var PrefGet,PostGet,PostStyle,Br;

if (document.all)
 {PrefGet = '';
  PostGet = '';
  PostStyle = '.style.';
  Br=1;}
else
 {if (document.layers)
  {PrefGet = 'document.';
  PostGet = '';
  PostStyle = '.'; 
  Br=2;}
 else 
  {PrefGet = 'document.getElementById("';
  PostGet = '")';
  PostStyle = '.style.';
  Br=0}}

function GetNumbVal(obj,elem)
{
rv = eval('parseInt('+PrefGet+obj+PostGet+PostStyle+elem+')');
return rv;}

function GetVal(obj,elem)
{
rv = eval(PrefGet+obj+PostGet+PostStyle+elem);
return rv;}

function GetDirVal(obj,elem)
{
rv = eval(PrefGet+obj+PostGet+'.'+elem);
return rv;}

function SetDirVal(obj,elem,val)
{
eval(PrefGet+obj+PostGet+'.'+elem+' = '+val);}

function SetDirQVal(obj,elem,val)
{
eval(PrefGet+obj+PostGet+'.'+elem+' = "'+val+'"');}

function SetVal(obj,elem,val)
{
eval(PrefGet+obj+PostGet+PostStyle+elem+' = '+val);}