function checkSignupForm() { 
   var form = document.forms['lb_register'];
   var lb_fields = new Array('name', 'username', 'email', 'password');
   var lb_titles = new Array('Name', 'Username', 'Email', 'Password');
   var error = '';
   for (var i = 0; i < lb_fields.length; i++) {
      var key = lb_fields[i];
      var value = document.getElementById('lb_' + key).value;
      if ('' == value || ' ' == value) {
         error = lb_titles[i];
         break;
      }
   }
   if ('' != error) {
      alert("Vous devez saisir tous les champs du formulaire.");
      return false;
   } else {
      if (document.getElementById('lb_password2').value !=  document.getElementById('lb_password').value) {
         alert("Le mot de passe resaisi ne correspond pas.");
         return false;
      }
   }
   form.submit();
}
function onOpenLoginBox() {
   var boxDiv = document.getElementById('lb_box');
   boxDiv.style.display = 'block';
   center(boxDiv);

   var filterDiv = document.getElementById('lb_filter');
   filterDiv.style.display='block';
}
function onCloseLoginBox() {
   var boxDiv = document.getElementById('lb_box');
   boxDiv.style.display = 'none';
   var filterDiv = document.getElementById('lb_filter');
   filterDiv.style.display='none';
}
function center(element) {
   var my_width  = 0;
   var my_height = 0;
   var divWidth = 492;
   var divHeight = 410;
   if ( typeof( window.innerWidth ) == 'number' ){
      my_width  = window.innerWidth;
      my_height = window.innerHeight;
   }else if ( document.documentElement &&
   ( document.documentElement.clientWidth ||
   document.documentElement.clientHeight ) ){
      my_width  = document.documentElement.clientWidth;
      my_height = document.documentElement.clientHeight;
   }
   else if ( document.body &&
   ( document.body.clientWidth || document.body.clientHeight ) ){
      my_width  = document.body.clientWidth;
      my_height = document.body.clientHeight;
   }
   element.style.position = 'absolute';
   element.style.zIndex   = 99;
   var scrollY = 0;
   if ( document.documentElement && document.documentElement.scrollTop ){
      scrollY = document.documentElement.scrollTop;
   }else if ( document.body && document.body.scrollTop ){
      scrollY = document.body.scrollTop;
   }else if ( window.pageYOffset ){
      scrollY = window.pageYOffset;
   }else if ( window.scrollY ){
      scrollY = window.scrollY;
   }
   var setX = ( my_width  - divWidth  ) / 2;
   var setY = ( my_height - divHeight ) / 2 + scrollY;
   setX = ( setX < 0 ) ? 0 : setX;
   setY = ( setY < 0 ) ? 0 : setY;
   element.style.left = setX + "px";
   element.style.top  = setY + "px";
   element.style.display  = 'block';
}
function WhereMouse(e)
{
var DocRef;
if( e){
    Mouse_X = e.pageX;
    Mouse_Y = e.pageY;
} else {
    Mouse_X = event.clientX;
    Mouse_Y = event.clientY;
    if( document.documentElement && document.documentElement.clientWidth)
      DocRef = document.documentElement;
    else
      DocRef = document.body;
    Mouse_X += DocRef.scrollLeft;
    Mouse_Y += DocRef.scrollTop;
  }
}
document.onmousemove = WhereMouse;
function affAide(contenu)
{
	document.getElementById('bulle_aide').innerHTML = contenu;
	document.getElementById('bulle_aide').style.display = 'block';
	document.getElementById('bulle_aide').style.top = Mouse_Y + 15 +'px';
	document.getElementById('bulle_aide').style.left = Mouse_X + 15 +'px';
}
function cacheAide()
{
	document.getElementById('bulle_aide').style.display = 'none';
}
function switch_ligue(ligue) {
if (document.getElementById(ligue))
   {
	if (document.getElementById(ligue).style.visibility == "hidden") {
		document.getElementById(ligue).style.visibility = "visible";
		document.getElementById(ligue).style.display = "block";
	} else {
		document.getElementById(ligue).style.visibility = "hidden";
		document.getElementById(ligue).style.display = "none";
	}
   }
}
function simule_gains(choix) {
   if (document.getElementById('gains_'+choix))
   {
	mise = document.getElementById('mise_'+choix).value;
	mise = mise.replace(" €","");
	mise = mise.replace("€","");
	label_mise = mise + ' €';
	document.getElementById('mise_'+choix).value = label_mise;
	gagne = document.getElementById('cote_'+choix).innerHTML;
 	gagne = gagne * mise;
	gagne = gagne.toFixed(0);
	document.getElementById('gains_'+choix).innerHTML = gagne;
   }
}