function setcl(val) 
{
if (val.value==0)
{
if(val.name=='s1'){document.getElementById('ds2').innerHTML='<div id="ds3"></div>';}
if(val.name=='s2'){document.getElementById('ds3').innerHTML='';}
}
else
{
 if(val.name!='s3')
 {
 JsHttpRequest.query(
  'http://www.mirknig.torgall.ru/d/setcl.php',
  {
   // pass a text value 
    'name': val.name,
     'val': val.value
  },
  function(result, errors) {
  document.getElementById(result['div']).innerHTML=result['val'];
    },
    false
   );
  }
 }
}