function showSplash(){
	hideSelectBoxes();
	hideFlash();
	ajusterHauteurMasqueAlpha();
	document.getElementById("masque_alpha").style.display = "block";
	document.getElementById("splash").style.display = "block";
	document.getElementById("masque_alpha").onclick = function(){ closeSplash(); };
}


function closeSplash(){
	removeNode('masque_alpha');
	removeNode('splash');
	showSelectBoxes();
	showFlash();
}


//ajuste la hauteur du masque aplha generer en PHP
function ajusterHauteurMasqueAlpha(){
	
	//Position du dernier Pixel
	var position=get_full_position("bottom_pix");

	//Hauteur du contenu de la page
	var hauteurInterieure = document.documentElement.clientHeight;

	//Pour Opéra, on applique une autre méthode
	if(window.innerHeight > hauteurInterieure){ 
	hauteurInterieure = window.innerHeight;
	}

	var hauteur;
	if(position.top >= hauteurInterieure)	hauteur = position.top;
	else									hauteur = hauteurInterieure;

	document.getElementById("masque_alpha").style.height = (hauteur+20)+"px";
}




/**************************************************
	Affiche et cache les select et les elements flash
**************************************************/
function showSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}


function hideSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}


function showFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}


function hideFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}

}