

tabberObj.prototype.navClick=function(event)
{
	var rVal,a,self,tabberIndex,onClickArgs;
	a=this;
	if(!a.tabber)
	{
		return false;
	}
	self=a.tabber;
	tabberIndex=a.tabberIndex;
	a.blur();
	if(typeof self.onClick=='function')
	{
		onClickArgs={'tabber':self,'index':tabberIndex,'event':event};
		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;
	for(i=0;i<this.tabs.length;i++)
	{
		this.tabHide(i);
	}
};

tabberObj.prototype.tabHide=function(tabberIndex)
{
	var div;
	if(!this.tabs[tabberIndex])
	{
		return false;
	}
	div=this.tabs[tabberIndex].div;
	if(!div.className.match(this.REclassTabHide))
	{
		div.className+=' '+this.classTabHide;
	}
	this.navClearActive(tabberIndex);
	return this;
};

tabberObj.prototype.tabShow=function(tabberIndex)
{
	var div;
	if(!this.tabs[tabberIndex])
	{
		return false;
	}
	this.tabHideAll();
	div=this.tabs[tabberIndex].div;
	div.className=div.className.replace(this.REclassTabHide,'');
	this.navSetActive(tabberIndex);
	if(typeof this.onTabDisplay=='function')
	{
		this.onTabDisplay({'tabber':this,'index':tabberIndex});
	}
	return this;
};

tabberObj.prototype.navSetActive=function(tabberIndex)
{
	this.tabs[tabberIndex].li.className=this.classNavActive;
	/*var myimg = document.createElement('img');
	var src='<img width="60" height="15" src="http://www.mq.edu.au/mq_templates/library/images/tab-active_bg.png"/>';
	myimg.setAttribute('src',src);
	this.tabs[tabberIndex].li.appendChild(myimg);*/
	return this;
};

tabberObj.prototype.navClearActive=function(tabberIndex)
{
	this.tabs[tabberIndex].li.className='';
	return this;
};

function tabberAutomatic(tabberArgs)
{
	var tempObj,divs,i;
	if(!tabberArgs)
	{
		tabberArgs={};
	}
	tempObj=new tabberObj(tabberArgs);
	divs=document.getElementsByTagName("div");
	for(i=0;i<divs.length;i++)
	{
		if(divs[i].className&&divs[i].className.match(tempObj.REclassMain))
		{
			tabberArgs.div=divs[i];
			divs[i].tabber=new tabberObj(tabberArgs);
		}
	}
	return this;
}

function tabberAutomaticOnLoad(tabberArgs)
{
	var oldOnLoad;
	if(!tabberArgs)
	{
		tabberArgs={};
	}
	oldOnLoad=window.onload;
	if(typeof window.onload!='function')
	{
		window.onload=function()
		{
			tabberAutomatic(tabberArgs);
		};
	}
	else
	{
		window.onload=function()
		{
			oldOnLoad();
			tabberAutomatic(tabberArgs);
		};
	}
}

if(typeof tabberOptions=='undefined')
  {
  	tabberAutomaticOnLoad();
  }
  
else
  {
	if(!tabberOptions['manualStartup'])
    	{
			tabberAutomaticOnLoad(tabberOptions);
	    }
  }