function deploy_mg_1(id)
{
    var elt_ = document.getElementById(id)
    if (elt_!=null)
    {
        if(elt_.style.display=="block")
        {
            elt_.style.display="none";
        }
        else
        {
            elt_.style.display="block";
        }
    }
}

function changestyle(id)
{
    var elt_ = document.getElementById(id)
    if (elt_!=null)
    {
        if(elt_.className.indexOf('_off')>=0)
        {
            elt_.className = elt_.className.replace('_off','_on');
        }
        else
        {
            elt_.className = elt_.className.replace('_on','_off');
        }
    }
}

function affichelog(DivToShow) {
    var d0 = document.getElementById(DivToShow);
    
    if (d0.style.display == 'none')
    	d0.style.display='block';
    else
    	d0.style.display='none';
}
function afficheGrandeVignette(id)
{
    var elt_called = document.getElementById(id);
    if (id.toString().indexOf("tail") > 0)
    {
        var elt_other = document.getElementById('situationGrande');
        
    }
    else
    {
        var elt_other = document.getElementById('detailGrande');
    }
    if(elt_called.style.display == 'none')
    {
           elt_called.style.display = 'block';
           elt_other.style.display = 'none';        
    }
}

function affiche_legende()
{
	var elt_ = document.getElementById('id_legende');
	if(elt_!=null)
	{
        if(elt_.style.display=="block")
        {
            elt_.style.display="none";
	    elt_.style.visibility="hidden";
        }
        else
        {
            elt_.style.display="block";
	    elt_.style.visibility="visible";
        }
	}	
}