function display_and_hidden(id,obj)
{
  if(event.srcElement==obj)
  {
	

	//alert("sa"+id_num+"dsa");
	var menu_one_str = 'pnode_one_';
	var menu_two_str = 'menu_two_';
	
	var id_num = id.replace(menu_one_str,"");
	var t_or_f = id.indexOf(menu_one_str);
	if(t_or_f != '-1')
	{	
	//alert(1);
		var menu_two = document.getElementById('pnode_two_'+id_num);
		if(menu_two.style.display == 'none')
		{
			menu_two.style.display = '';
		}
		else
		{
			menu_two.style.display = 'none';
		}
	}
	
	id_num = id.replace(menu_two_str,"");
	t_or_f = id.indexOf(menu_two_str);
	if(t_or_f != '-1')
	{
	//alert(2);
	//alert(id_num);
		var menu_three = document.getElementById('pnode_three_'+id_num);
		//alert(menu_three);
		//alert('pnode_three_'+id_num);
		if(menu_three.style.display == 'none')
		{
			menu_three.style.display = '';
		}
		else
		{
			menu_three.style.display = 'none';
		}
	}
	
	
  }
}
// JavaScript Document