function ouvre(theURL, winName, largeur, hauteur, features){
	var top = (screen.height - hauteur) / 2;
	var left = (screen.width - largeur) / 2;
	window.open(theURL, winName, "top=" + top + ", left=" + left + ", width=" + largeur + ", height=" + hauteur + "," + features);
}

function setAction(action, anchor, target, noReturn) {
	this.actionForm.formAction.value = action;
	this.actionForm.target = '_self';
	if (anchor != undefined) {
		this.actionForm.action = this.actionForm.action + anchor;
	}
	if (target != undefined && anchor == undefined) {
		this.actionForm.target = target;
	}
	this.actionForm.submit();
	if (noReturn == undefined) {
		return false;
	}
}