function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf("-")
	var pos2=dtStr.indexOf("-",pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("Bạn phải nhập ngày theo dạnh : dd-mm-yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Bạn nhập sai tháng")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Bạn nhập sai ngày")
		return false
	}
	if (strYear.length != 4 || year==0 || year<1900 || year>2100){
		alert("Nhập vào năm có giá trị giữa: "+1900+" and "+2100)
		return false
	}
	if (dtStr.indexOf("-",pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, "-"))==false){
		alert("Nhập ngày không chính xác")
		return false
	}
return true
}
function go(form) 
{
	var URL = form.selectmenu.value;
	if ( URL != "")
	{
		window.open(URL, '_blank');
		return false;
	}
	else
		return false;
}

function go1(form) 
{
	var URL = form.selectmenu0.value;
	if ( URL != "")
	{
		window.open(URL, '_blank');
		return false;
	}
	else
		return false;
}

function submitform()
{
	var strFullname = this.frmContact.txtFullname.value;
	var strPhone = this.frmContact.txtPhone.value;
	var strEmail = this.frmContact.txtEmail.value;
	var strPass = this.frmContact.txtPass.value;
	var strRepass = this.frmContact.txtRePass.value;
	var strContent = this.frmContact.txtcontent.value;
	var strCompany = this.frmContact.txtComname.value;
	
	if ( strEmail == '')
	{
		alert('Bạn chưa nhập email!');
		this.frmContact.txtEmail.focus();
		return false;
	}
	else if ( !emailCheck(strEmail))
	{
		alert('email của bạn không hợp lệ');
		this.frmContact.txtEmail.focus();
		return false;
	}
	else if ( strPass == '')
	{
		alert('Bạn chưa nhập mật khẩu');
		this.frmContact.txtPass.focus();
		return false;
	}
	else if (strRepass == '')
	{
		alert('Bạn cần xác nhập mật khẩu!');
		this.frmContact.txtRePass.focus();
		return false;
	}
	else if (strRepass != strPass)
	{
		alert('Bạn cần xác nhập mật khẩu!');
		this.frmContact.txtRePass.focus();
		return false;
	}
	else if(strCompany == '')
	{
		alert('Bạn cần phải nhập tên công ty!');
		this.frmContact.txtComname.focus();
		return false;
	}
	else if (( strFullname == '') )
	{
		alert('Bạn chưa nhập tên người liên hệ!');
		this.frmContact.txtFullname.focus();
		return false;
	}
	else if ( (strPhone == '') )
	{
		alert('Bạn chưa nhập số điện thoại!');
		this.frmContact.txtPhone.focus();
		return false;
	}
	else if ( (strContent == '') )
	{
		alert('Bạn chưa nhập nội dung cần liên hệ!');
		this.frmContact.txtcontent.focus();
		return false;
	}
	var bol = confirm('Bạn thực sự muốn gửi thông tin này cho chúng tôi?');
	if(bol)
	{
		return true;
	}
	else
	{
	return false;
	}
	
}

function resetform()
{
	this.frmContact.txtFullname.value = "";
	this.frmContact.txtadd.value = "";
	this.frmContact.txtPhone.value = "";
	this.frmContact.txtEmail.value = "";
	this.frmContact.txtcontent.value = "";
	this.frmContact.txtFullname.focus();
	return false;
}

function hienmenu(id)
{
	ctrl = document.getElementById(id);
	if (ctrl.style.display == "")
		ctrl.style.display = "none";
	else
		ctrl.style.display = "";
}

function Scroller_onmouseover(id)
{
	id.scrollAmount =0;
}

function Scroller_onmouseout(id)
{
	id.scrollAmount =1;
}
//Change values scroll bar DIV
//BEGIN
function checkSugSubmit()
{
	var myFrm = document.suggestionFrm;
	if(myFrm.yourName.value == '')
	{
		alert('Ban vui long cho biet ten cua ban!');
		myFrm.yourName.focus();
		return false;
	}
	if(!isEmail(myFrm.yourEmail.value))
	{
		alert('Ban vui long kiem tra lai dia chi email cua ban');
		myFrm.yourEmail.focus();
		return false;
	}
	return true;
}

function changeScrollBar(objId, direct)
{
	var curScrollPos = getObjectById(objId).scrollTop
	getObjectById(objId).scrollTop = curScrollPos + 20*(direct);
	return;
}

function getObjectById(id) 
{
	var obj = null;
	if( document.getElementById )
		obj = document.getElementById( id );
	else if( document.all )
		obj = document.all[id];
	else
		obj = document.layer[id];
	return obj;
}
// END

function addToFavorite()
{
	var pageTitle = document.title;
	var pageUrl = location.href;
	window.external.addFavorite(pageUrl, pageTitle);
}

function show_popup_info(duongdan,pid,c_rong,c_cao)
{
	window.open( duongdan + pid,"my_new_window","location: yes, status=no, menubar=yes ,scrollbars=yes, resizable=yes, copyhistory=yes, width="+ c_rong +", height="+c_cao);
	return false;
}

var SESSIONURL = "";
var IMGDIR_MISC = "images";
function Scroller_onmouseover(id)
{
	id.scrollAmount =0;
}

function Scroller_onmouseout(id)
{
	id.scrollAmount =1;
}

function switchDisplay(id)
{
	ctrl = document.getElementById(id);
		
	if (ctrl.style.display == "")
	{
		//if(mainimage.name != '')
		//{
			//mainimage.src = "images/plus.gif";
			ctrl.style.display = "none";
		//}
	}
	else
	{
		//if(mainimage.name != '')
		//{
			ctrl.style.display = "";
			//mainimage.src="images/minus.gif";
		//}
	}	
	//Close all other menu items
	var catids = document.getElementById('catids');
	catids = catids.value.split(",");
	var len = catids.length;
	for(var i=0;i<len;i++)
		if(catids[i]!=id)
		{
			menuItem = document.getElementById(catids[i]);
			menuItem.style.display="none";
			//menuImageItem = document.getElementById("img"+catids[i]);
			//menuImageItem.src = "images/plus.gif";
		}
}
function switchDisplayMenu(id)
{
	ctrl = document.getElementById(id);
		
	if (ctrl.style.display == "")
	{
		//if(mainimage.name != '')
		//{
			//mainimage.src = "images/plus.gif";
			ctrl.style.display = "none";
		//}
	}
	else
	{
		//if(mainimage.name != '')
		//{
			ctrl.style.display = "";
			//mainimage.src="images/minus.gif";
		//}
	}	
	//Close all other menu items
	var menucatids = document.getElementById('menucatids');
	menucatids = menucatids.value.split(",");
	var menulen = menucatids.length;
	for(var i=0;i<menulen;i++)
		if(menucatids[i]!=id)
		{
			menuItem = document.getElementById(menucatids[i]);
			menuItem.style.display="none";
			//menuImageItem = document.getElementById("img"+catids[i]);
			//menuImageItem.src = "images/plus.gif";
		}
		else if(menucatids[i] == '')
		{
			ctrl.style.display="none";
		}
}

function Scroller_onmouseover(id)
{
	id.scrollAmount =0;
}

function Scroller_onmouseout(id)
{
	id.scrollAmount =1;
}

function emailCheck (emailStr) {
	
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}
	
	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
    	return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
		  	if (IPArray[i]>255) {
		  		return false
		  	}
		}
	   return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false

	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
   	return false
	}

	if (len<2) {
	   return false
	}
	
	return true;
}
function go(form) 
{
	var URL = form.selectmenu.value;
	if ( URL != "")
	{
		window.open(URL, '_blank');
		return false;
	}
	else
		return false;
}

function hienmenu(id)
{
	ctrl = document.getElementById(id);
	if (ctrl.style.display == "")
		ctrl.style.display = "none";
	else
		ctrl.style.display = "";
}

function show_layer(lname, flag)
{
  var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
  if (lname == '')
    return;
  if (navigator.appName == 'Netscape')
    layer.visibility = (flag == 0) ? 'show' : 'hidden';
  else
    layer.style.visibility = (flag == 0) ? 'visible' : 'hidden';
}


function AdFindObjectID(idName)
{
	return document.getElementById(idName);
}
function AdFindObjectName(strName)
{
	return document.getElementsByName(strName);
}
function SetBlockAdWebServer(strName,intTabLength)
{
	try
	{
		var strDivName = strName.substring(0,strName.length-2);
		var AdDiv = AdFindObjectID(strDivName);
		for (var i = 1; i <= intTabLength; i++)
		{
			var stri = strDivName;
			if (i<10) 
				stri = strDivName+'0'+i;
			else 
				stri = strDivName+i;
			AdFindObjectID(stri).className = "tabgrey";
		}
		var strfile = AdFindObjectID(strName).headers;
		AdFindObjectID(strName).className = "tabgreen";
		AdDiv.innerHTML = AdGenerateHTML('/AdTest/XML/ad' + strfile + '.xml','/AdTest/XSLT/ad' + strfile + '.xsl');
	}
	catch(ex){}
}
function SetBlockAdWebClient(strName,intTabLength)
{
	try
	{
		var strDivName = strName.substring(0,strName.length-2);
		for (var i = 1; i <= intTabLength; i++)
		{
			var stri = strDivName;
			if (i<10) 
				stri = strDivName+'0'+i;
			else 
			stri = strDivName+i;
			AdFindObjectID(stri).className = "tabgrey";
			AdFindObjectID(AdFindObjectID(stri).headers).style.display = "none";
		}
		AdFindObjectID(strName).className = "tabgreen";
		AdFindObjectID(AdFindObjectID(strName).headers).style.display = "block";
	}
	catch(ex){}
}

function SlideImage(ImageName,TargetName)
{
	if (!document.images) return
	if(TargetName == 'ImgProject01')
		document.ImgProject01.filters[0].apply()
	else if(TargetName == 'ImgProject02')
		document.ImgProject02.filters[0].apply()
	else if(TargetName == 'ImgProject03')
		document.ImgProject03.filters[0].apply()
	else if(TargetName == 'ImgProject04')
		document.ImgProject04.filters[0].apply()
		
	if(TargetName == 'ImgProject01')
		document.images.ImgProject01.src = ImageName
	else if(TargetName == 'ImgProject02')
		document.images.ImgProject02.src = ImageName
	else if(TargetName == 'ImgProject03')
		document.images.ImgProject03.src = ImageName
	else if(TargetName == 'ImgProject04')
		document.images.ImgProject04.src = ImageName
	
	if(TargetName == 'ImgProject01')
		document.images.ImgProject01.filters[0].play()
	else if(TargetName == 'ImgProject02')
		document.images.ImgProject02.filters[0].play()
	else if(TargetName == 'ImgProject03')
		document.images.ImgProject03.filters[0].play()
	else if(TargetName == 'ImgProject04')
		document.images.ImgProject04.filters[0].play()
}