if (window.top.frames.length > 0) {
  window.top.location = window.location;
}

function scTestBrowser() {
  return true;

  var agt = navigator.userAgent.toLowerCase();

  var is_major = parseInt(navigator.appVersion);
  var is_minor = parseFloat(navigator.appVersion);

  var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
  var is_ie3    = (is_ie && (is_major < 4));
  var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
  var is_ie4up  = (is_ie && (is_major >= 4));
  var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
  var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
  var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
  var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
  var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
  var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
  
  if (!is_ie6up) {
    alert("Your are currently using " + navigator.userAgent + " (" + is_major + "." + is_minor + ") as your browser.\n\n" +
      "The Sitecore client requires Internet Explorer 6.0 or later.\n\n" +
      "You will probably not be able to run the Sitecore client.");
    return false;
  }
  
  return true;
}

function onLoad() {
  scTestBrowser();

  onTabClick('AdvancedLoginTab');

  var ctl = document.getElementById("UserName");
  if (ctl != null) {
    if (ctl.value == "") {

      var agt = navigator.userAgent.toLowerCase();
      var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
      if (is_ie) {
        onClick('AdvancedOptions', 'AdvancedDesktop', '/sitecore/shell/default.aspx')
      } else {
        onClick('AdvancedOptions', 'AdvancedContentEditor', '/sitecore/shell/applications/clientusesoswindows.aspx')
      }
    }
    if (ctl.value != "") {
      ctl = document.getElementById("Password");
    }
    try {
      ctl.focus();
    }
    catch(e) {
    }
  }
}

function onClick(panelName, option, startUrl) {
  var panel = document.getElementById(panelName);

  var elements = panel.getElementsByTagName("BUTTON");
  
  for(var n = 0; n < elements.length; n++) {
    var element = elements[n];
    
    if (element.id.indexOf(option) >= 0) {
      element.className = "OptionBoxOptionsActive";
    }
    else if (element.className == "OptionBoxOptionsActive") {
      element.className = "";
    }
  }
  
  var element = document.getElementById(panelName + "StartUrl");
  element.value = startUrl;
}

function onTabClick(option) {
  var menu = document.getElementById("Menu");
  
  for(var n = 0; n < menu.childNodes.length; n++) {
    var element = menu.childNodes[n];
    
    if (element.id == option) {
      element.className = "MenuLinkActive";

      var frame = document.getElementById(element.id + "Panel");
      frame.style.display = "";
    }
    else if (element.className == "MenuLinkActive") {
      element.className = "MenuLink";
      
      var frame = document.getElementById(element.id + "Panel");
      frame.style.display = "none";
    }
  }
  
  var element = document.getElementById("ActiveTab");
  element.value = option;
}