/***********************************************
* Gradual Highlight image script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var baseopacity=30

function slowhigh(which2){
imgobj=which2
browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : ""
instantset(baseopacity)
highlighting=setInterval("gradualfade(imgobj)",50)
}

function slowlow(which2){
cleartimer()
instantset(baseopacity)
}

function instantset(degree){
if (browserdetect=="mozilla")
imgobj.style.MozOpacity=degree/100
else if (browserdetect=="ie")
imgobj.filters.alpha.opacity=degree
}

function cleartimer(){
if (window.highlighting) clearInterval(highlighting)
}

function gradualfade(cur2){
if (browserdetect=="mozilla" && cur2.style.MozOpacity<1)
cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.1, 0.99)
else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=10
else if (window.highlighting)
clearInterval(highlighting)
}


function setCookie (name, value, lifespan, access_path) {
var cookietext = name + "=" + escape(value) 
if (lifespan != null) { 
  var today=new Date() 
  var expiredate = new Date() 
  expiredate.setTime(today.getTime() + 1000*60*60*24*lifespan)
  cookietext += "; expires=" + expiredate.toGMTString()
}
if (access_path != null) { 
  cookietext += "; PATH="+access_path 
}
document.cookie = cookietext 
return null 
}


function setDatedCookie(name, value, expire, access_path) {
var cookietext = name + "=" + escape(value) 
   + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()))
if (access_path != null) { 
  cookietext += "; PATH="+access_path 
}
document.cookie = cookietext 
return null 
}


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


function deleteCookie(Name, Path) {
	setCookie(Name,"Deleted", -1, Path)
}

function my_get(id) {
	var tag = null;
	if (document.getElementById) {
		tag = document.getElementById(id);
	} else if (document.all) {
		tag = document.all[id];
	} else if (document.layers) {
		tag = document.layers[id];
	}
	return tag;
}


function show_hide(id) {
	var item = my_get(id);
	if (!item) {
	// do nothing
	} else if (item.style) {
		if (item.style.display == "none") {
			item.style.display = "";
			setCookie ("SH"+id, "show", 365, '/');
		} else {
			item.style.display = "none";
			setCookie ("SH"+id, "hide", 365, '/');			
		}
	} else {
		item.visibility = "show";
	}
}

function showhide(id) {
	var item = my_get(id);
	if (!item) {
	// do nothing
	} else if (item.style) {
		if (item.style.display == "none") {
			item.style.display = "";
		} else {
			item.style.display = "none";
		}
	} else {
		item.visibility = "show";
	}
}

var dayarray=new Array("Ch&#7911; nh&#7853;t","Th&#7913; hai","Th&#7913; ba","Th&#7913; t&#432;","Th&#7913; n&#259;m","Th&#7913; s&aacute;u","Th&#7913; b&#7843;y")
var montharray=new Array("01","02","03","04","05","06","07","08","09","10","11","12")
function getthedate(){
	var mydate=new Date()
	var year=mydate.getYear()
	if (year < 1000)
		year+=1900
	var day=mydate.getDay()
	var month=mydate.getMonth()
	var daym=mydate.getDate()
	if (daym<10)
		daym="0"+daym
	var hours=mydate.getHours()
	var minutes=mydate.getMinutes()
	var seconds=mydate.getSeconds()
	var dn="AM"
	if (hours>=12)
		dn="PM"
	if (hours>12){
		hours=hours-12
	}
{
 d = new Date();
 Time24H = new Date();
 Time24H.setTime(d.getTime() + (d.getTimezoneOffset()*60000) + 3600000);
 InternetTime = Math.round((Time24H.getHours()*60+Time24H.getMinutes()) / 1.44);
 if (InternetTime < 10) InternetTime = '00'+InternetTime;
 else if (InternetTime < 100) InternetTime = '0'+InternetTime;
}

if (hours==0)
	hours=12
if (minutes<=9)
	minutes="0"+minutes

if (seconds<=9)
	seconds="0"+seconds
	//change font size here
	var cdate=dayarray[day]+", "+daym+"."+montharray[month]+"."+year+" "+hours+":"+minutes+":"+seconds+" "+dn+""
	if (document.all)
		document.all.clock.innerHTML=cdate
	else if (document.getElementById)
		document.getElementById("clock").innerHTML=cdate
	else
		document.write(cdate)
}
if (!document.all&&!document.getElementById)
	getthedate()

function goforit(){
	if (document.all||document.getElementById)
		setInterval("getthedate()",1000)
}

function log_out()
{
	ht = document.getElementsByTagName("html");
	ht[0].style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm('Ban co chac muon thoat ra?'))
	{
		return true;
	}
	else
	{
		ht[0].style.filter = "";
		return false;
	}
}