var v = -1;
var mpos = 0;
var mtar = 0;

// t: current time, b: beginning value, c: change in value, d: duration
function easeOutQuint(t, b, c, d){
	return c*((t=t/d-1)*t*t*t*t + 1) + b;
};

function menuinit(){
	document.getElementById("mp").style.left = document.getElementById("nul").offsetLeft+((==7)?120:95) + 100*-1;
	mpos = document.getElementById("mp").offsetLeft;
	//menuout(-1);
}

function menuover(m){
	menumove(mpos, document.getElementById("nul").offsetLeft+((m==6)?120:95) + 100*m, 0);
}

function menuout(){
	menumove(mpos, document.getElementById("nul").offsetLeft+((==7)?120:95) + 100*-1, 0);
}

function menumove(A,B,t){
	if(t==0) mtar = B;
	if(mpos!=B&&mtar==B){
		mpos = Math.round(easeOutQuint(t, A, B-A, 50));
		document.getElementById("mp").style.left = mpos;
		setTimeout("menumove("+A+","+B+","+(t+1)+")", 10);
	}
}

function fotozien(id,tonen){
	document.getElementById("foto").src = tonen?"bin/foto_bestand_"+id:"t.gif";
	document.getElementById("lijst").style.visibility = tonen?"visible":"hidden";
}

function bijschriftzien(txt){
	document.getElementById("bijschrift").innerHTML = txt;
	//document.getElementById("kader").style.visibility = txt!=''?"visible":"hidden";
}