function fenetre(url)
{ 
	var top=(screen.height-500)/2;
	var left=(screen.width-620)/2;
	window.open(url, "", "top="+top+", left="+left+", width=620, height=500, toolbar=no, location=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no");
}
 
function bookmark(title, url)
{
	if(window.external) // IE
		window.external.AddFavorite(url, title);
	else if(window.sidebar) // Firefox
		window.sidebar.addPanel(title, url, "")
} 

function ShowHide(id)
{
	var itm = null;
	if (document.getElementById)
		itm = document.getElementById(id);
	else if (document.all)
		itm = document.all[id];
	else if (document.layers)
		itm = document.layers[id];
	
	if (itm.style)
	{
		if (itm.style.display == "none")
			itm.style.display = "";
		else
			itm.style.display = "none";
	}
	else
		itm.visibility = "show";
}  
function Show(id)
{
	var itm = null;
	if (document.getElementById)
		itm = document.getElementById(id);
	else if (document.all)
		itm = document.all[id];
	else if (document.layers)
		itm = document.layers[id];
	
	if (itm.style)
		itm.style.display = "";
	else
		itm.visibility = "show";
}  
function Hide(id)
{
	var itm = null;
	if (document.getElementById)
		itm = document.getElementById(id);
	else if (document.all)
		itm = document.all[id];
	else if (document.layers)
		itm = document.layers[id];
	
	if (itm.style)
		itm.style.display = "none";
	else
		itm.visibility = "show";
}  
function preload()
{
	var d=document;
	if(d.images)
	{
		if(!d.t)
			d.t=new Array();
	   	var i,j=d.t.length,a=preload.arguments;
		for(i=0; i<a.length; i++)
    		if (a[i].indexOf("#")!=0)
			{
				d.t[j]=new Image;
				d.t[j++].src=a[i];
			}
	}
}

function changerlangue(choix)
{
	document.language.action=location.href;
	document.language.langue.value=choix;
	document.language.submit();
}