function visibilite(thingId)
{
var targetElement;
targetElement = thingId;

if (targetElement=="bloc-service"){
	document.getElementById('bloc-service').style.display = "";
	document.getElementById('bloc-gains').style.display = "none" ;
}

if (targetElement=="bloc-gains"){
	document.getElementById('bloc-gains').style.display = "";
	document.getElementById('bloc-service').style.display = "none" ;
}

/*if (targetElement.style.display == "none")
{
targetElement.style.display = "" ;
} else {
targetElement.style.display = "none" ;
}*/
}

function popupcentree(page,largeur,hauteur,options) 
{     
var top=(screen.height-hauteur)/2;     
var left=(screen.width-largeur)/2;     
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options); 
}