function cdata(id){
if(document.getElementById(id)){
if(document.getElementById('cdata0')){document.getElementById('cdata0').style.display="none";}
if(document.getElementById('cdata1')){document.getElementById('cdata1').style.display="none";}
if(document.getElementById('cdata2')){document.getElementById('cdata2').style.display="none";}
if(document.getElementById('cdata3')){document.getElementById('cdata3').style.display="none";}
if(document.getElementById('cdata4')){document.getElementById('cdata4').style.display="none";}
if(document.getElementById('cdata5')){document.getElementById('cdata5').style.display="none";}
if(document.getElementById('cdata6')){document.getElementById('cdata6').style.display="none";}
if(document.getElementById('cdata7')){document.getElementById('cdata7').style.display="none";}
if(document.getElementById('cdata8')){document.getElementById('cdata8').style.display="none";}
if(document.getElementById('cdata9')){document.getElementById('cdata9').style.display="none";}
if(document.getElementById(id).style.display == "none"){document.getElementById(id).style.display="block";}
}
}
cdata('cdata0');