// JavaScript Document
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}
// surcharge de la fonction getElementById pour simplifer le codage
function _Elem(id) {
  return document.getElementById(id);
}

function Show() {
	for (var i = 0; i < arguments.length; ++i) {
		_Elem(arguments[i]).style.display = '';
		_Elem(arguments[i]).style.visibility = 'visible';
	}
}

function Hide() {
	for (var i = 0; i < arguments.length; ++i) {
		_Elem(arguments[i]).style.display = 'none';
		_Elem(arguments[i]).style.visibility = 'hidden';
	}
}

function showHide(id) {
	if (_Elem(id).style.display != 'none')
		Hide(id);
	else
		Show(id);
		
}

function ucFirst(str) {
   return str.substr(0,1).toUpperCase() + str.substr(1,str.length);
}

function checkMail(adresse){

var regEx = /([a-z0-9]+([-_]?[a-z0-9]+)*.)*[a-z0-9]+([-_]?[a-z0-9]+)*@([a-z0-9]+([-_]?[a-z0-9]+)*.)+[a-z]{1,4}/gi;  

if (adresse.match(regEx) != adresse ) {

 return false;

} else {

 return true;

}

}

var cp = '';
var old_cp = '';
var villePrx = '';
function doVilles(prx) {
	var remoteVilles = new villes(villesCallBack);
  cp = _Elem(prx+'code_postal').value;
  if (cp != old_cp){
    if (cp) { remoteVilles.getvilles(cp); }
    old_cp = cp ;
	villePrx = prx;
  }
}

var villesCallBack = {
  getvilles: function (aryVilles) {
    var sel = _Elem(villePrx+'ville_id');
    sel.length=0;

	if (!aryVilles) {
		var res = document.createElement('option');
        res.value=0;
        res.innerHTML='Pas de villes pour ce Code postal';
        sel.appendChild(res);
	}
    else {
      for (var i = 0; i < aryVilles.length; ++i) {
        var res = document.createElement('option');
        res.value=aryVilles[i]['ville_id'];
        res.innerHTML=aryVilles[i]['commune'];
        sel.appendChild(res);
      }
      }
    }
  }