Miscellany

function ajaxFunction(var1)
  {


  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)
        {
         var myVar = xmlHttp.responseText;  alert(myVar); document.getElementById('rimg').src = myVar; 


        }
      }
    xmlHttp.open("GET",var1,true);
    xmlHttp.send(null);
    }