var AppParams = {};

function forward(controller, action, params) {
	action = action == undefined ? '' : action;
	params = params == undefined ? '' : params;
	window.location = "site.php?__controller=" + controller + "&__action=" + action + params;
}

getOverlayManager = function() {
	if (AppParams._overlayManager) {
		return AppParams._overlayManager;
	} else {
		if (YAHOO.widget.OverlayManager) {
			AppParams._overlayManager = new YAHOO.widget.OverlayManager();
			return AppParams._overlayManager;
		}
	}
}

var validaEmail = function(email) {
	return /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/.test(email);
}