var open_id="";
var open_subid="";
var open_padid="";
var el_id="";
function din_menu(id) 
{
	if (document.getElementById(id).style.display=='none')
	{
		document.getElementById(id).style.display='block';		
	}
	else
	{
		document.getElementById(id).style.display='none';				
	}
}
function change_class(id, sub_id, inactive_style, active_style, pad_id)
{
	 if (document.getElementById(id).className==inactive_style)
	{		
    document.getElementById(id).className=active_style;		
	}
	else
	{	  
		document.getElementById(id).className=inactive_style;		
	}
	
if(sub_id!="")
{
  if (open_id!="" && open_id!=id)
  { 
    document.getElementById(open_id).className=inactive_style;
    open_id=id; 
  }
  else
  {
     open_id=id; 
  }
  
  if (open_subid!="" && open_subid!=sub_id)
  { 
    if(document.getElementById(open_subid).style.display=='block')
    {
       din_menu(open_subid);
    }
    open_subid=sub_id; 
  }
  else
  {
     open_subid=sub_id;  
  }
}
if (open_padid!="" && pad_id!="")
  { 
    document.getElementById(pad_id).style.backgroundColor='#e8f3f7';
    document.getElementById(open_padid).style.backgroundColor='transparent';
    open_padid=sub_id; 
  }
  else if(pad_id!="")
  {
     document.getElementById(pad_id).style.backgroundColor='#e8f3f7';
     open_padid=pad_id;  
  }
}