var xmlHttp

/*
'------------------------------------------------
' displays thumbnail images on homepage
'------------------------------------------------
*/
function showThumbs(str)
  {
    xmlHttp=GetXmlHttpObject();

    if (xmlHttp==null)
      {
        alert ("Your browser does not support AJAX!");
        return;
      }

    var url="inc/get_ShowThumbs.asp?q="+str;
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
  }

function stateChanged()
  {
    if (xmlHttp.readyState==4)
      {
        document.getElementById("thumbnail").innerHTML=xmlHttp.responseText;
      }
    else
      {
        document.getElementById("thumbnail").innerHTML="<img src='img/ajax_loader.gif' id='progress' name='wait' alt='Working... please wait' />";
      }
  }

function GetXmlHttpObject()
  {
    var xmlHttp=null;
    try
      {
        // Firefox, Opera 8.0+, Safari
        xmlHttp=new XMLHttpRequest();
      }
    catch (e)
      {
        // Internet Explorer
        try
          {
            xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
          }
        catch (e)
          {
            xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
          }
      }
    return xmlHttp;
  }