function alpha_on()
{
	document.body.style.background='#333333';
	document.getElementById("alpha").style.display="block";
}

function alpha_off()
{
	document.body.style.background='url(../img/interface/background.gif)';
	document.getElementById("alpha").style.display="none";
}

/*
var opacityAplha = 70;

//créer un masque alpha 
function alpha_on(){
	
	//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;

	//création du masque completement transparent
	//var masque = document.createElement("div");
	//masque.setAttribute("id", "masque");
	
	var masque = document.getElementById('alpha');
	
	masque.style.position 			= "absolute";
	masque.style.top 				= "0";
	masque.style.left 				= "0";
	masque.style.height 			= hauteur+"px";
	masque.style.width 				= "100%";
	masque.style.backgroundColor 	= "#000";
	masque.style.opacity 			= opacityAplha/100;
	masque.style.filter				= "alpha(opacity="+opacityAplha+")";
	masque.style.display			= "block";

	masque.onclick = function() { alpha_off(); };
	
	//on cache les selects et elements flash
	hideSelectBoxes();
	
	//document.body.appendChild(masque);
}

//Supprimer le masque
function alpha_off(){
	removeNode('masque');
	document.getElementById('alpha').style.display = "none";
}
*/

/**************************************************
	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";
	}

}

/************************************************************/




function montre(id)
{
	document.getElementById(id).style.display = "block";
}

function cache(id)
{
	document.getElementById(id).style.display = "none";
}

function popup_recrute_montre()
{
	alpha_on();
	montre("popup_recrute");
}

function popup_recrute_cache()
{
	cache("popup_recrute");
	alpha_off();
}


/************************ controle du champ recherche ***************/
function rech_efface(value)
{
	if(value == "Rechercher") document.getElementById("recherche").value = "";
}





/********************Création dynamique de l'objt flash*********************/
function displayFlash(flashFile, width, height){
	alpha_on();
	var divFlash = document.createElement("DIV");
	divFlash.setAttribute("id", "displayFlash");
	divFlash.style.width=width+"px";
	divFlash.style.height=(parseInt(height)+30)+"px";
	divFlash.style.backgroundColor="white";
	
	var divFlashFile = document.createElement("DIV");
	divFlash.appendChild(divFlashFile);
	divFlashFile.setAttribute("id", "divFlashFile");
	document.body.appendChild(divFlash);
	
	swfobject.embedSWF(flashFile, "divFlashFile", width, height, "9.0.0");
	
	
	//Calcul de la distance depuis le haute d la page
	var top = (document.body.clientHeight/2)-(height/2);
	
	document.getElementById("displayFlash").style.position="absolute";
	document.getElementById("displayFlash").style.zIndex="50";
	document.getElementById("displayFlash").style.top=top+"px";
	document.getElementById("displayFlash").style.left="50%";
	document.getElementById("displayFlash").style.textAlign="center";
	document.getElementById("displayFlash").style.marginLeft="-"+(width/2)+"px";
	
	
	var divBottom = document.createElement("DIV");
	divBottom.style.width=width+"px"
	divBottom.style.height="30px";
	divBottom.style.position="absolute";
	divBottom.style.bottom="0px";
	divBottom.style.left="0px";
	divBottom.style.textAlign="center";
	
	var lien = document.createElement("A");
	lien.appendChild(document.createTextNode("Fermer"));
	lien.style.color="#7A7A7A";
	lien.style.textDecoration="none";
	lien.style.fontSize="11px";
	lien.style.cursor="pointer";
	lien.onclick=function(){
		if (document.getElementById('displayFlash')) document.getElementById('displayFlash').parentNode.removeChild(document.getElementById('displayFlash'));	
		alpha_off();
	}
	divBottom.appendChild(lien);
	document.getElementById("displayFlash").appendChild(divBottom);
	
	document.getElementById("alpha").onclick=function(){
		if (document.getElementById('displayFlash')) document.getElementById('displayFlash').parentNode.removeChild(document.getElementById('displayFlash'));	
		alpha_off();
		
	}
}