// JavaScript Document

 function ShowHideTableAll(boolShow)
 {
  var strShow;
  if(boolShow==true)
   strShow="block";
  else
   strShow="none";
   
  
  document.getElementById("tbHOne").style.display=strShow; 
  document.getElementById("tbHTwo").style.display=strShow;
  document.getElementById("tbHThree").style.display=strShow;
  document.getElementById("tbHFour").style.display=strShow;
  
 }
 function ShowHideTable(obj)
 {
  if(document.getElementById("tb" + obj.id).style.display=="none")
   document.getElementById("tb" + obj.id).style.display="block";
  else
   document.getElementById("tb" + obj.id).style.display="none";
 
  return false;
 }