var current=0
var over=0
var last=1

var preload1=new Image();
preload1.src="images/led_green.gif";
var preload2=new Image();
preload2.src="images/led_yellow.gif";
var preload3=new Image();
preload3.src="images/led_red.gif";
var preload4=new Image();
preload4.src="images/up.gif";
var preload5=new Image();
preload5.src="images/down.gif";
var preload6=new Image();
preload6.src="images/updown.gif";

function logoupdown(){
	document.all.logoholder.innerHTML = '<img id="logo" src="images/updown.gif" alt="Home" border="0">';
}
function logoup(){
	// ofetwel, naar de homepage
	document.all.logoholder.innerHTML = '<img id="logo" src="images/up.gif" alt="Home" border="0">';
	changecurrent(current, 0);
	document.all.contentdinges.src="content-nl/home.html"
}

function logodown(){
	document.all.logoholder.innerHTML = '<img id="logo" src="images/down.gif" alt="Home" border="0">';
}

function noyellow(){
	if (last!=current)
		eval("document.led" + last + ".src = 'images/led_red.gif'");
}

function swap(num){
	if (num==current){ //huidige moet groen blijven
		eval("document.led" + num + ".src = 'images/led_green.gif'");
		if (last!=current) {
			eval("document.led" + last + ".src = 'images/led_red.gif'");
			last=num;
		}
	}
	else {
		eval("document.led" + num + ".src = 'images/led_yellow.gif'");
		if ((last!=num)&&(last!=current)) {
			eval("document.led" + last + ".src = 'images/led_red.gif'");
			last=num;
		}
	}
	last=num
}

function changecurrent(old,nw){
	eval("document.led" + old + ".src = 'images/led_red.gif'");
	eval("document.led" + nw + ".src = 'images/led_green.gif'");
	current=nw
}

function borderize(what,color){
what.style.borderColor=color
}

function borderize_on(e){
	if (document.all)
		source3=event.srcElement
	else if (document.getElementById)
		source3=e.target

	if (source3.className=="menulines"){
		borderize(source3,"red")
		// for imageswap
		n=source3.name.charAt(4)
		swap(n)
	}
	else{
		while(source3.tagName!="TABLE"){
			source3=document.getElementById? source3.parentNode : source3.parentElement
			if (source3.className=="menulines")
			borderize(source3,"white")
		}
	}
}

function borderize_off(e){
	if (document.all)
		source4=event.srcElement
	else if (document.getElementById)
		source4=e.target
	
	if (source4.className=="menulines"){
		borderize(source4,"black")
		// for imageswap
		n=source4.name.charAt(4)
	}
	else{
		while(source4.tagName!="TABLE"){
			source4=document.getElementById? source4.parentNode : source4.parentElement
		if (source4.className=="menulines")
			borderize(source4,"black")
		}
	}
}