function ClassSelect(index,n,bz)
{
	if(n==0)
	{
		eval("ClassTitle"+index+"0.className='index-n"+bz+"by-xxk1'");
		eval("ClassTitle"+index+"1.className='index-n"+bz+"by-xxk2'");
		eval("InfoBox_"+index+"0.style.display=''");
		eval("InfoBox_"+index+"1.style.display='none'");
	}
	else
	{
		eval("ClassTitle"+index+"0.className='index-n"+bz+"by-xxk2'");
		eval("ClassTitle"+index+"1.className='index-n"+bz+"by-xxk1'");
		eval("InfoBox_"+index+"0.style.display='none'");
		eval("InfoBox_"+index+"1.style.display=''");
	}

}