/*
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;
		}
	}
}
var ty = 0;
//Accordian Initializer
//function Accordian(d,s,tc,e){
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);
			h.tc=tc;
			h.c=c;
			// set the onclick function for each header.
			h.onclick = function(){
				ID_1 = 0;
				ID_2 = 0;
				ID_3 = 0;
				ID_4 = 0;
				for(i=0;i<this.c.length;i++)
				{
					cn=this.c[i];
					n=cn.substr(0,cn.indexOf('-'));
					if((n+'-header')==this.id)
					{
						cn = $(n+'-header').className;
						if (cn!=undefined && cn.indexOf(tc) != -1) 
						{
							collapse(n);
						}
						else 
						{
							expand(n);
						}
					}
					else
					{
						
						collapse(n);
					}
				}
		}

		if(h.className.match(/selected+/)!=undefined)
		{ 
			sel=h;
		}
		
		}
	}
	if(sel!=undefined){sel.onclick();}
	// initializes the first expanded tab:
	
	//if (e!=undefined) expand(e);
}

function expand(n) {

	ex($(n+'-content'));
	n=$(n+'-header');
	cc(n,'__');
	n.className=n.className+' '+n.tc;
//	alert(n.id);
	
	if(n.id == 'test1-header')
	{	
		MM_swapImage('Image2','','images/internet-marcketing-over.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image3','','images/internet-marcketing.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image4','','images/web-development.jpg',1)
		MM_swapImgRestore()

	
		ID_1 = 1;
		ID_2 = 0;
		ID_3 = 0;
		ID_4 = 0;
	}
	else if(n.id == 'test2-header')
	{	
	
		MM_swapImage('Image1','','images/e-commrece-icon.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image3','','images/internet-marcketing.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image4','','images/web-development.jpg',1)
		MM_swapImgRestore()

		ID_1 = 0;
		ID_2 = 1;
		ID_3 = 0;
		ID_4 = 0;
	}
	else if(n.id == 'test3-header')
	{	
		MM_swapImage('Image1','','images/e-commrece-icon.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image2','','images/internet-marcketing-over.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image4','','images/web-development.jpg',1)
		MM_swapImgRestore()
	
		ID_1 = 0;
		ID_2 = 0;
		ID_3 = 1;
		ID_4 = 0;
	}
	else if(n.id == 'test4-header')
	{	
		MM_swapImage('Image1','','images/e-commrece-icon.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image2','','images/internet-marcketing-over.jpg',1)
		MM_swapImgRestore()
		MM_swapImage('Image3','','images/internet-marcketing.jpg',1)
		MM_swapImgRestore()
		
		ID_1 = 0;
		ID_2 = 0;
		ID_3 = 0;
		ID_4 = 1;
	}
	MM_swapImgRestore();
}

function collapse(n) {
cl($(n+'-content'));
cc($(n+'-header'),'');
}
