function switchNews(i)
{
	if(i == 1)
	{
		document.getElementById('clNews').className = 'MainNews_All';	
		document.getElementById('clBackGround').className = 'MainNews_BackGround'; 
		document.getElementById('clEvent').className = 'MainNews_None';   
		
		document.getElementById('divNews').className = 'Show';			
		document.getElementById('divEvent').className = 'Hide';
	}
	else
	{
		document.getElementById('clEvent').className = 'MainNews_All';
		document.getElementById('clBackGround').className = 'MainNews_BackGround1'; 
		document.getElementById('clNews').className = 'MainNews_None';	
		
		document.getElementById('divNews').className = 'Hide';			
		document.getElementById('divEvent').className = 'Show';
	}
}
function switchQues(i)
{
	if(i == 1)
	{
		document.getElementById('clTuvan').className = 'MainNews_All';	
		document.getElementById('clBgTuvan').className = 'MainNews_BackGround'; 
		document.getElementById('clCauhoi').className = 'MainNews_None';   
		
		document.getElementById('divAdvis').className = 'Show';			
		document.getElementById('divQues').className = 'Hide';
	}
	else
	{
		document.getElementById('clCauhoi').className = 'MainNews_All';
		document.getElementById('clBgTuvan').className = 'MainNews_BackGround1'; 
		document.getElementById('clTuvan').className = 'MainNews_None';	
		
		document.getElementById('divAdvis').className = 'Hide';			
		document.getElementById('divQues').className = 'Show';
	}
}
function startclock()
	{	
		var curTime=new Date();
		var nhours=curTime.getHours();
		var nmins=curTime.getMinutes();
		var nsecn=curTime.getSeconds();
		var nday=curTime.getDay();
		var nmonth=curTime.getMonth();
		var ntoday=curTime.getDate();
		var nyear=curTime.getYear();
		var AMorPM=" ";

		if (nhours==0)
			nhours=12;
		if (nsecn<10)
			nsecn="0"+nsecn;
		if (nmins<10)
			nmins="0"+nmins;
		if (nday==0)
			nday="Chủ Nhật";
		if (nday==1)
			nday="Thứ 2"; 
		if (nday==2)
			nday="Thứ 3"; 
		if (nday==3)
			nday="Thứ 4";
		if (nday==4)
			nday="Thứ 5";
		if (nday==5)
			nday="Thứ 6";
		if (nday==6)
			nday="Thứ 7";
		nmonth+=1;
		if (nyear<=99)
			nyear= "19"+nyear;

		if ((nyear>99) && (nyear<2000))
			nyear+=1900;
		var d;
		d= document.getElementById("theClock");
		
		d.innerHTML= nhours+":"+nmins+":"+nsecn +" "+ nday+", " + ntoday +"/" + nmonth +"/"+nyear;

		setTimeout('startclock()',1000);		

	} 
	
	
function dropdown(mySel)
{
	if(mySel !='') 
	{
		window.open(mySel);
	}
	return false;
}
function onEnter(){		
	if(event.keyCode==13)
	document.getElementById("btsearch").click();	
}