/* Font Size Functions
*********************************************************************/

	function getElementsByClass(theNode, theClass)
	{
		var cArray = [];
		var cArrayLoc = 0;
		
		function doTree(theNode)
		{
			if (theNode.className && theNode.className == theClass)
			{
			  cArray[cArrayLoc] = theNode;
			  cArrayLoc++;
			}
			for (var i=0, len=theNode.childNodes.length; i<len; i++)
			{
			  doTree(theNode.childNodes[i]);
			}
		}
		doTree(theNode);
		return cArray;
	}
	
	var smallFont = true;
	function toggleFontSize()
	{
		var fontSizeToggle = getElementsByClass(document.getElementById("outer_wrapper"), "font-size-toggle"
);
	
		if (!fontSizeToggle)
		{
			return;
		}
	
		if(smallFont)
		{
			for (var i = 0; i < fontSizeToggle.length; i++)
			{
				fontSizeToggle[i].style.fontSize = "1.2em";
				smallFont = false;
			}
		}
		else
		{
			for (var i = 0; i < fontSizeToggle.length; i++)
			{
				fontSizeToggle[i].style.fontSize = "1.1em";
				smallFont = true;
			}
		}
}


/* Cookie Functions
*********************************************************************/

function createCookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else 
    {
    var expires = "";
    }
    document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}


/*********Extra sIFR stuff******************************/

//place no embed tag for accessibility

function sIFRAccessibility(hVal)
{
var allHead = document.getElementsByTagName(hVal);

for(var t=0; t<allHead.length; t++)
{
  if(allHead[t].className.indexOf("sIFR-replaced")!=-1)
  {
    var tempHeading = allHead[t].getElementsByTagName("span")[0].innerHTML;
    var tempHeadVal = allHead[t].innerHTML;
    var tempSplitVal = tempHeadVal.split("<span");

    allHead[t].innerHTML = tempSplitVal[0]+"<noembed>"+tempHeading+"</noembed><span "+tempSplitVal[1];
  }
}
}

//Tabber Code

function tabberObj(argsObj)
{var arg;this.div=null;this.classMain="portfolio_holder";this.classMainLive="gallery";this.classTab="galleryframe";this.classTabDefault="tabbertabdefault";this.classNav="buttons";this.classTabHide="galleryframehide";this.classNavActive="selected";this.titleElements=['h2','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;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='';}
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");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;}
DOM_li.appendChild(DOM_a);DOM_ul.appendChild(DOM_li);}
e.insertBefore(DOM_ul,e.firstChild);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;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);}}


//Portfolio highlight functionality

// function to set / get attributes for cross browser
function attr(elem, name, value){

    // Make sure that a valid name was provided
    if(!name || name.constructor != String) return '';

    // Figure out if the name is one of the weird naming cases browsers have issues with
    name = { 'for': 'htmlFor', 'class': 'className' }[name] || name;

    var allNavElems = document.getElementById("image_nav").getElementsByTagName("a");
    for(var divCount=0; divCount<allNavElems.length; divCount++)
    {
      if(allNavElems[divCount].innerHTML.indexOf(elem)!=-1)
      {
        elem = allNavElems[divCount].id;
        allNavElems[divCount].className = "image_nav_current";
      }
    }

    // If the user is setting a value, also
    //if(typeof value != 'undefined'){
        // set the quick way first
     //   elem[name] = value;
        //if we can, then setAttribute
     //   if(elem.setAttribute){
     //       elem.setAttribute(name,value);
      //  }
    //}
    // return the value of the attribute
    //return elem[name] || elem.getAttribute(name) || '';
}

/* end script to highlight related links in left menu depending on content displayed */