function popup(path) 
{
	/*fadeBackground("up");*/
	var divpop = document.getElementById("popup")
	if (divpop)
	{
		document.getElementById('wrap').removeChild(divpop);
	}
	var newDiv = document.createElement('div');
	newDiv.setAttribute('id','popup');
	oBody = document.getElementById('wrap');
	oBody.appendChild(newDiv);
	document.getElementById('popup').innerHTML="<a href='javascript:closepopup()'>fermer</a><br />";
	document.getElementById('popup').innerHTML+=path;
}

function closepopup()
{
	oDiv = document.getElementById("popup");
	document.getElementById('wrap').removeChild(oDiv);
	fadeBackground("down");
}

function fadeBackground(param) 
{
	if (param == "up")
	{
		op = 0.3;
	}
	else if (param == "down")
	{
		op = 1;
	}
	aaa = document.getElementById("fader");
	aaa.style.KHTMLOpacity = op; // Safari<1.2, Konqueror
	aaa.style.MozOpacity = op; // Older Mozilla and Firefox
	aaa.style.opacity = op; // Safari 1.2, newer Firefox and Mozilla, CSS3
	op = op*100
	document.getElementById("fader").style.filter = "alpha(opacity:" + op +")"; // IE/Win
}