var check = "clear";
var check2 = "clear";
var tellen = 0;

function show(){
	document.getElementById('dropdown').style.filter = "alpha(opacity=" + tellen*10 + ")";
	document.getElementById('dropdown').style.opacity = "0." + tellen;
	document.getElementById('dropdown').style.visibility = "visible";
	if (tellen < 9){
		check2 = "notclear";
		tellen++;
		setTimeout("show()",30);
	}else{
		document.getElementById('dropdown').style.filter = "alpha(opacity=100)";
		document.getElementById('dropdown').style.opacity = "1";
		check2 = "clear";
	}
}

function hide(){
	if (check2 == "clear"){
		document.getElementById('dropdown').style.filter = "alpha(opacity=" + tellen*10 + ")";
		document.getElementById('dropdown').style.opacity = "0." + tellen;
		if (tellen > -1){
			tellen--;
			setTimeout("hide()",30);
		}else{
			document.getElementById('dropdown').style.visibility = "hidden";
		}
	}
}

function dropdown1(nummer){
	var positie1 = 103;
	var positie2 = document.getElementById(nummer).offsetLeft;
	var positie3 = 5;
    positie2 = positie2 + positie3;
	
	if (nummer == '72'){document.getElementById('dropdown').innerHTML = '<div><a href="producten">producten</a></div><div><a href="fotogalerie">fotogalerie</a></div><div><a href="sportlights">sportlights</a></div>';}	
	document.getElementById('dropdown').style.top = positie1 + 'px';
	document.getElementById('dropdown').style.left = positie2 + 'px';
	check = "notclear";
	show();
}


function dropdown2(){
	if (check == "clear"){
		hide();
	}
}

function dropdown3(){
	check = "clear";
	setTimeout("dropdown2()", 1000);
}

function dropdown4(){
	check = "notclear";
	show();
}