// jax write by eidoan@gmail.com
function Ajax()
{
  try {
    return new ActiveXObject("Microsoft.XMLHTTP");
  } catch(e) {
    try {
      return new ActiveXObject("Msxml2.XMLHTTP");
    } catch(ex) {
      try {
        return new XMLHttpRequest();
      } catch(exc) {
        return false;
      }
    }
  }
}

function show_tab(urls)
{ 
	var jax = new Ajax();
	var hienthi=document.getElementById('show_tab');
	hienthi.innerHTML="<img src=images/indicator_blue.gif>";
    jax.onreadystatechange = function(){
    	if(jax.readyState == 4){
			if (jax.status==200){				
					var html=jax.responseText;
					hienthi.innerHTML=html;									
			}
   		 }
    }
    jax.open("GET",urls,true);
    jax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    jax.send(null);  
}