/*
DezinerFolio.com Simple Accordians.

Author  : G.S.Navin Raj Kumar
Website : http://dezinerfolio.com

*/

/*
* The Variable names have been compressed to achive a higher level of compression.
*/

// Prototype Method to get the element based on ID
/*
function $(d){
	return document.getElementById(d);
}
*/

// set or get the current display style of the div
function dsp(d,v){
	if(v==undefined){
		return d.style.display;
	}else{
		d.style.display=v;
	}
}

// set or get the height of a div.
function sh(d,v){
	// if you are getting the height then display must be block to return the absolute height
	if(v==undefined){
		if(dsp(d)!='none'&& dsp(d)!=''){
			return d.offsetHeight;
		}
		viz = d.style.visibility;
		d.style.visibility = 'hidden';
		o = dsp(d);
		dsp(d,'block');
		r = parseInt(d.offsetHeight);
		dsp(d,o);
		d.style.visibility = viz;
		return r;
	}else{
		d.style.height=v;
	}
}
/*
* Variable 'S' defines the speed of the accordian
* Variable 'T' defines the refresh rate of the accordian
*/
s=7;
t=10;

//Collapse Timer is triggered as a setInterval to reduce the height of the div exponentially.
function ct(d){
	d = $(d);
	if(sh(d)>0){
		v = Math.round(sh(d)/d.s);
		v = (v<1) ? 1 :v ;
		v = (sh(d)-v);
		sh(d,v+'px');
		d.style.opacity = (v/d.maxh);
		d.style.filter= 'alpha(opacity='+(v*100/d.maxh)+');';
	}else{
		sh(d,0);
		dsp(d,'none');
		clearInterval(d.t);
	}
}

//Expand Timer is triggered as a setInterval to increase the height of the div exponentially.
function et(d){
	d = $(d);
	if(sh(d)<d.maxh){
		v = Math.round((d.maxh-sh(d))/d.s);
		v = (v<1) ? 1 :v ;
		v = (sh(d)+v);
		sh(d,v+'px');
		d.style.opacity = (v/d.maxh);
		d.style.filter= 'alpha(opacity='+(v*100/d.maxh)+');';
	}else{
		sh(d,d.maxh);
		clearInterval(d.t);
	}
}

// Collapse Initializer
function cl(d){
	if(dsp(d)=='block'){
		clearInterval(d.t);
		d.t=setInterval('ct("'+d.id+'")',t);
	}
}

//Expand Initializer
function acc_ex(d){
	if(dsp(d)=='none'){
		dsp(d,'block');
		d.style.height='0px';
		clearInterval(d.t);
		d.t=setInterval('et("'+d.id+'")',t);
	}
}

// Removes Classname from the given div.
function cc(n,v){
	s=n.className.split(/\s+/);
	for(p=0;p<s.length;p++){
		if(s[p]==v+n.tc){
			s.splice(p,1);
			n.className=s.join(' ');
			break;
		}
	}
}
//Accordian Initializer
function Accordian(d,s,tc){
	// get all the elements that have id as content
	l=$(d).getElementsByTagName('div');
	c=[];
	for(i=0;i<l.length;i++){
		h=l[i].id;
		if(h.substr(h.indexOf('-')+1,h.length)=='content'){c.push(h);}
	}
	sel=null;
	//then search through headers
	for(i=0;i<l.length;i++){
		h=l[i].id;
		if(h.substr(h.indexOf('-')+1,h.length)=='header'){
			d=$(h.substr(0,h.indexOf('-'))+'-content');
			d.style.display='none';
			d.style.overflow='hidden';
			d.maxh =sh(d);
			d.s=(s==undefined)? 7 : s;
			h=$(h);
			//console.log(h);
			h.tc=tc;
			h.c=c;
			
			// set the onclick function for each header.
			h.onclick = function(){
				// Close open accordion items
				//closeAcc();
				
				
				z=this;
				for(i=0;i<this.c.length;i++){
					cn=this.c[i];
					n=cn.substr(0,cn.indexOf('-'));
					if((n+'-header')==this.id){
						acc_ex($(n+'-content'));
						n=$(n+'-header');
						cc(n,'__');
						n.className=n.className+' '+n.tc;
						
					}else{
						cl($(n+'-content'));
						cc($(n+'-header'),'');
						
					}
					
					
				}
								
			}
			
			if(h.className.match(/selected+/)!=undefined){ sel=h;}
		}
	}
	if(sel!=undefined){sel.onclick();}
}


/* Additional functions */
function setAcc() {
	accordions = getElementsByClassName("accordion");
	for (var j=0;j<accordions.length;j++) {
		new Accordian(accordions[j].id,5,'header_highlight');
		
	}
	
	setCloseLinks();	
}

function closeAcc() {
	headings= getElementsByClassName("accordion_headings");
	
	for (var b=0;b<headings.length;b++) {
		cc($(headings[b].id), '');		
	
				
	}
		
	content = getElementsByClassName("accordionContent");
	//content = $('scrollbar_container').select('div.accordionContent');
	
	
	for (var a=0;a<content.length;a++) {
		cl($(content[a].id));		
				
	}
	
}

function setCloseLinks() {

	//closeLinks = getElementsByClassName("closeLink");
	closeLinks = $('scrollbar_container').select('div.closeLink');
	
	
	for (i=0; i< closeLinks.length; i++ ) {
		closeLinks[i].onclick = function() {
			cl(this.parentNode.parentNode.parentNode);
		
			x=this.parentNode.parentNode.parentNode.id;
			y=x.substr(0,x.indexOf('-'));
			z=$(y+"-header");
			/*clear class name of the block*/
			z.firstChild.className='';
			
		}
		
	}	

}

function clearSelected(el) { 
	categoryLinks = getElementsByClassName("categoryLink");
	categoryHeading = el.parentNode.parentNode.parentNode.childNodes[1].childNodes[0].nodeValue;
		
	if (isIE) {
		categoryHeading = el.parentNode.parentNode.parentNode.childNodes[0].childNodes[0].nodeValue;
		
	}
	
	for (j=0; j<categoryLinks.length;j++) {
		y = categoryLinks[j].childNodes[0].nodeValue;
		
		
		if (y == categoryHeading) {
			
			RemoveClass(categoryLinks[j], "selected");
			
		}
			
	}
}

function setSelected(h) { 	
				
	categoryLinks = getElementsByClassName("categoryLink");

	categoryHeading = h.parentNode.childNodes[1].childNodes[0].nodeValue;
	if (isIE) {
		categoryHeading = h.parentNode.childNodes[0].childNodes[0].nodeValue;
		
	}
		
	for (j=0; j<categoryLinks.length;j++) {
		if (HasClass(categoryLinks[j], "selected")) {
			RemoveClass	(categoryLinks[j], "selected");
		}
		
		y = categoryLinks[j].childNodes[0].nodeValue;
				
		if (y == categoryHeading) {
			
			AddClass(categoryLinks[j], "selected");
			
		}
			
	}
	
}