function WM_imageSwap(daImage, daSrc){
  var objStr,obj;

  // Check to make sure that images are supported in the DOM.
  if(document.images){
    // Check to see whether you are using a name, number, or object
    if (typeof(daImage) == 'string') {
      // This whole objStr nonesense is here solely to gain compatability
      // with ie3 for the mac.
      objStr = 'document.' + daImage;
      obj = eval(objStr);
      obj.src = daSrc;
    } else if ((typeof(daImage) == 'object') && daImage && daImage.src) {
      daImage.src = daSrc;
    }
  }
}

function slideShow(nav){
  if(nbPicture != 0){
    if(nav == 'prev'){
      if (active == 0) { active = nbPicture-1 } else { active = active -1 }
	}else{
	  if (active == (nbPicture-1)) { active = 0 } else { active = active + 1 }
	}
    var current_picture = new Image();
	current_picture.src = pictures[active];
	
	document['slideShow'].src = current_picture.src
	document.getElementById("indic").innerHTML = (active+1)+"/"+nbPicture ;
  }
}
function VerifData(f,lg) {
	var MsgErreurs	= new Array();
	var i = 0;
	var TexteErreurs	= "";

	if (f.username.value.length==0) { 
		if (lg=='fr'){
		  MsgErreurs[i++]="* Nom d'utilisateur";
		}else{
		  MsgErreurs[i++]="* Username";
		}
	}
	if (f.password.value.length==0) { 
		if (lg=='fr'){
		  MsgErreurs[i++]="* Mot de passe";
		}else{
		  MsgErreurs[i++]="* Password";
		}
	}
	if (MsgErreurs.length > 0){ 
		if (lg=='fr'){
		  TexteErreurs += "Veuiller remplir ces champs : \n\n";
		}else{
		  TexteErreurs += "Please fill out these field: \n\n";
		}
		for (i=0; i < MsgErreurs.length; i++) { 				    
			TexteErreurs += "  " + MsgErreurs[i] + "\n";
		}
		alert(TexteErreurs);
		return false;
	} 
}