function changePicture(p_node, p_file) {
	p_node.src = "./bilder/" + p_file;
}

function menuOpen(p_node, p_file, p_untermenuId) {
	changePicture(p_node, p_file);
	Effect.Appear(p_untermenuId,{duration:0.5,from:0,to:1});
}

function menuClose(p_node, p_file, p_untermenuId) {
	changePicture(p_node, p_file);
	document.getElementById(p_untermenuId).style.display = "none";
}

function href(p_target) {
	location.href = p_target;
}