function lich_vn()
{
dowArray = new Array("Chúa Nhật", "Thứ Hai", "Thứ Ba", "Thứ Tư","Thứ Năm", "Thứ Sáu", "Thứ Bảy");
              monthArray = new Array("01", "02", "03","04","05", "06", "07","08","09", "10", "11", "12");
	MyStrDate = new String;
	date = new Date();
	year = new String;
	month = new String;
	day = new String;
	dayow = new String;
	year = date.getFullYear();
	month = date.getMonth();
	day = date.getDate();
	hours=date.getHours();
	dayow = date.getDay();
	phut=date.getMinutes();
	dayow = date.getDay();
	MyStrDate = dowArray[dayow]+" ngày "+day+" / "+monthArray[month]+" / "+year+"  ";
	document.write(MyStrDate);
}
function lich_en()
{
dowArray = new Array("Sunday", "Monday", "Tuesday", "Wednesday","Thursday", "Friday", "Saturday");
              monthArray = new Array("January", "February", "March","April","May", "June", "July","August","September", "October", "November", "December");
	MyStrDate = new String;
	date = new Date();
	year = new String;
	month = new String;
	day = new String;
	dayow = new String;
	year = date.getFullYear();
	month = date.getMonth();
	day = date.getDate();
	hours=date.getHours();
	dayow = date.getDay();
	phut=date.getMinutes();
	dayow = date.getDay();
	MyStrDate = dowArray[dayow]+", "+monthArray[month]+" "+day+", "+year+"  ";
	document.write(MyStrDate);
}
function mouseOver(name)
{
	//var tam=name.name;
	switch (name.name)
	{
	case "layout_home_Vn" :
			document.layout_home_Vn.src = "images/nutVn/layout_off_19.gif";	
	case "layout_home_En" :
			document.layout_home_En.src = "images/nutEn/layout_off_19.gif";		
	case "layout_about_Vn" :
			document.layout_about_Vn.src = "images/nutVn/layout_off_20.gif";	
	case "layout_about_En" :
			document.layout_about_En.src = "images/nutEn/layout_off_20.gif";		
	case "layout_consultancy_Vn" :
			document.layout_consultancy_Vn.src = "images/nutVn/layout_off_21.gif";	
	case "layout_consultancy_En" :
			document.layout_consultancy_En.src = "images/nutEn/layout_off_21.gif";		
	case "layout_portfolio_Vn" :
			document.layout_portfolio_Vn.src = "images/nutVn/layout_off_22.gif";	
	case "layout_portfolio_En" :
			document.layout_portfolio_En.src = "images/nutEn/layout_off_22.gif";			
	case "layout_news_Vn" :
			document.layout_news_Vn.src = "images/nutVn/layout_off_23.gif";	
	case "layout_news_En" :
			document.layout_news_En.src = "images/nutEn/layout_off_23.gif";	
	case "layout_partner_Vn" :
			document.layout_partner_Vn.src = "images/nutVn/layout_off_24.gif";	
	case "layout_partner_En" :
			document.layout_partner_En.src = "images/nutEn/layout_off_24.gif";	
	case "layout_contact_Vn" :
			document.layout_contact_Vn.src = "images/nutVn/layout_off_25.gif";	
	case "layout_contact_En" :
			document.layout_contact_En.src = "images/nutEn/layout_off_25.gif";	
	case "layout_contact1_Vn" :
			document.layout_contact1_Vn.src = "images/nutVn/layout_off_26.gif";	
	case "layout_contact1_En" :
			document.layout_contact1_En.src = "images/nutEn/layout_off_26.gif";	

	}

}
function mouseOut(name)
{
switch (name.name)
	{
	case "layout_home_Vn" :
			document.layout_home_Vn.src = "images/nutVn/layout_on_19.gif";	
	case "layout_home_En" :
			document.layout_home_En.src = "images/nutEn/layout_on_19.gif";		
	case "layout_about_Vn" :
			document.layout_about_Vn.src = "images/nutVn/layout_on_20.gif";	
	case "layout_about_En" :
			document.layout_about_En.src = "images/nutEn/layout_on_20.gif";		
	case "layout_consultancy_Vn" :
			document.layout_consultancy_Vn.src = "images/nutVn/layout_on_21.gif";	
	case "layout_consultancy_En" :
			document.layout_consultancy_En.src = "images/nutEn/layout_on_21.gif";		
	case "layout_portfolio_Vn" :
			document.layout_portfolio_Vn.src = "images/nutVn/layout_on_22.gif";	
	case "layout_portfolio_En" :
			document.layout_portfolio_En.src = "images/nutEn/layout_on_22.gif";			
	case "layout_news_Vn" :
			document.layout_news_Vn.src = "images/nutVn/layout_on_23.gif";	
	case "layout_news_En" :
			document.layout_news_En.src = "images/nutEn/layout_on_23.gif";	
	case "layout_partner_Vn" :
			document.layout_partner_Vn.src = "images/nutVn/layout_on_24.gif";	
	case "layout_partner_En" :
			document.layout_partner_En.src = "images/nutEn/layout_on_24.gif";	
	case "layout_contact_Vn" :
			document.layout_contact_Vn.src = "images/nutVn/layout_on_25.gif";	
	case "layout_contact_En" :
			document.layout_contact_En.src = "images/nutEn/layout_on_25.gif";	
	case "layout_contact1_Vn" :
			document.layout_contact1_Vn.src = "images/nutVn/layout_on_26.gif";	
	case "layout_contact1_En" :
			document.layout_contact1_En.src = "images/nutEn/layout_on_26.gif";	
	}
}
function startclock()

	{
		var curTime=new Date();
		var nhours=curTime.getHours();
		var nmins=curTime.getMinutes();
		var nsecn=curTime.getSeconds();
		var AMorPM=" ";
		if (nhours>=12)
			AMorPM="PM";
		else
			AMorPM="AM";
		if (nhours>=13)
			nhours-=12;
		if (nhours==0)
			nhours=12;
		if (nsecn<10)
			nsecn="0"+nsecn;
		if (nmins<10)
			nmins="0"+nmins;
		var d;
		d= document.getElementById("theClock");
		d.innerHTML= nhours+": "+nmins+" "+ AMorPM;
		setTimeout('startclock()',1000);
	} 
	function startclock()

	{
		var curTime=new Date();
		var nhours=curTime.getHours();
		var nmins=curTime.getMinutes();
		var nsecn=curTime.getSeconds();
		var AMorPM=" ";
		if (nhours>=12)
			AMorPM="PM";
		else
			AMorPM="AM";
		if (nhours>=13)
			nhours-=12;
		if (nhours==0)
			nhours=12;
		if (nsecn<10)
			nsecn="0"+nsecn;
		if (nmins<10)
			nmins="0"+nmins;
		var d;
		d= document.getElementById("theClock");
		d.innerHTML= nhours+": "+nmins+" "+ AMorPM;
		setTimeout('startclock()',1000);
	}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function rollon(a) 
{
	a.style.backgroundColor='#F0F8FF';
}	
function rolloff(a)
{
	a.style.backgroundColor='';
}

function exp_res(div_id)
{
	if(div_id.style.display == "inline")
	{ 	
		div_id.style.display = "none"; 
	}
	else
	{ 
		div_id.style.display = "inline";
	}
}

function exp_res_img(div_id,img_name)
{
	
	var btn_max = new Image();
	btn_max.src = "images/folder_off.jpg";
	var btn_min = new Image();
	btn_min.src = "images/folder_on.jpg";
	
	if(div_id.style.display == "inline")
	{ 	
		div_id.style.display = "none"; 
		if(img_name.src == btn_min.src) img_name.src = btn_max.src;
		else img_name.src = btn_min.src;
	}
	else
	{ 
		div_id.style.display = "inline";
		if(img_name.src== btn_min.src) img_name.src = btn_max.src;
		else img_name.src = btn_min.src;
	};
}

function menu_jump(url)
{
	if (url != "")
	{
		window.location=url;
	}
	else return false;
}
function menu_gourl(url)
{
	if (url != "")
	{
		window.location=url;
	}
	else return false;
}
function menu_submit(data,form)
{
	if (data != "")
	{ 
		form.action=document.URL;
		form.submit();
	}
	else return false;
}
function ask(url,msg)
{
	if (!confirm(msg))
	{ //do nothing
		return false;
	}
	else 
	{window.location = url}
}

function popup(url,width,height) 
{
	OpenWin = this.open(url,"_blank", "toolbar=no,menubar=no,location=no,scrollbars=no,status=no,resize=no,resizable=yes,width="+width+",height="+height+",top=100,left=100'");
}

function popup_status(url,width,height) 
{
	OpenWin = this.open(url,"_blank", "toolbar=no,menubar=no,location=no,scrollbars=no,status=yes,resize=no,resizable=yes,width="+width+",height="+height+",top=100,left=100'");
}

function tab_chart(img_name)
{
		document['hastc'].src='images/tab/hastc_off.jpg';
		document['hostc'].src='images/tab/hostc_off.jpg';
		
		document[img_name].src='images/tab/' + img_name + '_on.jpg';
	
		
}



// ajax
var http = createRequestObject();	
function createRequestObject()
{
	var connect;
    var browser = navigator.appName;
    if(browser == 'Microsoft Internet Explorer') 
    {
    	try
    	{
    		connect = new ActiveXObject("Msxml2.XMLHTTP");
    	}
    	catch(e)
    	{
    		try
    		{
    			connect = new ActiveXObject("Microsoft.XMLHTTP");
    		}
    		catch(e){}
    	}    	
    }
    else
    {
        connect = new XMLHttpRequest();
    }
    return connect;
}

function display(url, id)
{
	document.getElementById(id).style.display = "block";
	preloader(id); // preloading image waiting
	http.open("GET", url, true);
	http.onreadystatechange = function(){handleResponse(id);}
	http.send(null);
}

function handleResponse(id)
{
	if(http.readyState == 4 && http.status == 200)
	{
    	document.getElementById(id).innerHTML = http.responseText;
    }
}


function isValidEmail(str)
{
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

function switch_tab(tab_name,id,page,param,location,numtab)
{
	
	var i = 0;
	var tabid = "";	
	for (i = 0; i < numtab; i ++)
	{			
		if ((i + 1) == id)
		{			
			tabid = tab_name + id;	
			document.getElementById(tabid + "_off").style.display = "none";
			document.getElementById(tabid + "_on").style.display = "block";
		}
		else
		{
			tabid = i + 1;				
			tabid = tab_name + tabid;
			document.getElementById(tabid + "_off").style.display = "block";
			document.getElementById(tabid + "_on").style.display = "none";
		}
	}
	// get source
	url = "inc/" + page + ".php?" + param;
	// display on location
	display(url,location);
	
}

function menu_jump_ajax(page,param,location)
{
	// get source
	url = "inc/" + page + ".php?" + param;
	// display on location
	display(url,location);
}

function switch_page(page,param,location)
{
	// get source
	url = "inc/" + page + ".php?" + param;
	// display on location
	display(url,location);
}

function changeclass(id, newclass)
{
	document.getElementById(id).className = newclass;
}
function preloader(el)
{
	var preloader = document.getElementById(el);
	preloader.innerHTML = "<div align=center><div style='width:100; padding:5px; background-color:#FFFFFF'><img src='images/loading.gif'><br/><font style='color:#666666'>Please wait !</font></div></div>";
	
}
function showimage(img_name, img_tag)
{
	document.getElementById(img_tag).src = 'upload/'+img_name;
}