function prechargement(tab) {
	    for (var i = 0; i < tab.length; i++) {
			dummy = new Image();
			dummy.src = "../pics/" + langue + "/nav/" + arguments[i] + "_off.gif";
			dummy = new Image();
			dummy.src = "../pics/" + langue + "/nav/" + arguments[i] + "_on.gif";
		}
	}

	function rollover(img, newSrc) {
		document.getElementById(img).src = newSrc;
	}

	prechargement(
			"../pics/" + langue + "/nav/filting_off.gif", 
			"../pics/" + langue + "/nav/remodeling_off.gif", 
			"../pics/" + langue + "/nav/botox_off.gif", 
			"../pics/" + langue + "/nav/liens_off.gif", 
			"../pics/" + langue + "/nav/videos_off.gif", 
			"../pics/" + langue + "/nav/commandez_off.gif"
		);
	subnavs = new Array(
			new Array("filting", new Array('technique', 'suites', 'resultats')), 
			new Array("remodeling", new Array('remodeling2', 'technique2', 'resultats2')), 
			new Array("botox"), 
			new Array("liens"), 
			new Array("videos"), 
			new Array("commandez")
		);

	prechargement(subnavs);

	function active (id, id2) {
	    for (var i = 0; i < subnavs.length; i++) {
			newid = 'nav_' + subnavs[i][0];
			document.getElementById(newid).actif = newid == id;
			document.getElementById(newid).src = '../pics/' + langue + '/nav/' + subnavs[i][0] + '_' + (newid == id ? 'on' : 'off') + '.gif';
			document.getElementById('sub' + newid).className = 'sub' + newid == 'sub' + id ? "active" : "inactive";

			if ('sub' + newid == 'sub' + id && id2)
				if (subnavs[i][1])
				    for (var j = 0; j < subnavs[i][1].length; j++) {
						document.getElementById('subnav_' + subnavs[i][1][j]).actif = subnavs[i][1][j] == id2 ? true : false;
						document.getElementById('subnav_' + subnavs[i][1][j]).style.color = subnavs[i][1][j] == id2 ? '#FFFFFF' : '#D7E5ED';
					}

		}
		document.getElementById(id).actif = true;
	}