for(var i= 1; i< 18; i++){
	this["n"+i+"a"] = new Image();
	this["n"+i+"a"].src = "../bilder/button"+i+".gif";
	this["n"+i+"b"] = new Image();
	this["n"+i+"b"].src = "../bilder/button"+i+"-2.gif";
}

function hilite(imgDocID,imgObjName){
	str= document.getElementById("number").innerHTML;
	nr1= str.substr(0,1);
	nr2= str.substr(1);
	if (imgDocID!= "p"+nr1 && imgDocID!= "p"+nr2) {
		if (document.images[imgDocID]) {
			document.images[imgDocID].src = eval(imgObjName+".src");
		}
	}
}

function show(id) {
	hide(id);
	document.getElementById("sub"+id).style.visibility = "visible";
}

function hide(id) {
	str= document.getElementById("number").innerHTML;
	nr= str.substr(0,1);
	for (var i= 2; i< 6; i++) {
		document.getElementById("sub"+i).style.visibility = "hidden";
	}
	for (var i= 1; i< 18; i++) {
		if (i!= id && i!= nr) hilite('p'+i,'n'+i+'a');
	}
}

function setNumber(nr) {
	document.getElementById("number").innerHTML= nr;
}

function kunde() {
	hilite('p3','n3b');
	document.getElementById("number").innerHTML= 30;
	hilite('p1','n1a');
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}