function hienext()	{
	document.getElementById('ext').style.display='block';
}
function anext()	{
	document.getElementById('ext').style.display='none';
}



function test(){
	//list = document.getElementsByName("linhvuc");
	var item='';
	//for(i=0; i<list.length; i++)	{
	//	if(list[i].checked){
	//		item=list[i].value;
	//	}
	//}
	//name = document.getElementById("txttimkiem").value;
	str='./qc.htm';
	
	
	

//	if (item=='batky'){
//		str = "http://www.google.com.vn/search?hl=vi&btnG=T%C3%ACm+v%E1%BB%9Bi+Google&meta=cr%3DcountryVN&q="
//		str += name;
//	}
//str+="&btnG=Search&cx=010731988782648374643%3Avygabtlvr_w";
document.getElementById('resultpage').src=str;	
document.getElementById('result').style.display='block';
return false;
//window.open(str);
}