// ---------------------------------------------------------------------------------
// Functions for performing 'Remote Scripting' via a hidden <iframe>
// ---------------------------------------------------------------------------------
function buildQueryString(theFormName) 
{
  var theForm = document.forms[theFormName];
  var qs = '';
  for (var e=0;e<theForm.elements.length;e++) 
  {
    // Input elements with name is submitted
    if (theForm.elements[e].name!='' && theForm.elements[e].nodeType == 1) 
    {
      if (theForm.elements[e].type && theForm.elements[e].type=='checkbox')
      { 
        // Include only checked checkboxes
        if (theForm.elements[e].checked==true) 
        {
          qs+=(qs=='')?'?':'&';
          qs+=theForm.elements[e].name+'='+escape(theForm.elements[e].value)
        }
      }
      else
      {
        qs+=(qs=='')?'?':'&';
        qs+=theForm.elements[e].name+'='+escape(theForm.elements[e].value);
      }
    }
  }
  return qs;
}      

var IFrameObj; // our IFrame object
function callToServer(frameName, frameActionURL) 
{
  if (!document.createElement) {return true};
  var IFrameDoc;
  var URL = frameActionURL + buildQueryString(frameName);
  
  if (!IFrameObj && document.createElement) 
  {
    // create the IFrame and assign a reference to the
    // object to our global variable IFrameObj.
    // this will only happen the first time 
    // callToServer() is called
    try 
    {
      var tempIFrame=document.createElement('iframe');
      tempIFrame.setAttribute('id','RSIFrame');
      tempIFrame.style.border='0px';
      tempIFrame.style.width='0px';
      tempIFrame.style.height='0px';
      IFrameObj = document.body.appendChild(tempIFrame);
      
      if (document.frames) 
      {
        // this is for IE5 Mac, because it will only
        // allow access to the document object
        // of the IFrame if we access it through
        // the document.frames array
        IFrameObj = document.frames['RSIFrame'];
      }
    } 
    catch(exception) 
    {
      // This is for IE5 PC, which does not allow dynamic creation
      // and manipulation of an iframe object. Instead, we'll fake
      // it up by creating our own objects.
      iframeHTML='\<iframe id="RSIFrame" style="';
      iframeHTML+='border:0px;';
      iframeHTML+='width:0px;';
      iframeHTML+='height:0px;';
      iframeHTML+='"><\/iframe>';
      document.body.innerHTML+=iframeHTML;
      IFrameObj = new Object();
      IFrameObj.document = new Object();
      IFrameObj.document.location = new Object();
      IFrameObj.document.location.iframe = document.getElementById('RSIFrame');
      
      IFrameObj.document.location.replace = function(location) 
      {
        this.iframe.src = location;
      }
    }
  }
  
  if (navigator.userAgent.indexOf('Gecko') !=-1 && !IFrameObj.contentDocument) {
    // we have to give NS6 a fraction of a second
    // to recognize the new IFrame
    setTimeout('callToServer()',10);
    return false;
  }
  
  if (IFrameObj && IFrameObj.contentDocument) 
  {
    // For NS6
    IFrameDoc = IFrameObj.contentDocument; 
  } 
  else if (IFrameObj && IFrameObj.contentWindow) 
  {
    // For IE5.5 and IE6
    IFrameDoc = IFrameObj.contentWindow.document;
  } 
  else if (IFrameObj && IFrameObj.document) 
  {
    // For IE5
    IFrameDoc = IFrameObj.document;
  } 
  else 
  {
    return true;
  }
  
  IFrameDoc.location.replace(URL);
  return false;
}