function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

function affiche(obj)
{
	//alert(obj);
	
	switch(obj)
	{
		case "categorie" :
		document.getElementById('cat').style.display = "inline";
		document.getElementById('dep').style.display = "none";
		break;
		
		case "departement" :
		document.getElementById('cat').style.display = "none";
		document.getElementById('dep').style.display = "inline";
		break;
		
		case "professionnel" :
		document.getElementById('code').style.display = "inline";
		break;
		
		case "autrecode" :
		document.getElementById('autrecode').style.display = "inline";
		document.getElementById('MembreNum').value = "";
		document.getElementById('num').style.display = "none";
		break;
		
		case "rcs" :
		case "maisonartistes" :
		case "independant" :
		document.getElementById('MembreAutrenum').value = "";
		document.getElementById('autrecode').style.display = "none";
		document.getElementById('num').style.display = "inline";
		break;
		
		case "particulier" :
		document.getElementById('code').style.display = "none";
		document.getElementById('autrecode').style.display = "none";
		break;
		
		case "chambre d'enfant" :
		document.getElementById('enfant').style.display = "inline";
		document.getElementById('autretxt').style.display = "none";
		document.getElementById('dbleliv').style.display = "none";
		break;
		case "autres" :
		document.getElementById('enfant').style.display = "none";
		document.getElementById('autretxt').style.display = "inline";
		document.getElementById('dbleliv').style.display = "none";
		break;
		
		case "double-living" :
		document.getElementById('autretxt').style.display = "none";
		document.getElementById('enfant').style.display = "none";
		document.getElementById('dbleliv').style.display = "inline";
		break;
		default :
			if(document.getElementById('enfant'))
			{
				document.getElementById('enfant').style.display = "none";
			}
			if(document.getElementById('autretxt'))
			{
				document.getElementById('autretxt').style.display = "none";
			}
			if(document.getElementById('dbleliv'))
			{
				document.getElementById('dbleliv').style.display = "none";
			}
			if(document.getElementById('code'))
			{
				document.getElementById('code').style.display = "inline";
			}
		break;
		

	}
	
}