var ln_v = "menu_v";
var ln_m = "menu_m";
var imgn = "tphoto";

function hidemenu(){
	if(document.getElementById){
		document.getElementById(ln_m).style.visibility = "hidden";
		document.getElementById(ln_v).style.visibility = "visible";
	}
	else if(document.all){
		document.all(ln_m).style.visibility = "hidden";
		document.all(ln_v).style.visibility = "visible";
	}
	else if(document.layers){
		document.layers[ln_m].visibility = "hide";
		document.layers[ln_v].visibility = "show";
	}
}
function showmenu(){
	if(document.getElementById){
		document.getElementById(ln_m).style.visibility = "visible";
		document.getElementById(ln_v).style.visibility = "hidden";
	}
	else if(document.all){
		document.all(ln_m).style.visibility = "visible";
		document.all(ln_v).style.visibility = "hidden";
	}
	else if(document.layers){
		document.layers[ln_m].visibility = "show";
		document.layers[ln_v].visibility = "hide";
	}
}