// JavaScript Document
	
	function zcfg(id)
	{
		if(id==1)
		{
		   
		   document.getElementById('x1').className = 'zcfg1';
		   document.getElementById('x2').className = 'zyzs1';
		   document.getElementById('x3').className = 'zyjstj1';
		   
		   document.getElementById('zcfg1').style.display='block';
		   document.getElementById('zyzs1').style.display='none';
		   document.getElementById('zytj1').style.display='none';
		      
		   
		}
      else  if(id==2)
		{
		   document.getElementById('x1').className = 'zcfg2';
		   document.getElementById('x2').className = 'zyzs2';
		   document.getElementById('x3').className = 'zyjstj1';
		   
		    document.getElementById('zcfg1').style.display='none';
		   document.getElementById('zyzs1').style.display='block';
		   document.getElementById('zytj1').style.display='none';
	
		   
		}
           else
		{
		   document.getElementById('x1').className = 'zcfg2';
		   document.getElementById('x2').className = 'zyzs1';
		   document.getElementById('x3').className = 'zyjstj2';
		   
		   document.getElementById('zcfg1').style.display='none';
		   document.getElementById('zyzs1').style.display='none';
		   document.getElementById('zytj1').style.display='block';

		   
		}
	}
	
	
	
function yndt(id)
	{
		if(id==1)
		{
		   
		   document.getElementById('x11').className = 'yndt1';
		   document.getElementById('x21').className = 'zxdt2';
		   
		   document.getElementById('y11').style.display='block';
		   document.getElementById('y21').style.display='none';
		   
		   document.getElementById('z11').style.display='block';
		   document.getElementById('z21').style.display='none';
  
		}
      else  
		{
		   document.getElementById('x11').className = 'yndt2';
		   document.getElementById('x21').className = 'zxdt1';
		   
		   
		   document.getElementById('y11').style.display='none';
		   document.getElementById('y21').style.display='block';
		   
		   document.getElementById('z11').style.display='none';
		   document.getElementById('z21').style.display='block';

		}
	}