function ShowHide(strElement)
	{
	var strImage = "img_" + strElement;
	
	if (document.getElementById(strImage).style.display == "none")
		{
		// on montre l'élément
		//document.getElementById(strImage).style.display = "";
		new Effect.Appear( document.getElementById(strImage) );
		}
	else
		{
		// on cache l'élément
		//document.getElementById(strImage).style.display = "none";
		new Effect.Fade( document.getElementById(strImage) );
		}
	}

function sp(divPlanete)
	{
	// Montrer l'infobulle détaillée
	document.getElementById('i_'+divPlanete).style.display = "block";
	
	// Popup de détail
	/*
	var h = 800;
	var l = 600;
	var top=(screen.height-h)/2;
	var left=(screen.width-l)/2;
	var options = "menubar=no,scrollbars=no,statusbar=no";
	var pagepop = "popup_planete.php?planete="+divPlanete;
	window.open(pagepop,"","top="+top+",left="+left+",width="+h+",height="+l+","+options);
	*/
	}

function hp(divPlanete)
	{
	// cacher l'infobulle détaillée
	document.getElementById('i_'+divPlanete).style.display = "none";
	}

function goGPS(valeur)
	{
	var valeurs = valeur.split('#');
	var gps_x = valeurs[0];
	var gps_y = valeurs[1];

	document.getElementById("img_gps").style.display = "block";
	document.getElementById("img_gps").style.left = gps_x - 18;
	document.getElementById("img_gps").style.top = gps_y - 18;
	}