var queryS="";
var engine="V";

function SetCookie (name, value) {
         var argv = SetCookie.arguments;
         var argc = SetCookie.arguments.length;

         var d = new Date();

         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) +
         ((path == null) ? "" : ("; path=" + path)) +
         ((domain == null) ? "" : ("; domain=" + domain)) +
         ((secure == true) ? "; secure" : "");
}
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 decide( s )
{ 
  var cnt=0;

  var x=s.split( "+" );
  for ( var i=0; i<x.length; i++ )
  { 
    if ( x[i]=="US" || x[i]=="CITIZENSHIP" || x[i]=="CITIZEN" || x[i]=="USA" )
       cnt++;
  }

  if ( cnt >= 2 ) return true;
  return false;
}

function handle( ref, st )
{
  var q = ref.indexOf( st );
  if ( q<0 ) return false;

  var k=ref.indexOf( "&", q+2 );
  if ( k<0 ) return false;

  queryS=ref.substring( q+2, k );

  return decide( queryS );
}

function handleGoogle( ref )
{ return handle( ref, "Q=");
}

function handleYahoo( ref )
{ return handle( ref, "P=");
}

function genURL()
{ 
  isUS();
  var tt="q="+queryS+"&eng="+engine;
  return tt;
}

function isUS( )
{ var ref=document.referrer;

  var question = ref.indexOf( "?" );

  if ( question<0 )
    return false;
  
  ref= ref.toUpperCase()+"&";
  var host=ref.substring( 0, question );

  ref = ref.substring( question+1 );
  var se = host.indexOf( "GOOGLE" );
  if ( se >=0 )
  { engine="G";
    return handleGoogle(ref);
  }

  se = host.indexOf( "YAHOO" );
  if ( se >=0 )
  { engine="Y";
    return handleYahoo(ref);
  }

  se = host.indexOf( ".MSN." );
  if ( se >=0 )
  { engine="M";
    return handleGoogle(ref);
  }

  se = host.indexOf( ".ASK." );
  if ( se >=0 )
  { engine="A";
    return handleGoogle(ref);
  }

  se = host.indexOf( ".ALTAVISTA." );
  if ( se >=0 )
  { engine="T";
    return handleGoogle(ref);
  }

  return false;  
}