function popup( url, height, width )
{

	var winl = ( screen.width - width ) / 2;
	var wint = ( screen.height - height ) / 2;

	window.open( url, 'POPUP', "top=" + wint + ", left=" + winl + ", height=" + height + ", width=" + width + ", menubar=no, resizable=no, scroolbars=no, status=no, toolbar=no" );
}

function changeImage( idCar, idImg )
{
	var url = 'medias/images/vehicules/' + idCar + '/zoom/vehicule_'  + idImg + '.jpg' ;
	document.getElementById('zoom').src = url;
}