function dathang(id)
{
	alert('aa');
LoadXmlDoc('dathang.php?id='+id,'nut_'+id);	
}
// JavaScript Document
function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1; 
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
return "";
}

function show_menu(id)
{
	if(document.getElementById(id).style.display=='none' || document.getElementById(id).style.display=='' )
	{
		setCookie(id,'block',2);
		document.getElementById(id).style.display='block';
	}else
	{
		setCookie(id,'none',2);
		document.getElementById(id).style.display='none';
	}
}
var agreewin;
function mo_cua_so(id)
{
	var agreewin=dhtmlmodal.open("agreebox", "div", "popup", "Thông báo", "width=590px,height=450px,center=1,resize=1,scrolling=0", "recal");
}

function donglai()
{
	alert('a');
	agreewin.hide()
}