var ns4 = (navigator.appName == 'Netscape' && parseInt(navigator.appVersion) == 4);
var ns6 = (document.getElementById)? true:false;
var ie4 = (document.all)? true:false;

var overclr = '#FFFFFF';
var old_overclr = '#F7F2FA';
var outclr = '#ffffff';
var hoverclr = '#FFFFFF';
var old_hoverclr = '#F0E1FF';


function over(id)
 {
  var obj = getObj(id);
  //obj.borderColor = overclr;
  obj.backgroundColor = overclr;
 }

function out(id)
 {
  var obj = getObj(id);
  //obj.borderColor = outclr;
  obj.backgroundColor = outclr;
 }


function hover(id)
 {
  var obj = getObj(id);
  //obj.borderColor = overclr;
  obj.backgroundColor = hoverclr;
 }


function getObj(id)
 {
  if (ie4 || ns6)
   {
    return document.getElementById(id).style;
   }
  else if(ns4)
   {
    return document.layers[id];
  }
 }