function afficher_message(){
	document.getElementById('bloc_message').style.visibility = 'visible';
	document.getElementById('bloc_message').style.display = 'block';
	document.getElementById('prof_message').style.visibility = 'visible';
	document.getElementById('prof_message').style.display = 'block';
}

function connexion_ajax(x,y){
	var XHR = new XHRConnection();
	XHR.appendData("div_x", x);
	XHR.appendData("div_y", y);
	XHR.appendData("jid", jid);
	XHR.sendAndLoad("./ajax/dragdrop.php", "POST");
}

function afficher_loader(){
document.getElementById('message').innerHTML = '<img src="./design/loaderv2.gif" />';
}

var ssold = 'cpt';
	
function ssmenu(id){
	document.getElementById('ssmenu_'+ssold).style.visibility = 'hidden';
	document.getElementById('ssmenu_'+ssold).style.display = 'none';
	document.getElementById('ssmenu_'+id).style.visibility = 'visible';
	document.getElementById('ssmenu_'+id).style.display = 'block';
	document.getElementById('menu_'+ssold).style.color = '#FFFFFF';
	document.getElementById('menu_'+id).style.color = '#F5E575';
	ssold = id;
}

function fermer_niveau0(){
	document.getElementById('affichage_niveau0').style.visibility = 'hidden';
	document.getElementById('affichage_niveau0').style.display = 'none';
}

function switch_tuto(){
	if(document.getElementById('div_tutorial').style.visibility == "hidden"){
		document.getElementById('div_tutorial').style.visibility = "visible";
		document.getElementById('div_tutorial').style.display = "block";
	}
	else{
		document.getElementById('div_tutorial').style.visibility = "hidden";
		document.getElementById('div_tutorial').style.display = "none";
	}
}

function baisser(){
	id="dmsg";
	var t=document.getElementById(id).getAttribute('t');
	t=parseInt(t);
	t-=30;
	document.getElementById(id).style.top=t+'px';
	document.getElementById(id).setAttribute('t',t);
	document.getElementById(id).style.position='absolute';
}

function monter(){
	id="dmsg";
	var t=document.getElementById(id).getAttribute('t');
	t=parseInt(t);
	t+=30;
	if(t>0) return;
	document.getElementById(id).style.top=t+'px';
	document.getElementById(id).setAttribute('t',t);
	document.getElementById(id).style.position='absolute';
}