function txt_to_img()
{
	var txt = document.getElementById("menu_texte");
	var img = document.getElementById("menu_image");
	var img1 = document.getElementById("Mimage_up");
	var img2 = document.getElementById("Mimage_down");
	var img3 = document.getElementById("menu_image_in");
 
	txt.style.visibility = "hidden";
	img.style.visibility = "visible";
	img1.style.visibility = "visible";
	img2.style.visibility = "visible";
	img3.style.visibility = "visible";
}

function img_to_txt()
{
	var txt = document.getElementById("menu_texte");
	var img = document.getElementById("menu_image");
	var img1 = document.getElementById("Mimage_up");
	var img2 = document.getElementById("Mimage_down");
	var img3 = document.getElementById("menu_image_in");

	txt.style.visibility = "visible";
	img.style.visibility = "hidden";
	img1.style.visibility = "hidden";
	img2.style.visibility = "hidden";
	img3.style.visibility = "hidden";
}