var login_required = true;

function fCheckCookie(){

if(!login_required){
     return;
}

var Login = getCookie('login');
var strippedValue = "";

//alert(Login);

     if((Login != undefined)&&(Login != null)){

          for (k=0; k < Login.length; k++) {
               var character = Login.charAt(k);
               if(character == "+"){
                    character = " ";
               }
               strippedValue += character;
          }
          if(strippedValue != ""){
               Login = strippedValue;
          }
          else{
               Login = null;
          }

          if(Login == null){
               document.location = "login.html";
          }
     }
     else{
          document.location = "login.html";
     }

}

function getCookie(name){

     // Simply retreives a cookie

if((name == "")||(name == null)||(name == "undefined")){
    return null;
}

var cname = name + "=";
var dc = document.cookie;
     if (dc.length > 0) {
          begin = dc.indexOf(cname);
          if (begin != -1) {
               begin += cname.length;
               end = dc.indexOf(";", begin);
               if (end == -1) end = dc.length;
               return unescape(dc.substring(begin, end));
          }
     }
return null;
}