var overlay_js_w3c=document.getElementById && !document.all;
var overlay_js_ie=document.all;

if (overlay_js_ie || overlay_js_w3c) {
 // déclaration des variables uniquement pour IE vive microsoft ?!!
 var overlay_js_overlay;
 var overlay_js_window;
}


//<div id=""overlay"" class=""calque""></div><div id=""window"" class=""window"">

function displayLayerWindow(loadingImage,loadingImageClass,windowContent,windowID,iframeID,layerID){
//                                       ,'image_calque',                   ,'window'                  ,'overlay'
	tmpText = "<table class='"+loadingImageClass+"' valign='middle' border='0' align='center'>";
	tmpText += "<tr>";
	tmpText += "<td>";
	tmpText += "<IMG  SRC='"+loadingImage+"'>";
	tmpText += "</tr>";
	tmpText += "</td>";
	//tmpText += "</table>";
	displayLayer(tmpText,layerID);
	displayWindow(windowContent,windowID,iframeID);
}

function displayLayer(text,layerID) {
  if (overlay_js_w3c || overlay_js_ie){
    overlay_js_overlay = document.all ? document.all[layerID] : document.getElementById ? document.getElementById(layerID) : ""
	overlay_js_overlay.innerHTML = text; // fixe le code HTML dans l'overlay balise (div)
    overlay_js_overlay.style.visibility = "visible"; // modification du style

  }
}

function displayWindow(html,windowID,iframeID) {
  if (overlay_js_w3c || overlay_js_ie){
    //affichage de la fenetre
	overlay_js_window = document.all ? document.all[windowID] : document.getElementById ? document.getElementById(windowID) : ""
    overlay_js_window.style.visibility = "visible";

	// affichage du corps de la fenêtre (balise iframe)
    overlay_js_window = document.all ? document.all[iframeID] : document.getElementById ? document.getElementById(iframeID) : ""
    overlay_js_window.style.visibility = "visible";
    frames[iframeID].location.href = html ;

  }
}

function hideLayerWindow(windowID,iframeID,layerID){
	if (overlay_js_w3c || overlay_js_ie){

	// masque la fenetre (balise div [window] )
	overlay_js_window = document.all ? parent.document.all[windowID] : parent.document.getElementById ? parent.document.getElementById(windowID) : ""
	overlay_js_window.style.visibility = "hidden";

	// masque le contenu (balise iframe [contempwindow])
	overlay_js_window = document.all ? parent.document.all[iframeID] : parent.document.getElementById ? parent.document.getElementById(iframeID) : ""
	overlay_js_window.style.visibility = "hidden";

	// masque l'overlay (balise div [overlay])
	overlay_js_window = document.all ? parent.document.all[layerID] : parent.document.getElementById ? parent.document.getElementById(layerID) : ""
	overlay_js_window.style.visibility = "hidden";

	}
}

/*
function hide_all() {
	if (w3c||ie){

	// masque la fenetre (balise div [window] )
	my_window = parent.document.getElementById('window');
	my_window.style.visibility = "hidden";

	// masque le contenu (balise iframe [contempwindow])
	my_window = parent.document.getElementById('contempwindow');
	my_window.style.visibility = "hidden";

	// masque l'overlay (balise div [overlay])
	my_window = document.all ? parent.document.all['overlay'] : parent.document.getElementById ? parent.document.getElementById('overlay') : ""
	my_window.style.visibility = "hidden";

	}


}
*/