function sauce(f,id)
{
	if(f.checked == true)
	{
		//alert(f.checked);
		document.getElementById("bloc_"+id).style.display= "block";
		var height;
		height = getHeightByElementHTML("zone_contenu");
		//alert(height);
		document.getElementById("zone_contenu").style.height = (height +50)+'px';
	}
	else
	{
		//alert(f.checked);
		document.getElementById("bloc_"+id).style.display= "none";
		
	}
}