function isdefined( variable)
{
    return (typeof(window[variable]) == "undefined")?  false: true;
}
function pop0(contenu,iddiv,idimg)
{
if(iddiv == null) { iddiv = "bulle"; }
if(idimg == null) { idimg = "imgpopup"; }
document.getElementById(idimg).src = contenu;
document.getElementById(iddiv).style.display = 'block';
}
function suivre_souris0(e)
{
if (navigator.appName=="Microsoft Internet Explorer")
    {
    
    version=0
    if (navigator.appVersion.indexOf("MSIE")!=-1)
        {
        temp=navigator.appVersion.split("MSIE")
        version=parseFloat(temp[1])
        }
    
    if (version>6.0)
        {
        var x = event.clientX + document.documentElement.scrollLeft;	var y = event.clientY + document.documentElement.scrollTop;
        }
        else
        {
        var x = event.clientX + document.body.scrollLeft;	var y = event.clientY + document.body.scrollTop;
        }
    
    }
else
{
var x =  e.pageX;var y =  e.pageY;
}
newx = x + decal_x;
newpx = newx + 'px';
newy = y + decal_y;
newpy = newy + 'px';
document.getElementById("bulle").style.left = newpx; document.getElementById("bulle").style.top  = newpy;
document.getElementById("bulle100").style.left = newpx; document.getElementById("bulle100").style.top  = newpy;
}
function disparaitre0(iddiv)
{
if(iddiv == null) { iddiv = "bulle"; }
document.getElementById(iddiv).style.display = 'none';
}