var img;
var dv;
var poster;
var qtWindow;
var url="";
var titre="";
var temp="";

function ov(n)
{
	img = document.getElementById(n);
	img.src = img.src.substr(0, img.src.lastIndexOf("_")) + "_ov.gif";
}

function of(n)
{
	img = document.getElementById(n);
	img.src = img.src.substr(0, img.src.lastIndexOf("_")) + "_of.gif";
}

function make_invisible(n)
{
	dv = document.getElementById(n);
	dv.style.visibility = "hidden";
}

function make_visible(n)
{
	dv = document.getElementById(n);
	dv.style.visibility = "visible";
}

function changeImg(imgID, imgSrc, imgMap)
{
	poster = document.getElementById(imgID);
	poster.src  = poster.src.substr(0, poster.src.lastIndexOf("/")) + "/" + imgSrc;
	
	if(imgMap.length > 0)
		poster.useMap = imgMap;
}

function changePoster(imgSrc)
{
	poster = document.getElementById("poster");
	poster.src  = poster.src.substr(0, poster.src.lastIndexOf("/")) + "/" + imgSrc;
}