var iset=0;
function setNshow_0() {
	document.getElementById('picN01').style.display='';
	document.getElementById('setN01').className='setNum';
	
	document.getElementById('picN02').style.display='none';
	document.getElementById('setN02').className='setNum_';
	
	document.getElementById('picN03').style.display='none';
	document.getElementById('setN03').className='setNum_';
	
	document.getElementById('picN04').style.display='none';
	document.getElementById('setN04').className='setNum_';
	iset=1;
	return;
}




function setNshow_1() {
	document.getElementById('picN01').style.display='none';
	document.getElementById('setN01').className='setNum_';
	
	document.getElementById('picN02').style.display='';
	document.getElementById('setN02').className='setNum';
	
	document.getElementById('picN03').style.display='none';
	document.getElementById('setN03').className='setNum_';
	
	document.getElementById('picN04').style.display='none';
	document.getElementById('setN04').className='setNum_';
	iset=2;
	return;
}




function setNshow_2() {
	document.getElementById('picN01').style.display='none';
	document.getElementById('setN01').className='setNum_';
	
	document.getElementById('picN02').style.display='none';
	document.getElementById('setN02').className='setNum_';
	
	document.getElementById('picN03').style.display='';
	document.getElementById('setN03').className='setNum';
	
	document.getElementById('picN04').style.display='none';
	document.getElementById('setN04').className='setNum_';
	iset=3;
	return;
}




function setNshow_3() {
	document.getElementById('picN01').style.display='none';
	document.getElementById('setN01').className='setNum_';
	
	document.getElementById('picN02').style.display='none';
	document.getElementById('setN02').className='setNum_';
	
	document.getElementById('picN03').style.display='none';
	document.getElementById('setN03').className='setNum_';
	
	document.getElementById('picN04').style.display='';
	document.getElementById('setN04').className='setNum';
	iset=0;
	return;
}

/*×Ô¶¯±ä»»Í¼Ïó*/
function selectshow()
{
	if (iset==0)
	{
		iset=1;
		setNshow_0();
		return;
	}
	if (iset==1)
	{
		iset=2;
		setNshow_1();
		return;
	}
	if (iset==2)
	{
		iset=3;
		setNshow_2();
		return;
	}
	if (iset==3)
	{
		iset=0;
		setNshow_3();
		return;
	}
}