//var win=null;
	var firstload=false;
function goi_youtube(url)
	{		
			if(url != '' ){
			Cho_chodiem('youtube');
			SendQuery(url,'DisplayHTML("youtube")');}
	
	}

function GOI_PHIM(url)
	{		
			if(url != '' ){
			Cho_chodiem('phimdaly');
			SendQuery(url,'DisplayHTML("phimdaly")');}
	
	}

function ADD_DIEM(url)
	{		
			if(url != '' ){
			Cho_chodiem('diem');
			SendQuery(url,'DisplayHTML("diem")');}
	
	}
	function Timkiem(url)
	{		
			if(url != '' ){
			cho_NOIDUNG('khungchinh');
			SendQuery(url,'DisplayHTML("khungchinh")');}
	
	}
	function Timkiem_noidung(url)
	{		
			if(url != '' ){
			cho_NOIDUNG('fontchu');
			SendQuery(url,'DisplayHTML("fontchu")');}
	
	}

function Goi_NOIDUNG(url)
	{		
			if(url != '' ){
			Goi_fun(cho_NOIDUNG("fontchu"), Cho_chodiem("solan"), Cho_chodiem("diem"));
			SendQuery(url,'DisplayLANHAI("fontchu"), DisplayLANDAU("solan"), DisplayLANBA("diem")');
			}
	
	}
	
function ChangeFontSize(size) {
		document.getElementById('fontchu').style.fontSize = size + "px";
		}
		
		
function waitPreloadPage() { //DOM
		var prep;
		var fs;
		if (document.getElementById){
			prep = document.getElementById('prepage');
			if (prep) prep = prep.style;
			fs = document.getElementById('FontSize');
			if (fs) fs=fs.style;
		}else{
			if (document.layers){ //NS4
				//document.prepage.visibility = 'hidden';
				prep = document.prepage;
				fs = document.FontSize
			}
			else { //IE4
				prep = document.all.prepage; //.style.visibility = 'hidden';
				if (prep) prep = prep.style;
				fs = document.all.FontSize;
				if (fs) fs=fs.style;
			}
		}
		if(prep) prep.visibility='hidden';
		if (fs) fs.display='';	
	}
function openWindow1(url) {
  popupWin = window.open(url,'_blank','width=660,height=560,scrollbars=no')
}