function checkAll(formName, state) 
{
	var cb = document.forms[formName].getElementsByTagName("input");

  	for (var i = 0; i < cb.length; i++)
  	{
  		if (cb[i].type == "checkbox")
  		{
  			cb[i].checked = state;
  		}
  	}
  	
}

function checkAllById(id, state) 
{
	var cb = document.getElementById(id).getElementsByTagName("input");

  	for (var i = 0; i < cb.length; i++)
  	{
  		if (cb[i].type == "checkbox")
  		{
  			cb[i].checked = state;
  		}
  	}
  	
}