/*
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 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,tag){
	// get all the elements that have id as content
    l = $(d);
    if (!l) return;

    l=l.getElementsByTagName(tag);
    
	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.overflow='hidden';
            d.maxh =sh(d);
			d.s=(s==undefined)? 7 : s;
			h=$(h);
			h.tc=tc;
			h.c=c;

            if(h.className.match(/selected+/)!=undefined){
              d.style.display='block';
            }
            else {
              d.style.display='none';
            }           

			// 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(sel!=undefined){sel.onclick();} */

/*    if(sel!=undefined){sel.style.display='block'; sel.style.height=sh(sel);} */
}

function AccordianEx(d,tag){
    // get all the elements that have id as content
    l = $(d);
    if (!l) return;

    l=l.getElementsByTagName(tag);

    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') || (h.substr(h.indexOf('-')+1,h.length)=='header2')){
//            d=$(h.substr(0,h.indexOf('-'))+'-content');
            
//            d.maxh =sh(d);
//            d.s=(s==undefined)? 7 : s;
            h=$(h);
//            h.tc=tc;
//            h.c=c;

            // set the onclick function for each header.
            h.onclick = function(){
                // detekce starych IE
                var newstyle = true;
                if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
                  var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
                  if (ieversion<=7)
                    newstyle = false;
                }

                hh = this.id;
                dd=$(hh.substr(0,hh.indexOf('-'))+'-content');

                if (newstyle) { 
                  if (dd.style.display == 'table-row') {
                    dd.style.display = 'none';
                  }
                  else {
                    dd.style.display = 'table-row'; 
                  }
                }
                else {  // ie6 a ie7 neumi table row
                  if (dd.style.display == 'block') {
                    dd.style.display = 'none';
                  }
                  else {
                    dd.style.display = 'block';
                  }
                }
            }
        }
    }
}
