// debug mode; 1=on, 0=off
var debug=0;

// delete confirmation
function confirmDelete( ) {
  if( confirm('Do you REALLY want to delete this?') ) return true;
  else return false;
}

// url handling
function urlencode( str ) {
  str=escape( str );
  str=str.replace( '+','%2B' );
  str=str.replace( '%20','+' );
  str=str.replace( '*','%2A' );
  str=str.replace( '/','%2F' );
  str=str.replace( '@','%40' );
  return str;
}

function urldecode( str ) {
  str=str.replace( '+',' ' );
  str=unescape( str );
  return str;
}

function ctype_digit( word ) {
  word=word.replace( /[0-9]/gi,"" );
  if( word.length==0 ) {
    return true;
  } else {
    return false;
  }
}

function ctype_float( word ) {
  word=word.replace( /[0-9]/gi,"" );
  word=word.replace( /\./gi,"" );
  if( word.length==0 ) {
    return true;
  } else {
    return false;
  }
}