function Escapear(_sCadena)
{
  var _sCadenaSalida="";
  var _cChar;
  
  _i=0; _j=0;
  while (_i<_sCadena.length){
      _cChar = _sCadena.substring(_i,_i+1);
	if (_cChar == "+") 	_sCadenaSalida+="%2B";
	else if (_cChar == " ") _sCadenaSalida+="+";
	else if (_cChar == '"') _sCadenaSalida+="%22";
	else if (_cChar == ":") _sCadenaSalida+="%3A";
	else if (_cChar == "!") _sCadenaSalida+="%21";
	else if (_cChar == "|") _sCadenaSalida+="%7C";
	else if (_cChar == "(") _sCadenaSalida+="%28";
	else if (_cChar == ")") _sCadenaSalida+="%29";
	else if (_cChar == "&") _sCadenaSalida+="%26";
	else if (_cChar == ";") _sCadenaSalida+="%3B";
	else if (_cChar == ",") _sCadenaSalida+="%2C";
	//else if (_cChar == "=") _sCadenaSalida+="=3D";
	else if (_cChar == "%") _sCadenaSalida+="%25";
	else if (_cChar == "?") _sCadenaSalida+="%3F";
	else _sCadenaSalida+=_cChar;	
	_i++;
  }// WHILE  
  return _sCadenaSalida;
}