function randomImage()
{
  var r,c,m;
	m = 12;
  c = readCookie("random");
  r = Math.floor(Math.random()*m)+1;
	if (r == c) 
	{
	r = r + 1;
	if (r > m) {r = 1};
  }
	document.write('<IMG SRC=../images/rnd'+r+'.gif align="top">');
  createCookie("random",r);
}

function displayDate()
{
  var d = new Date();
  document.write(d.toDateString()); 
}

function createCookie(name,value)
{
  var argv=arguments;
  var argc=arguments.length;
  var expires=(argc>2) ? argv[2] : null;
  var path=(argc>3) ? argv[3] : null;
  var domain=(argc>4) ? argv[4] : null;
  var secure=(argc>5) ? argv[5] : false;
  document.cookie=name+"="+escape(value) +
    ((expires === null) ? "" : ("; expires="+expires.toUTCString())) +
    ((path === null) ? "" : ("; path="+path)) +
    ((domain === null) ? "" : ("; domain="+domain)) +
    ((secure === true) ? "; secure" : "");
}

function readCookie(name)
{
  var arg=name+"=";
  var alen=arg.length;
  var clen=document.cookie.length;
  var i=0;
  while (i<clen) {
    var j=i+alen;
    if (document.cookie.substring(i,j) == arg) {
      return EatCookieVal(j);
      }
    i=document.cookie.indexOf(" ",i) + 1;
    if (i === 0) {break;}
    }
}

function EatCookieVal(offset)
{
  var endstr=document.cookie.indexOf(";",offset);
  if (endstr == -1) {endstr=document.cookie.length;}
  return unescape(document.cookie.substring(offset,endstr));
}