test

text.txt

result = [];

function load(url, level)
{
 console.log("level: "+level+","+url);
 $.get(url, function(data, status){
  var x;
  if($(data).length>2)
  {
   x=$($(data)[2]);
  }
  else
  {
      x = $($(data)[1]);
  }
    var a1 = x.find("a");

  if(url.indexOf("DrugsID=")!=-1)
  {
   debugger; 
   result.push(data);
  }
  else
  {
     a1.each(function( index ) {
    load("http://thuoc.net.vn/Ajax/"+$(this).attr("href")+"&AjaxRequestUniqueId=14956777706050", level+1);
   });
  }
 });
}

load("http://thuoc.net.vn/Ajax/Default.aspx?Mod=ClassifyDrugs&AjaxRequestUniqueId=14956777706050", 0);