var prev; 
  
  function hm(co){
    var obj = co.parentNode.getElementsByTagName('ul');
    obj = obj[0];
    if((obj.style.display == 'none') || (obj.style.display == '')) {
      obj.style.display = 'block';
    } else {obj.style.display = 'none'; }
  
  }

  function classes(){
    var tr;
    try{
      tr=document.getElementsByTagName("tr");
      for (var i = 0; i < tr.length; i++) {
        if(i%2 == 0){tr[i].className="pair";}
      }
    }catch(e){;}
  }

  function showPic(anchor){
    window.open(anchor.href,'_blank','height=320,width=420,left=100,top=100,resizable=yes,scrollbars=no,status=no,toolbar=no');
  }