function setOnLoad() {
	// links
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i = 0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
			anchor.target = "_blank";
	}
}
window.onload = setOnLoad;

function montre(id) {
var d = document.getElementById(id);
		if (document.getElementById('submenu1')) {document.getElementById('submenu1').style.display='none';}
		if (document.getElementById('submenu2')) {document.getElementById('submenu2').style.display='none';}
if (d) {d.style.display='block';}
}