var an=0;	
function next()
{
	var pi=3.141592653589, d, l, t, f;
	an++;	
	if (an<=35)
	{
		d=(Math.cos((an*pi)/35)+1)/2;
		l=d*0+(1-d)*-400;
		t=d*0+(1-d)*0;
		f=document.getElementById('frm');
		f.style.marginLeft=l+'px';
		f.style.marginTop=t+'px';
		if (an<35) window.setTimeout('next()',10);
	}
	else
	if (an==36)
	{
		var tmp=document.getElementById('a1').src;
		document.getElementById('a1').src='';
		document.getElementById('a1').src=tmp;
		document.getElementById('a1').style.visibility='visible';
	}
	else
	if (an<=71)
	{
	
		d=(Math.cos(((an-36)*pi)/35)+1)/2;
		l=d*-400+(1-d)*0;
		t=d*0+(1-d)*-269;
		f=document.getElementById('frm');
		f.style.marginLeft=l+'px';
		f.style.marginTop=t+'px';
		window.setTimeout('next()',10);				
	}
	else
	if (an<90)
	{
		window.setTimeout('next()',10);
	}
	else
	if (an==90)
	{
		var tmp=document.getElementById('a2').src;
		document.getElementById('a2').src='';
		document.getElementById('a2').src=tmp;
		document.getElementById('a2').style.visibility='visible';
	}
	else
	if (an<=126)
	{
		d=(Math.cos(((an-91)*pi)/35)+1)/2;
		l=d*0+(1-d)*-400;
		t=d*-269+(1-d)*-269;
		f=document.getElementById('frm');
		f.style.marginLeft=l+'px';
		f.style.marginTop=t+'px';
		if (an<126)
		{
			window.setTimeout('next()',10);
		}
		else
		{
			document.getElementById('nbt').innerHTML='Play Again';
		}
	}
	else
	if (an<=162)
	{
		d=(Math.cos(((an-127)*pi)/35)+1)/2;
		l=d*-400+(1-d)*0;
		t=d*-269+(1-d)*0;
		f=document.getElementById('frm');
		f.style.marginLeft=l+'px';
		f.style.marginTop=t+'px';
		window.setTimeout('next()',10);
	}
	else
	{
		an=0;
		document.getElementById('nbt').innerHTML='Next';
		document.getElementById('a1').style.visibility='hidden';
		document.getElementById('a2').style.visibility='hidden';
	}
}