function showfile(filename){

  var xmlHttp;

  try

    {

    // Firefox, Opera 8.0+, Safari

    xmlHttp=new XMLHttpRequest();

    }

  catch (e)

    {

    // Internet Explorer

    try

      {

      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

      }

    catch (e)

      {

      try

        {

        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

        }

      catch (e)

        {

        alert("Your browser does not support AJAX!");

        return false;

        }

      }

    }

    xmlHttp.onreadystatechange=function()

      {

      if(xmlHttp.readyState==4)

        {

       	 	if(xmlHttp.responseText != ""){       	 		

       	 		var my_div = document.getElementById('div_display');

       	 		my_div.innerHTML = xmlHttp.responseText;

       	 	}

        }

      }      

    xmlHttp.open("GET",filename,true);

    xmlHttp.send(null);

  }