// Script code for Welcome page on WWW.MLXCHANGE.COM

// Global variables for XML documents
var xmlAppFeatures   = null;
var xslSiteList      = null;

function LoadXML()
{
  try
  {
    //Check the user's browser first
    var sBrowser = navigator.userAgent.toLowerCase();
    var bIsIE = false;
    var reOtherBrowsers = new RegExp("konqueror|safari|omniweb|opera|webtv|icab|firefox|aol|msn|america", "g");
    // The user agent string returned by the above browsers will all contain MSIE.
    // As a result, we want to filter them out first.
    if (-1 == sBrowser.search(reOtherBrowsers))
    {
      // This might be IE.
      idxBrowserName = sBrowser.indexOf("msie");
      if (-1 != idxBrowserName)
      {
        bIsIE = true;
      }
    }
    
    if (!bIsIE)
    {
      document.location.href = "/Login/BrowserError.asp";  //  Not IE
    }
    else
    {
      xmlAppFeatures = new ActiveXObject("Microsoft.XMLDOM");
      xmlAppFeatures.async = true;
      xmlAppFeatures.onreadystatechange = RenderSiteList;
      xmlAppFeatures.load("/XMLData/MLSList.xml");

      xslSiteList = new ActiveXObject("Microsoft.XMLDOM");
      xslSiteList.async = true;
      xslSiteList.onreadystatechange = RenderSiteList;
      xslSiteList.load("/Login/WelcomeSiteCodeList.xsl");
    }
  }
  catch(e)
  {
    alert("An error occurred loading MLXchange. Please retry and if the problem persists, contact the Help Desk.");
  }
}

function RenderSiteList()
{
  try
  {
    if (xmlAppFeatures != null && xmlAppFeatures.readyState == 4 &&
        xslSiteList != null && xslSiteList.readyState == 4)
    {
      document.all.divListContain.innerHTML = xmlAppFeatures.transformNode(xslSiteList);
    }
  }
  catch(e)
  {
    alert("An error occurred loading MLXchange. Please retry and if the problem persists, contact the Help Desk.");
  }
}

function LoadSite()
{
  try
  {
    if (document.all.selMLSList.value != '')
    {
      document.location.href = "http://" + document.all.selMLSList.value;
    }
    else
    {
      alert('Please select your MLS Site, then click Go.');
    }
  }
  catch(e)
  {
    alert("An error occurred loading MLXchange. Please retry and if the problem persists, contact the Help Desk.");
  }
}