var displaymode = 'always';
var enablefade = 'no';
var autohidebox = ['yes', 60];
var showonscroll = 'yes';
var IEfadelength = 1;
var Mozfadedegree = 0.05;

if (parseInt(displaymode) != NaN)
{
var random_num = Math.floor(Math.random() * displaymode);
}

function display_hover_prompt()
{
var ie = document.all && !window.opera;
var dom = document.getElementById;
var iebody = (document.compatMode == 'CSS1Compat') ? document.documentElement : document.body;
var objref = (dom) ? document.getElementById('Guest') : document.all.Guest;
var scroll_top = (ie) ? iebody.scrollTop : window.pageYOffset;
var docwidth = (ie) ? iebody.clientWidth : window.innerWidth;
var docheight = (ie) ? iebody.clientHeight: window.innerHeight;
var objwidth = objref.offsetWidth;
var objheight = objref.offsetHeight;
objref.style.left = docwidth/2-objwidth/2+'px';
objref.style.top = scroll_top+docheight/2-objheight/2+'px';

if (showonscroll == 'yes')
{
 var showonscrollvar = setInterval('static_hover_prompt()', 50);
}

if (enablefade == 'yes' && objref.filters)
{
 objref.filters[0].duration = IEfadelength;
 objref.filters[0].Apply();
 objref.filters[0].Play();
}

objref.style.visibility = 'visible';
if (objref.style.MozOpacity)
{
 if (enablefade == 'yes')
 {
  var mozfadevar = setInterval('mozilla_hover_prompt_fade()', 90);
 }
 else
 {
  objref.style.MozOpacity = 1;
  initiate_hover_prompt_hiding();
 }
}
else
{
 initiate_hover_prompt_hiding()
}
}

function mozilla_hover_prompt_fade()
{
if (parseFloat(objref.style.MozOpacity) < 1)
{
 objref.style.MozOpacity = parseFloat(objref.style.MozOpacity)+Mozfadedegree;
}
else
{
 clearInterval(mozfadevar);
 controlledhidebox();
}
}

function static_hover_prompt()
{
var ie = document.all && !window.opera;
var dom = document.getElementById;
var iebody = (document.compatMode == 'CSS1Compat') ? document.documentElement : document.body;
var objref = (dom) ? document.getElementById('Guest') : document.all.Guest;
var scroll_top = (ie) ? iebody.scrollTop : window.pageYOffset;
var docwidth = (ie) ? iebody.clientWidth : window.innerWidth;
var docheight = (ie) ? iebody.clientHeight: window.innerHeight;
var objwidth = objref.offsetWidth;
var objheight = objref.offsetHeight;
objref.style.top = scroll_top+docheight/3-objheight/2+'px';
}

function hide_hover_prompt()
{
var ie = document.all && !window.opera;
var dom = document.getElementById;
var iebody = (document.compatMode == 'CSS1Compat') ? document.documentElement : document.body;
var objref = (dom) ? document.getElementById('Guest') : document.all.Guest;
objref.style.visibility = 'hidden';
if (typeof showonscrollvar != 'undefined')
{
 clearInterval(showonscrollvar);
}
}

function initiate_hover_prompt_hiding()
{
if (autohidebox[0] == "yes")
{
 var delayvar = (enablefade == 'yes' && objref.filters) ? (autohidebox[1]+objref.filters[0].duration)*1000 : autohidebox[1]*1000;
 initiate_timer(delayvar);
 setTimeout('hide_hover_prompt()', delayvar);
}
}

function initiate_timer(time)
{
var newtime = time-1000;
setTimeout('update_timer('+newtime+')', 1000);
}

function update_timer(time)
{
var timer = time/1000;
var ie = document.all && !window.opera;
var dom = document.getElementById;
if (dom)
{
 var hp = document.getElementById('hptimer');
 if (timer == 1)
 {
  hp.innerHTML = "<small><i>C&#7917;a s&#7893; này s&#7869; &#273;óng trong vòng "+timer+" giây</i></small>";
 }
 else
 {
  hp.innerHTML = "<small><i>C&#7917;a s&#7893; này s&#7869; &#273;óng trong vòng "+timer+" giây</i></small>";
 }
}
var newtime = time-1000;
setTimeout('update_timer('+newtime+')', 1000);
}

function initiate_hover_prompt()
{
setTimeout('display_hover_prompt()', 100);
}

function get_cookie(Name)
{
var search = Name + "=";
var returnvalue = "";
if (document.cookie.length > 0)
{
 var offset = document.cookie.indexOf(search);
 if (offset != -1)
 {
  offset += search.length;
  var end = document.cookie.indexOf(';', offset);
  if (end == -1)
  {
   end = document.cookie.length;
  }
  returnvalue = unescape(document.cookie.substring(offset, end));
 }
}
return returnvalue;
}

if (displaymode == 'always' || parseInt(displaymode) != NaN && random_num == 0)
{
if (window.addEventListener)
{
 window.addEventListener('load', initiate_hover_prompt, false)
}
else if (window.attachEvent)
{
 window.attachEvent('onload', initiate_hover_prompt)
}
else if (document.getElementById)
{
 window.onload = initiate_hover_prompt;
 document.cookie = 'fadedin=yes';
}
}