function setCookie(c_name, value, expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function playIntroAudio()
{
  audioCookie = getCookie('introaudio');
  
  if ( audioCookie == null || audioCookie != 'played' )
  {
    setCookie('introaudio', 'played', 7);
	document.write('<object width="125" height="42">');
    document.write('<param name="src" value="http://www.astleyhire.co.uk/sound/astley-hire-intro.mp3">');
    document.write('<param name="autoplay" value="true">');
    document.write('<param name="controller" value="true">');
    document.write('<param name="bgcolor" value="#FFFFFF">');
    document.write('<embed src="http://www.astleyhire.co.uk/sound/astley-hire-intro.mp3" autostart="true" loop="false" width="125" height="42" controller="true" bgcolor="#FFFFFF"></embed>');
    document.write('</object>');
  }
}