function GetID(id) { return document.getElementById(id); } 
function montrerFenetre(src,id_div,id_img) {
    var overlay = GetID('overlay');
    overlay.style.visibility = "visible";

	var my_image = GetID(id_img);
	my_image.src = src;
	
	var my_window = GetID(id_div);
	my_window.style.visibility = "visible";
}

function cacherFenetre(id_div) {
    var overlay = GetID('overlay');
    overlay.style.visibility = "hidden";

	var my_window = GetID(id_div);
	my_window.style.visibility = "hidden";
}

//------------------------------------------------------------------------------------
// Swap pages intérieures
//------------------------------------------------------------------------------------

function swapint(id)
{
  var tmp;
  if (document.all) tmp = document.all(id).style.display;
     else tmp = document.getElementById(id).style.display;
  //alert(tmp);
  if (tmp=="none") {
   if (document.all) document.all(id).style.display = "block";
     else document.getElementById(id).style.display = "block";
  } else {
   if (document.all) document.all(id).style.display = "none";
     else document.getElementById(id).style.display = "none";
  }
  resize();
}