function writediv(texte)
{
document.getElementById("miniature_photo").innerHTML = texte;
}

function upload_photo(file_name)
{

 if(texte = file('photo.php?name='+escape(file_name)))
{
	writediv(texte);
}
}

function file(fichier)
{
     if(window.XMLHttpRequest) // FIREFOX
          xhr_object = new XMLHttpRequest();
     else if(window.ActiveXObject) // IE
          xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
     else
          return(false);
     xhr_object.open("GET", fichier, false);
     xhr_object.send(null);
     if(xhr_object.readyState == 4) return(xhr_object.responseText);
     else return(false);

}