/*
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;
		//alert(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)+');';
		//if(v==0) alert(v);//sh(d));
		
		if (v==0) {
		clearInterval(d.t);
		sh(d,0);
		dsp(d,'none');
		}
		
	}
	/*
	else {		
		sh(d,0);
		dsp(d,'none');
		clearInterval(d.t);
		alert(sh(d) + '!');		
	}
	*/
}

//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 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 tabName from location
    var tabName = location.hash;
	tabName = tabName.replace(/#/i, '');
    tabName += '-header';

	// get all the elements that have id as content
	if (document.getElementById(d) != null)
    {
        l=$(d).getElementsByTagName('div');
    }
    else
    {
        return;
    }
	c=[];
	for(i=0;i<l.length;i++){
		h=l[i].id;
		if(h!=''){c.push(h);}
	}
	sel=null;
    choused_d=null;
	//then search through headers
	for(i=0;i<l.length;i++){
		h=l[i].id;
		if(h.substr(h.indexOf('-')+1,h.length)=='header'){
		    header_d=$(h.substr(0,h.indexOf('-'))+'-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;
//alert(sh(d));
            if (tabName == h)
            {
            	choused_d=d;
                choused_header_d=header_d;
            }
            else if (i == 0)
            {
                first_d=d;
                first_header_d=header_d;
            }
			//alert(sh(d));
			h=$(h);
			h.tc=tc;
			h.c=c;
			// set the onclick function for each header.
			h.onclick = function(){
				for(i=0;i<this.c.length;i++){
					cn=this.c[i];
					n=cn.substr(0,cn.indexOf('-'));
					if((n+'-header')==this.id){
						ex($(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 (choused_d != null)
    {
        choused_header_d.className = 'accordion_headings header_highlight';
    	ex(choused_d);
    }
    else
    {
        first_header_d.className = 'accordion_headings header_highlight';
    	ex(first_d);
    }
	if(sel!=undefined){sel.onclick();}
}