1 /**

     2  * XML Web generátor – program na generování webových stránek

     3  * Copyright © 2012 František Kučera (frantovo.cz)

     4  * 

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, either version 3 of the License, or

     8  * (at your option) any later version.

     9  * 

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13  * GNU General Public License for more details.

    14  * 

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.

    17  */

    18 

    19 /**

    20  * XML Web generátor – jmenný prostor 

    21  */

    22 var xwg = { 

    23 	/**

    24 	 * Zašifruje/dešifruje obsah elementu pomocí Rot13.

    25 	 * @param id ID elementu, jehož text chceme změnit.

    26 	 */

    27 	rot13: function(id) {

    28 		var e = document.getElementById(id);

    29 		e.textContent = e.textContent.rot13();

    30 	}

    31 };

    32 

    33 /**

    34  * Vrací hodnotu textového řetězce zašifrovanou/dešifrovanou algoritmem Rot13 

    35  */

    36 String.prototype.rot13 = function() {

    37 	return this.replace(/[a-zA-Z]/g, function(z) {

    38 		return String.fromCharCode((z <= "Z" ? 90 : 122) >= (z = z.charCodeAt(0) + 13) ? z : z - 26);

    39 	});

    40 };

    41