/*
	BULLSEYE ANIMATION CREATION LIBRARY
	Combining animator.js and various regularly used functions
*/

/*==========================================================//
	Background Image Cache
//==========================================================*/
try 
{
  document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}

/*==========================================================//
	Listener for the page to fully load
//==========================================================*/
function addLoadListener(fn)
{
	if(typeof window.addEventListener != 'undefined')
	{
		window.addEventListener('load',fn,false);
	}
	else if (typeof document.addEventListener != 'undefined')
	{
		document.addEventListener('load', fn, false);
	}
	else if (typeof window.attachEvent != 'undefined')
	{
		window.attachEvent('onload', fn);
	}
	else
	{
		var oldfn = window.onload;
		if(typeof window.onload != 'function')
		{
			window.onload = fn;
		}
		else
		{
			window.onload = function()
			{
				oldfn();
				fn();
			}
		}
	}
}

/*==========================================================//
	Add listeners on objects (multi-browser) 
//==========================================================*/
function attachEventListener(target, eventType, functionRef, capture){
	if(typeof target.addEventListener != "undefined"){ 
		target.addEventListener(eventType, functionRef, capture);
	}else if (typeof target.attachEvent != "undefined"){
		target.attachEvent("on" + eventType, functionRef);
	}else{
		eventType = "on" + eventType;
		if(typeof target [eventType] == "function"){
			var oldListener = target[eventType];
			target[eventType] = function(){
				oldListener();
				return functionRef;
			}
		}
		else {
			target[eventType] = functionRef;
		}
		
	}
	return true;
}

/*==========================================================//
	Get elements by class name (multi-browser)
//==========================================================*/
function getElementsByClassName(oElm, strTagName, oClassNames){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	var arrRegExpClassNames = new Array();
	if(typeof oClassNames == "object"){
		for(var i=0; i<oClassNames.length; i++){
			arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames[i].replace(/-/g, "\-") + "(\s|$)"));
		}
	}
	else{
		arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames.replace(/-/g, "\-") + "(\s|$)"));
	}
	var oElement;
	var bMatchesAll;
	for(var j=0; j<arrElements.length; j++){
		oElement = arrElements[j];
		bMatchesAll = true;
		for(var k=0; k<arrRegExpClassNames.length; k++){
			if(!arrRegExpClassNames[k].test(oElement.className)){
				bMatchesAll = false;
				break;
			}
		}
		if(bMatchesAll){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}


/*==========================================================//
	Create Accordion Menu/ Content System 
//==========================================================*/
var _accordionTitle;
function accordionIni(){
    _accordion = new Array();
    if(getElementsByClassName(document,'div','accordionTitleBar')[0]!=null){
        _accordionTitle=getElementsByClassName(document,'div','accordionTitleBar');
        _accordionContentCont=getElementsByClassName(document,'div','accordionContentCont');
        _accordionContent=getElementsByClassName(document,'div','accordionContent');
        for(var i=0; i<_accordionTitle.length ;i++){
            _accordionContentHeight=_accordionContent[i].offsetHeight;
            _accordion[i]='_accordion'+i;
            _accordion[i]=new Animator({duration: 400});
            _accordion[i].addSubject(new NumericalStyleSubject(_accordionContentCont[i], 'height', 0, _accordionContentHeight));
			if(_accordionTitle[i].parentNode.className == "accordion_on"){
				_accordion[i].jumpTo(1);
			}
            attachEventListener(_accordionTitle[i],"mousedown", expand, false);
        }
    }
}
function expand(eventType){
    if(typeof eventType.srcElement!="undefined"){
		srcEl=eventType.srcElement.parentNode;
	} else {
		srcEl=this;
	}
	var accordionSet=srcEl.parentNode.parentNode;
	
	for(var i=0; i<_accordionTitle.length ;i++){
	    if(_accordionTitle[i]==srcEl){
	        if(_accordion[i].state==0){
    	        _accordion[i].seekTo(1);
				srcEl.parentNode.className = "accordion_on";
    	    }else{
    	        _accordion[i].seekTo(0);
				srcEl.parentNode.className = "accordion_off";				
    	    }
	    }else{
	        if((_accordion[i].state!=0)&&(accordionSet==_accordionTitle[i].parentNode.parentNode)){
				objRel = accordionSet.getAttribute('rel');
				if(objRel!="allowOpen"){
					_accordion[i].seekTo(0);
					_accordionTitle[i].parentNode.className = "accordion_off";
				}
			}
	    }
	}
}

/*==========================================================//
	Functions to be completed on page load
//==========================================================*/
function pageIni(){
	accordionIni();
}
addLoadListener(pageIni);