function secBoard(n) 
	{ 
	var d=document.getElementById('Bao_'+n);
	var v=document.getElementById('BK-'+n);
	  for (var j=0;j<4;j++)
	    {
	      if(j==n) {v.className="sec2";d.style.display='';}
	      else {document.getElementById('BK-'+j).className="sec1";document.getElementById('Bao_'+j).style.display='none';}
	    }
	
	} 
function Board(n) 
{ 
var d=document.getElementById('Te_'+n);
var v=document.getElementById('TC-'+n);
  for (var j=0;j<4;j++)
    {
      if(j==n) {v.className="sc2";d.style.display='';}
      else {document.getElementById('TC-'+j).className="sc1";document.getElementById('Te_'+j).style.display='none';}
    }

} 
function srcBord(n) 
{ 
var d=document.getElementById('JH_'+n);
var v=document.getElementById('Nian_'+n);
  for (var j=0;j<2;j++)
    {
      if(j==n) {v.className="gif2";d.style.display='';}
      else {document.getElementById('Nian_'+j).className="gif1";document.getElementById('JH_'+j).style.display='none';}
    }

} 
function cart(n) 
{ 
var d=document.getElementById('Art_'+n);
var v=document.getElementById('AT_'+n);
  for (var j=0;j<2;j++)
    {
      if(j==n) {v.className="gif2";d.style.display='';}
      else {document.getElementById('AT_'+j).className="gif1";document.getElementById('Art_'+j).style.display='none';}
    }

}