function getCookieVal (offset) 
   {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1)
      endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
   }

function GetCookie (name) 
   {
   var arg = name + "=";
   var alen = arg.length;
   var clen = document.cookie.length;
   var i = 0;
   while (i < clen) 
      {
      var j = i + alen;
      if (document.cookie.substring(i, j) == arg)
         return getCookieVal (j);
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0) break; 
      }
   return null;
   }

function SetCookie (name, value) 
   {
   var argv = SetCookie.arguments;
   var argc = SetCookie.arguments.length;
   var expires = (argc > 2) ? argv[2] : null;
   var path = (argc > 3) ? argv[3] : null;
   var domain = (argc > 4) ? argv[4] : null;
   var secure = (argc > 5) ? argv[5] : false;
   document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
   }

function DeleteCookie () 
   {
   var exp = new Date();
   exp.setTime (exp.getTime() - 1000000000);  // This cookie is history (changed -1 to make it previous time)
   var cval = GetCookie ('CJA');
   document.cookie ='CJA' + "=" + cval + "; expires=" + exp.toGMTString();
   alert("The cookie has been deleted.");
   }

function DisplayName()
   {
   if(GetCookie('CJA') != null)
      alert("Welcome back "+GetCookie('CJA'));
   else
      alert("You must set the cookie first.");
   }

function printpage()
{
window.print()
}

function bookmark()
{
var dir = location.href.substring(0,location.href.lastIndexOf('/'));
var url = location.href.substring(dir.length,location.href.length);
window.external.AddFavorite(dir + url,dir + url + "[" + document.title + "]")
}

function changeSheets(whichSheet){
SetCookie ('CJA', whichSheet);
  if(document.styleSheets){
    var c = 3;
//document.styleSheets.length + 1;
    for(var i=1;i<c;i++){
      if(i!=whichSheet){
        document.styleSheets[i].disabled=true;
      }else{
        document.styleSheets[i].disabled=false;
      }
    }
  }
}