function openSample(cType,sDesc,sUrl,sCourse)
{
  var TheChildWindow=0;  
  var shockwave=0;
  var sUrl2;
  if (cType=="l"){
     sUrl2="lessonsample.html?";
  }else if (cType=="m"){
     sUrl2="mousesample.html?";
  }else if (cType=="e"){
     sUrl2="exercisesample.html?";
  }else{
     alert("Incorrect sample type. Must be either l or e or m(" + cType + ")");
     return;
  }

  sUrl2 = sUrl2 + escape(sDesc)+ "&" + escape(sUrl) + "&" + escape(sCourse);
  if ((win) && shockwaveCheckBrowser() && (ie || ns))
  {
    if (ie)
       shockwave = shockwaveDetectAxVer("7.0");
    else
       shockwave = shockwaveDetectNsVer("7.0");

    if (!shockwave)
    {
      window.location=("shockwave.html")
    }
    else
    {
      TheChildWindow = window.open(sUrl2, "bob", "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=745,height=457,left=20,top=20");
      while(!TheChildWindow.focus){}
      TheChildWindow.focus();
    }

  }
  else if (win)
     alert("Your browser does not support CLS samples. Please upgrade to IE or Netscape 4 or above, and try again.");
  else
     alert("CLS samples are only available for the Windows operating system.");
}  

var ie  = (navigator.appName.toLowerCase().indexOf("microsoft") != -1);
var ns  = (navigator.appName.toLowerCase().indexOf("netscape") != -1);
var win = (navigator.platform.toLowerCase().indexOf("win") != -1);
var mac = (navigator.platform.toLowerCase().indexOf("mac") != -1);
var browserVer = parseFloat(ie ? navigator.appVersion.substring(navigator.appVersion.toLowerCase().indexOf("msie") + 4) : navigator.appVersion);

function shockwaveCheckBrowser() {
  if (ie && win) return (browserVer >= 4.0)
  if (ie && mac) return (browserVer >= 5.0)
  if (ns && win) return (browserVer >= 3.0)
  if (ns && mac) return (browserVer >= 3.0)
  return false;
}

function shockwaveDetectAxVer(reqVer) {
  if (ie && win) {
    for (i=8;i>0;i--) {
      versionString = VBGetShockwaveVer(i);
      if (versionString != "0.0") {
        versionNum = (versionString == "1.0" ? 6.0 : parseFloat(versionString))
        return (reqVer ? versionNum >= reqVer : versionNum);
      }
    }
  }
  return (reqVer ? false : 0.0);
}

function shockwaveDetectNsVer(reqVer) {
  if (!navigator.plugins) return (reqVer ? false : 0.0);

  thearray = navigator.plugins
  arraylen = thearray.length

  for (i=0; i < arraylen; i++) {
    theplugin = thearray[i]
    thename   = theplugin.name
    thedesc   = theplugin.description

    if (thename.indexOf("Shockwave") != -1 && thename.indexOf("Director") != -1) {
     versionString = thedesc.substring(thedesc.indexOf("version ") + 8);
      if (versionString.indexOf(".") > 0) {
        versionMajor = versionString.substring(0,versionString.indexOf("."));
        versionMinor = versionString.substring(versionString.indexOf(".") + 1);
        if (versionMinor.indexOf(".") > 0)
          versionMinor = versionMinor.substring(0,versionString.indexOf("."))
                         + versionMinor.substring(versionMinor.indexOf(".") + 1);   
        versionString = parseInt(versionMajor) + "." + versionMinor;
      }
      return (reqVer ? (parseFloat(versionString) >= reqVer) : parseFloat(versionString));
    } 
  }
  return (reqVer ? false : 0.0);
}

function openSample2(cType,sDesc,sUrl,sCourse)
{
  var TheChildWindow=0;  
  var shockwave=0;
  var sUrl2;
  if (cType=="l"){
     sUrl2="lessonsample2.html?";
  }else if (cType=="m"){
     sUrl2="mousesample.html?";
  }else if (cType=="e"){
     sUrl2="exercisesample2.html?";
  }else{
     alert("Incorrect sample type. Must be either l or e or m(" + cType + ")");
     return;
  }

  sUrl2 = sUrl2 + escape(sDesc)+ "&" + escape(sUrl) + "&" + escape(sCourse);
  if ((win) && shockwaveCheckBrowser() && (ie || ns))
  {
    if (ie)
       shockwave = shockwaveDetectAxVer("7.0");
    else
       shockwave = shockwaveDetectNsVer("7.0");

    if (!shockwave)
    {
      window.location=("shockwave.html")
    }
    else
    {
      TheChildWindow = window.open(sUrl2, "bob", "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=761,height=529,left=20,top=20");
      while(!TheChildWindow.focus){}
      TheChildWindow.focus();
    }

  }
  else if (win)
     alert("Your browser does not support CLS samples. Please upgrade to IE or Netscape 4 or above, and try again.");
  else
     alert("CLS samples are only available for the Windows operating system.");
}