var optionsChecker = {};

 optionsChecker.init = function() {
  //set check options here
  optionsChecker.checkFlash = 1;
  optionsChecker.checkAcrobat = 1;
  optionsChecker.checkScreenRes = 1;
  optionsChecker.checkPopupBlocker = 1;
  optionsChecker.checkClient = 1;
  optionsChecker.checkCookies = 1;
  //set valid clients in an array (values are: IE6|IE7|IE8|IE9|Firefox 3|Firefox 4|Chrome 5|Safari 5|Firefox|Chrome|Safari)
  optionsChecker.validClients = ["IE7","IE8","Firefox","Chrome","Safari", "IE9"];
  optionsChecker.screenRes = {};
  optionsChecker.screenRes.minWidth = 1024;
  optionsChecker.screenRes.minHeight = 768;
  //set 

  optionsChecker.define();
  optionsChecker.perform();
  optionsChecker.perform_acrobat_detection();
 }

 optionsChecker.define = function() {
  optionsChecker.screenResFunction = function() {
   if (window.screen.height < optionsChecker.screenRes.minHeight || window.screen.width < optionsChecker.screenRes.minWidth) {
    return false;
   }
   return true;
  }

  optionsChecker.browserRegex = function(browser) {
   switch(browser) {
    case "IE6":
     optionsChecker.supportedClients[0] = /MSIE 6/g;
     break;
    case "IE7":
     optionsChecker.supportedClients[1] = /MSIE 7/g;
     break;
    case "IE8":
     optionsChecker.supportedClients[2] = /MSIE 8/g;
     break;
    case "Firefox 3":
     optionsChecker.supportedClients[3] = /Firefox\/3/g;
     break;
    case "Chrome 5":
     optionsChecker.supportedClients[4] = /Chrome\/5/g;
     break;
    case "Safari 5":
     optionsChecker.supportedClients[5] = /Safari\/5/g;
     break;
    case "Firefox 4":
     optionsChecker.supportedClients[6] = /Firefox\/4/g;
     break;
    case "Chrome":
     optionsChecker.supportedClients[7] = /Chrome/g;
     break;
    case "Safari":
     optionsChecker.supportedClients[8] = /Safari/g;
     break;
    case "Firefox":
     optionsChecker.supportedClients[9] = /Firefox/g;
     break;
    case "IE9":
     optionsChecker.supportedClients[10] = /MSIE 9/g;
     break;
   }
  }

  optionsChecker.cookieEnabledFunction = function() {
   if (navigator.cookieEnabled) {
    return true;
   } else {
    return false;
   }
  }

  optionsChecker.flashFunction = function() {
   if (navigator.mimeTypes["application/x-shockwave-flash"]) {
    return true;
   } else {
     try {
      axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.8");
     } catch (e) {
      return false;
     }
     return true;
   }
   return false;
  }

  optionsChecker.popupBlockerFunction = function() {
   var testWindow = window.open('', '', 'left=10,width=100,height=100');
   if (!testWindow) {
    return false;
   }
   testWindow.close();
   return true;
  }

  optionsChecker.supportedClientsFunction = function() {
   //compile client regex
   optionsChecker.supportedClients = [];
   for (i in optionsChecker.validClients) {
    optionsChecker.browserRegex(optionsChecker.validClients[i]);
   }
   var userAgent = navigator.userAgent;
   for(i in optionsChecker.supportedClients) {
    if (userAgent.search(optionsChecker.supportedClients[i]) > 1 ) {
     if (navigator.userAgent.indexOf("MSIE 6") > 0) {
      return "IE6";
     } else {
      return true;
     }
    }
   }
   return false;
  }
  optionsChecker.perform_acrobat_detection = function()
   {
     //
     // The returned object
     // 
     var browser_info = {
       name: null,
       acrobat : null,
       acrobat_ver : null
     };

     if(navigator && (navigator.userAgent.toLowerCase()).indexOf("chrome") > -1) browser_info.name = "chrome";
     else if(navigator && (navigator.userAgent.toLowerCase()).indexOf("msie") > -1) browser_info.name = "ie";
     else if(navigator && (navigator.userAgent.toLowerCase()).indexOf("firefox") > -1) browser_info.name = "firefox";
     else if(navigator && (navigator.userAgent.toLowerCase()).indexOf("msie") > -1) browser_info.name = "other";


    try
    {
     if(browser_info.name == "ie")
     {
      var control = null;

      //
      // load the activeX control
      //                
      try
      {
       // AcroPDF.PDF is used by version 7 and later
       control = new ActiveXObject('AcroPDF.PDF');
      }
      catch (e){}

      if (!control)
      {
       try
       {
        // PDF.PdfCtrl is used by version 6 and earlier
        control = new ActiveXObject('PDF.PdfCtrl');
       }
       catch (e) {}
      }

      if(!control)
      {
       browser_info.acrobat == null;
       return browser_info;
      }

      version = control.GetVersions().split(',');
      version = version[0].split('=');
      browser_info.acrobat = "installed";
      browser_info.acrobat_ver = parseFloat(version[1]);
     }
     else if(browser_info.name == "chrome")
     {
      for(key in navigator.plugins)
      {
       if(navigator.plugins[key].name == "Chrome PDF Viewer" || navigator.plugins[key].name == "Adobe Acrobat")
       {
        browser_info.acrobat = "installed";
        browser_info.acrobat_ver = parseInt(navigator.plugins[key].version) || "Chome PDF Viewer";
       }
      }
     }
     //
     // NS3+, Opera3+, IE5+ Mac, Safari (support plugin array):  check for Acrobat plugin in plugin array
     //    
     else if(navigator.plugins != null)
     {
      var acrobat = navigator.plugins['Adobe Acrobat'];
      if(acrobat == null)
      {
       browser_info.acrobat = null;
       return browser_info;
      }
      browser_info.acrobat = "installed";
      browser_info.acrobat_ver = parseInt(acrobat.version[0]);
     }


    }
    catch(e)
    {
     browser_info.acrobat_ver = null;
    }
     return browser_info.acrobat;
   }

 }

 optionsChecker.perform = function() {
  document.write("<table width=\"100%\">");
  if (optionsChecker.checkClient == "1") {
   document.write("<tr><td align=\"left\">"+translationcheckBrowser+"</td>");
   var clientCheck = optionsChecker.supportedClientsFunction();
   if (clientCheck == "IE6") {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckBrowserIE+"' /></td></tr>");
   } else if (clientCheck > 0) {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckBrowserFailed+"' /></td></tr>");
   }
  }

  if (optionsChecker.checkScreenRes == "1") {
   document.write("<tr><td>"+translationcheckResolution+"</td>");
   var srCheck = optionsChecker.screenResFunction();
   if (srCheck) {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+ translationcheckResolutionFailed + optionsChecker.screenRes.minWidth+"x"+optionsChecker.screenRes.minHeight+".' /></td></tr>");
   }
  }

  if (optionsChecker.checkPopupBlocker == "1") {
   document.write("<tr><td>"+translationcheckPopupBlocker+"</td>");
   var popCheck = optionsChecker.popupBlockerFunction();
   if (popCheck) {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckPopupBlockerFailed+"' /></td></tr>");
   }
  }

  if (optionsChecker.checkCookies == "1") {
   document.write("<tr><td>"+translationcheckCookies+"</td>");
   var cookieCheck = optionsChecker.cookieEnabledFunction();
   if (cookieCheck) {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckCookiesFailed+"' /></td></tr>");
   }
  }

  if (optionsChecker.checkFlash == "1") {
   document.write("<tr><td>"+translationcheckFlash+"</td>");
   var flashCheck = optionsChecker.flashFunction();
   if (flashCheck) {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckFlashFailed+"' /></span></td></tr>");
   }
  }

  if (optionsChecker.checkAcrobat) {
   document.write("<tr><td>"+translationcheckAcrobat+"</td>");
   var acrobatCheck = optionsChecker.perform_acrobat_detection();
   if (acrobatCheck == "installed") {
    document.write("<td><img src='themes/default/images/16x16/success.png' /></td></tr>");
   } else {
    document.write("<td><img src='themes/default/images/16x16/error_delete.png' title='"+translationcheckAcrobatFailed+"' /></td></tr>");
   }
  }

  //close span
  document.write("</table>");
 }

 optionsChecker.init();