/*-------------------------------------------------------------------------------
	*	FileName ; $common.js
	* Function : commmon utilies functions
	* CreatedDate : 01/02/2003
	* LastUpdate : 01/03/2003
-------------------------------------------------------------------------------*/
function scroll(id,total) {
	for(i=0;i<total;i++){
		if('faq_'+i==id){
			if (document.getElementById(id).style.display == 'none') 
				document.getElementById(id).style.display = ''
			else
				document.getElementById(id).style.display = 'none'
		}else{
				document.getElementById('faq_'+i).style.display = 'none'
		} 
	}
}

function stoperror(){ 
return true 
} 
window.onerror=stoperror 

//------------------------------------------------
// Function Name : LTrim 
// Actions : Remove left string.
//------------------------------------------------
function LTrim(Str) {
	return Str.replace(/^\s+/, '');
}

//------------------------------------------------
// Function Name : RTrim 
// Actions : Remove right space.
//------------------------------------------------
function RTrim(Str) {
	return Str.replace(/\s+$/, '');
}

//------------------------------------------------
// Function Name : Trim 
// Actions : Remove left&right space.
//------------------------------------------------
function Trim(Str) {
	return RTrim(LTrim(Str));
}

//------------------------------------------------
// Function Name : RemoveSpace 
// Actions : Remove left, right & all unwanted spaces inside a Str
//------------------------------------------------
function RemoveSpace(Str) {
	var str = Trim(Str).replace(/\s+/g, ' ');
	str = str.replace(/\s+[,]/g, ',');
	str = str.replace(/\s+[;]/g, ' ;');
	str = str.replace(/\s+[:]/g, ' :');
	return str.replace(/\s+[.]/g, '.');
}

//------------------------------------------------
// Function Name : AddSpace 
// Actions : Add some space to correct sentense
//------------------------------------------------
function AddSpace(Str) {
	var str = Str.replace(/\,/g, ', ');
	str = str.replace(/;/g, '; ');
	str = str.replace(/;/g, ' ;');
	str = str.replace(/\./g, '. ');
	str = str.replace(/\:/g, ' :');
	str = str.replace(/\:/g, ': ');
	str = RemoveSpace(str);
	return str;
}

//------------------------------------------------
// Function Name : TypingCheck 
// Actions : Check spell
//------------------------------------------------
function TypingCheck(Str) {
	var arrayStr = new Array();
	Str = AddSpace(Str);
	for (var i = 0; i < Str.length; i++) {
			arrayStr[i] = Str.charAt(i);
	}
	for (var i = 0; i < Str.length; i++) {
		if ( ( (isPeriod = (arrayStr[i] == '.')) || (arrayStr[i] == ',') || (arrayStr[i] == ';') )  && (i != Str.length - 1) ) {
			arrayStr[i+2] = isPeriod ? arrayStr[i+2].toUpperCase() : arrayStr[i+2].toLowerCase();
		}
	}
	arrayStr[0] = arrayStr[0].toUpperCase();
	var str = "";
	for (var i = 0; i < Str.length; i++) {
			str += arrayStr[i];
	}
	return str;
}
function checkSearch(f) {
	var keys;
	f.action = '';
	keys = Trim(f.k.value);
	if (keys!='')
		return true;
	else
		return false;
}
function checkSearchLibrary(f) {
	var keys;
	var keys_lower;
	var keys_upper;
	f.action = '';
	keys = Trim(f.k.value);
	if (keys!='') {
	 	f.k.value = keys;
		keys_lower = keys.toLowerCase();
		f.l.value = keys_lower;
		keys_upper = keys.toUpperCase();
		f.u.value = keys_upper;
		return true;
	}
	f.action = '';
	return false;
}
function checkSearchLibraryAll(f) {
	var keys;
	var keys_lower;
	var keys_upper;
	f.action = '';
	keys = Trim(f.k.value);
	if (keys!='') {
	 	f.k.value = keys;
		keys_lower = keys.toLowerCase();
		f.l.value = keys_lower;
		keys_upper = keys.toUpperCase();
		f.u.value = keys_upper;
		return true;
	}
	f.action = '';
	return false;
}
function checkNewsletter(f){
	if(isEmail(f.email.value)){
		window.open('newsletter.php?email='+f.email.value,'PopNewsLetter','width=350,height=60');
	}
	else{
		alert('Email không hợp lệ. Vui lòng kiểm tra lại !');
		f.email.focus();
	}
	return false;
}
function checkMail(f){
	if(isEmail(f.email.value)){
		window.open('mail2friend.php?email='+f.email.value,'PopEmail','width=350,height=60');
	}
	else{
		alert('Email không hợp lệ. Vui lòng kiểm tra lại !');
		f.email.focus();
	}
	return false;
}
	function setCookie(name,value){
		document.cookie = name + '=' + escape(value) +  ';path=/';
		return ;
	}
	function getCookie(name){
		var cname = name + '=';
		var dc = document.cookie;
		if (dc.length > 0) {
			var begin = dc.indexOf(cname);
			if (begin != -1) {
			begin += cname.length;
			var end = dc.indexOf(';', begin);
			if (end == -1) end = dc.length;
				return unescape(dc.substring(begin, end));
			}
		}
		return null;
	}
	
function GetYear() {
	var mydate=new Date()
	var year=mydate.getYear()
	if (year < 1000)
		year+=1900
	document.write (year)
}


function showMediaPlayer(link,width,height,play)
{
	var WMP7;
	try
	{
		if ( navigator.appName != "Netscape" )
		{
			WMP7 = new ActiveXObject('WMPlayer.OCX');
		}
	}
	catch (error)
	{
		;
	}
	var HTML = '';

	// Windows Media Player 7 Code
	
	if ( WMP7 )
	{
	HTML +=  ('<OBJECT height="'+height+'" width="'+width+'" classid="clsid:6BF52A52-394A-11d3-B153-00C04F79FAA6" VIEWASTEXT>');
	HTML +=  ('<PARAM NAME="URL" VALUE="'+link+'">');
	HTML +=  ('<PARAM NAME="rate" VALUE="1">');
	HTML +=  ('<PARAM NAME="balance" VALUE="0">');
	HTML +=  ('<PARAM NAME="ShowStatusBar" VALUE="False">');
	HTML +=  ('<PARAM NAME="ShowControls" VALUE="False">')
	HTML +=	 ('<PARAM NAME="ShowAudioControls" VALUE="False" />')
	HTML +=  ('<PARAM NAME="ShowPositionControls" value="False" />');
	HTML +=  ('<PARAM NAME="currentPosition" VALUE="0">');
	HTML +=  ('<PARAM NAME="defaultFrame" VALUE="">');
	HTML +=  ('<PARAM NAME="playCount" VALUE="999">');
	HTML +=  ('<PARAM NAME="autoStart" VALUE="'+play+'">');
	HTML +=  ('<PARAM NAME="currentMarker" VALUE="0">');
	HTML +=  ('<PARAM NAME="invokeURLs" VALUE="-1">');
	HTML +=  ('<PARAM NAME="baseURL" VALUE="">');
	HTML +=  ('<PARAM NAME="mute" VALUE="0">');
	HTML +=  ('<PARAM NAME="uiMode" VALUE="full">');
	HTML +=  ('<PARAM NAME="stretchToFit" VALUE="0">');
	HTML +=  ('<PARAM NAME="windowlessVideo" VALUE="1">');
	HTML +=  ('<PARAM NAME="enabled" VALUE="-1">');
	HTML +=  ('<PARAM NAME="enableContextMenu" VALUE="0">');
	HTML +=  ('<PARAM NAME="fullScreen" VALUE="0">');
	HTML +=  ('<PARAM NAME="SAMIStyle" VALUE="">');
	HTML +=  ('<PARAM NAME="SAMILang" VALUE="">');
	HTML +=  ('<PARAM NAME="SAMIFilename" VALUE="">');
	HTML +=  ('<PARAM NAME="captioningID" VALUE="">');
	HTML +=  ('<PARAM NAME="Volume" VALUE="100">');
	HTML +=  ('</OBJECT>');
	}

	// Windows Media Player 6.4 Code
	else
	{
		
	HTML +=  ('<OBJECT  classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95" ');
	HTML +=  ('codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715" ');
	HTML +=  ('width="'+width+'" height="'+height+'"');
	HTML +=  ('standby="Loading Microsoft Windows Media Player components..." ');
	HTML +=  ('type="application/x-oleobject" VIEWASTEXT> ');
	HTML +=  ('<PARAM NAME="FileName"           VALUE="'+link+'">');
	HTML +=  ('<PARAM NAME="TransparentAtStart" Value="false">');
	HTML +=  ('<PARAM NAME="AutoStart"          Value="false">');
	HTML +=  ('<PARAM NAME="AnimationatStart"   Value="false">');
	HTML +=  ('<PARAM NAME="ShowStatusBar" VALUE="True">');
	HTML +=  ('<PARAM NAME="ShowControls" VALUE="True">')
	HTML +=	 ('<PARAM NAME="ShowAudioControls" VALUE="True" />')
	HTML +=  ('<PARAM NAME="ShowPositionControls" value="True" />');
	HTML +=  ('<PARAM NAME="ShowDisplay"	 value ="false">');
	HTML +=  ('<PARAM NAME="playCount" VALUE="10">');
	HTML +=  ('<PARAM NAME="displaySize" 	 Value="0">');
	HTML +=  ('<PARAM NAME="Volume" VALUE="100">');
	HTML +=  ('<Embed type="application/x-mplayer2" ');
	HTML +=  ('pluginspage= ');
	HTML +=  ('"http://www.microsoft.com/Windows/MediaPlayer/" ');
	HTML +=  ('src="'+link+'" ');
	HTML +=  ('Name=MediaPlayer ');
	HTML +=  ('transparentAtStart=0 ');
	HTML +=  ('autostart=1 ');
	HTML +=  ('showstatusbar=1 ');
	HTML +=  ('showscontrols=1 ');
	HTML +=  ('playcount=10 ');
	HTML +=  ('volume=100');
	HTML +=  ('animationAtStart=0 ');
	HTML +=  ('width="'+width+'" height="'+height+'"');	
	HTML +=  ('></embed> ');
	HTML +=  ('</OBJECT> ');
	}	
		
	return HTML;	
}



function DateDisplay() {
	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 dayarray=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday")
		var montharray=new Array("January","February","March","April","May","June","July","August","September","October","November","December")
		document.write(dayarray[day]+", "+montharray[month]+" "+daym+", "+year)
}
	function getCategoryName(id){
		var i;
		for(i=0;i<Tree.length;i++){
			var arrElement = Tree[i].split('|');
			if(arrElement[0]==id){
				return arrElement[2];
			}
		}
		return 'Products';
	}
	function getCategoryName4member(id){
		var i;
		for(i=0;i<Tree4member.length;i++){
			var arrElement = Tree4member[i].split('|');
			if(arrElement[0]==id){
				return arrElement[2];
			}
		}
		return '';
	}
	function instantStr(str){
		var imax = str.length;
		var str_new = '';
		for(var i=0;i<str.length;i++){
			str_new += str.charAt(i)+'&nbsp;'; 
		}
		return str_new;
	}
	function getTopicName(id){
		var i;
		for(i=0;i<arr_document_topic.length;i++){
			if(arr_document_topic[i][0]==id) return arr_document_topic[i][1];
		}
		return 'N/A';
	}
	function setCookie(name,value){
		document.cookie = name + '=' + escape(value) +  ';path=/';
		return ;
	}
	function getCookie(name){
		var cname = name + '=';
		var dc = document.cookie;
		if (dc.length > 0) {
			var begin = dc.indexOf(cname);
			if (begin != -1) {
			begin += cname.length;
			var end = dc.indexOf(';', begin);
			if (end == -1) end = dc.length;
				return unescape(dc.substring(begin, end));
			}
		}
		return null;
	}	
	
function addItems_MutiSelect(fromCtrl, toCtrl) {
var i;
var j;
var itemexists;
var nextitem;

// step through all items in fromCtrl
for (i = 0; i < fromCtrl.options.length; i++) {
 if (fromCtrl.options[i].selected) {
  // search toCtrl to see if duplicate
  j = 0;
  itemexists = false;
  while ((j < toCtrl.options.length) && (!(itemexists))) {
   if (toCtrl.options[j].value == fromCtrl.options[i].value) {
    itemexists = true;
    alert(fromCtrl.options[i].value + " found!");
   }
   j++;
  }
  if (!(itemexists)) {
   // add the item
   nextitem = toCtrl.options.length;
   toCtrl.options[nextitem] = new Option(fromCtrl.options[i].text);
   toCtrl.options[nextitem].value = fromCtrl.options[i].value;
  }
 }
}
}

function removeItems_MutiSelect(fromCtrl) {
var i = 0;
var j;
var k = 0;

while (i < (fromCtrl.options.length - k)) {
 if (fromCtrl.options[i].selected) {
  // remove the item
  for (j = i; j < (fromCtrl.options.length - 1); j++) {
   fromCtrl.options[j].text = fromCtrl.options[j+1].text;
   fromCtrl.options[j].value = fromCtrl.options[j+1].value;
   fromCtrl.options[j].selected = fromCtrl.options[j+1].selected;
  }
  k++;
 } else {
  i++;
 }
}
for (i = 0; i < k; i++) {
 fromCtrl.options[fromCtrl.options.length - 1] = null;
}
}