/* GZIP on the fly by Raccoon Framework http://www.wt.com.mx/ */
/**
 * @version 0.1
 * @author Alejandro -aztkgeek- Galindo <agalindo at wt dot com dot mx>
 * @copyright Copyright (C) 2006 Web Technologies Networks S.A. de C.V.
 * @package Raccoon.RUI
 * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
 * Raccoon is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses.
 * See COPYRIGHT.php for copyright notices and details.
 */


// Namespaces, index
RACCOON.namespace("RACCOON.html.checkbox");
RACCOON.namespace("RACCOON.html.checkbox.check2image");
RACCOON.namespace("RACCOON.html.checkbox.checkAll");


/**
 * @author   http://gatsu.ftp.free.fr/
 * @author   Alejandro -aztkgeek- Galindo, Web Technologies Networks S.A. de C.V. www.wt.com.mx
 * @usage    window.onload = RACCOON.html.checkbox.check2image;
 * @usage    YAHOO.util.Event.addListener(window, 'load', RACCOON.html.checkbox.check2image);
 */
RACCOON.html.checkbox.check2image.image_checkbox_on = "chk_on.gif";
RACCOON.html.checkbox.check2image.image_checkbox_off = "chk_off.gif";
RACCOON.html.checkbox.check2image = function() {
  //Var Random afin de generer des id
  var Rnd = parseInt(100000*Math.random());

  if (!document.getElementById && !document.getElementsByTagName)
  	return;

  var allInp = document.getElementsByTagName("input");

  for (var i=0; i<allInp.length; i++) {
     if (allInp[i].type && allInp[i].type.toLowerCase() == "checkbox") { //if checkbox
        var img = allInp[i].parentNode.insertBefore(document.createElement("img"),allInp[i]);

        //initialisation de l'image
        img.src = (allInp[i].checked) ? ImgCkbOn : ImgCkbOff;
        img.ImgCkbOn = RACCOON.html.checkbox.check2image.image_checkbox_on; //src img on
        img.ImgCkbOff = RACCOON.html.checkbox.check2image.image_checkbox_off; // src img off
        allInp[i].id = (allInp[i].id) ? allInp[i].id : ("InpImgCkb"+Rnd)+i; //creation id for input
        img.associated = allInp[i].id; //associate img with input
        img.id = "Img" + img.associated; //add id
        img.style.paddingRight = "3px";
        allInp[i].associated = img.id; //addociat input with img
        
        //gestion du onclick sur l'image
        img.onclick = function() {  //Add onclick function
           var MyInp = document.getElementById(this.associated);
           if (MyInp.checked) {
              this.src = this.ImgCkbOff; MyInp.checked = "";
           } else {
              this.src = this.ImgCkbOn; MyInp.checked = "checked";
           }
           this.HasBeenClicked = true;
        }//imgonclick
        //gestion du changement de l'image si changement du input par une autre action (click sur label et autre)
        allInp[i].onchange = function () {
           var MyImg = document.getElementById(this.associated);
           if (this.checked) {
              MyImg.src = MyImg.ImgCkbOn;
           } else {
              MyImg.src = MyImg.ImgCkbOff; 
           }
        }
        allInp[i].onclick = allInp[i].onchange;
        //on ne doit pas utiliser de display, sinon l'action sur label ne fonctionne pas sous certains navigateur :/
        with (allInp[i].style) {
           overflow = "hidden";
           width = "0px";
           height = "0px";
           if (!document.all ||window.opera) {
             display = "none";  
           }
        }
     }//if_allInp[i]
     
   }//for_i
}

/**
 * value = true/false
 * checkbox_name = nombre_campo[]
 */
RACCOON.html.checkbox.checkAll = function() {
	var checkboxes = document.getElementsByName(checkbox_name);
	for (i = 0; i < checkboxes.length; i++) {
		if (checkboxes[i].type == "checkbox") {
			checkboxes[i].checked = value;
		}
	}
}