function visibilite(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	if (targetElement.style.display == "none")
	{
		targetElement.style.display = "block" ;
	} 
	else 
	{
		targetElement.style.display = "none" ;
	}
}
function visi_block(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	targetElement.style.display = "block" ; 
}
function visi_none(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	targetElement.style.display = "none" ;
	
}


function aleatoire(nombre)
{ 
	variable = Math.floor(Math.random() * (nombre - 1)); 
	document.getElementById("imgaleatoire").setAttribute('href', 'img/Contenu/Screen/HS_Screenshot_'+variable+'.jpg');
	document.getElementById("image").setAttribute('src', 'img/Contenu/Preview/HS_Preview_'+variable+'.jpg');
} 

function redir(url) 
{ 
	window.location.replace(url); 
}