// fonction pour gerer les image dans agenda , evenement passe, voir description
function toggleImg(id,evt) { 
	var tabImg = new Array("big_image"+evt+"0","big_image"+evt+"1","big_image"+evt+"2","big_image"+evt+"3","big_image"+evt+"4");
	//alert("ye");
	img = document.getElementById(id);
	
	for(i=0;i<tabImg.length;i++){
		dd=tabImg[i];
		temp = document.getElementById(dd);
		if(temp != null){
			temp.style.display = 'none';
		}
	}
	img.style.display = "block";	
}

function getNetiquette(pId){
	window.open("pages/netiquette.php?id="+pId+"","netiquette","height=580,width=600,menubar=0,toolbar=0,resizable=0,scrollbars=1");
}

function infolettre_validation(){
	
	with(document.infolettre){
		if(name.value == ""){
			alert("Vous devez entrer votre nom.");
			name.select();
			name.focus();
			return(false);
		}
		reg = new RegExp("^([a-zA-Z0-9_-])+([.]?[a-zA-Z0-9_-]{1,})*@([a-zA-Z0-9-_]{2,}[.])+[a-zA-Z]{2,4}$");
		if(courriel.value == ""){
			alert("Vous devez entrer une adresse courriel.");
			courriel.select();
			courriel.focus();
			return(false);
		}else if (!reg.test(courriel.value)){
			alert("Votre adresse courriel n'est pas conforme.");
			courriel.select();
			courriel.focus();
			return(false);
		}
	}
	return true;
	
}
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);