// JavaScript Document

//create HtmlRequest
function makeObject()
{
	var x; 
	var browser = navigator.appName; 
	if(browser == "Microsoft Internet Explorer")
	{
		x = new ActiveXObject("Microsoft.XMLHTTP");
	}else
	{
		x = new XMLHttpRequest();
	}
	return x;
}
function validate_search()
{
	var frm=document.frmSearch;
	if(frm.txtSearch.value=='')
	{
		alert("Chưa nhập từ khóa");
		frm.txtSearch.focus();
		return false;
	}
	frm.submit();
	return true;
}

	function validate()
	{
		var frm=document.frmnewsletter;
		if(!isEmailAddr(frm.txtemail.value))
		{
			alert("Nhập email không hợp lệ.");
			frm.txtemail.focus();
			return;
		}
		frm.submit();
	}

function MenuVisible(id)
{
	
	var total=document.getElementById("numMenu").value;
	for(i=1;i<total;i++)
	{
		var str="divMenu"+i;
		//alert(str);
		document.getElementById(str).style.display='none';
		
	}

	if(id==0) return;
	document.getElementById("divMenu"+id).style.display='';
	
	
}
function MenuVisibleSub(id,idSub)
{
	if(id==0)return;
	var total=document.getElementById("MenuTotal"+id);
	for(j=0;i<total;j++)
	{
		document.getElementById("MenuSub"+id+j).className='';
	}
	document.getElementById("MenuSub"+id+idSub).className='currentsubM';
}

//box menu 2
function MenuVisible2(id)
{
	
	var total=document.getElementById("numMenu2").value;
	for(i=1;i<total;i++)
	{
		var str="divMenu2"+i;
		//alert(str);
		document.getElementById(str).style.display='none';
		
	}

	if(id==0) return;
	document.getElementById("divMenu2"+id).style.display='';
	
	
}
function MenuVisibleSub2(id,idSub)
{
	if(id==0)return;
	var total=document.getElementById("numMenu2"+id);
	for(j=0;i<total;j++)
	{
		document.getElementById("MenuSub2"+id+j).className='';
	}
	document.getElementById("MenuSub2"+id+idSub).className='currentsubM';
}