/********************************************************************\

   Name:         md.js
   Created by:   Stefan Ritt

   Contents:     JavaScript code for ImageMagic interface inside ELOG

   $Id$

\********************************************************************/

var dummy = 0;

function im(id, thumb, image, cmd)
{
   var xmlHttp;
   
   try {
      xmlHttp = new XMLHttpRequest(); // Firefox, Opera 8.0+, Safari
   }
   catch (e) {
      try {
         xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); // Internet Explorer
      }
   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 != "")
          alert(xmlHttp.responseText);
       document.getElementById(id).src = thumb+'?'+dummy;
       dummy++;
       }
  }
  
  xmlHttp.open("GET","?cmd=im&req="+cmd+"&img="+image, true);
  xmlHttp.send(null);
}