//menu

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];
		}
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		neu1_over = newImage("images/menu/1a.jpg");
		neu2_over = newImage("images/menu/2a.jpg");
		neu3_over = newImage("images/menu/3a.jpg");
		neu4_over = newImage("images/menu/4a.jpg");
		neu5_over = newImage("images/menu/5a.jpg");
		neu6_over = newImage("images/menu/6a.jpg");
		neu7_over = newImage("images/menu/7a.jpg");
		neu8_over = newImage("images/menu/8a.jpg");	
		neu9_over = newImage("images/pfeile/0000992.gif");	
		neu10_over = newImage("images/pfeile/cc00002.gif");	
		neu11_over = newImage("images/pfeile/66cc332.gif");	
		neu12_over = newImage("images/pfeile/66cccc2.gif");	
		neu13_over = newImage("images/pfeile/ffff66.gif");	
		neu14_over = newImage("images/pfeile/9900992.gif");	
		neu15_over = newImage("images/pfeile/cccccc2.gif");					
		preloadFlag = true;
	}
}


//navigation

function navi_over(id){	
	document.getElementById("navi"+id+"").style.backgroundColor = "#000000";
	changeImages('navipix'+id+'',"images/pfeile/regular2.gif");
}
function navi_out(id){	
	document.getElementById("navi"+id+"").style.backgroundColor = "#ffffff";
	changeImages('navipix'+id+'','images/pfeile/regular.gif');
}

// pfeilsettings
var color = new Array("0","regular","000099","cc0000","990099","66cc33","66cccc","ffff66","cccccc");

function kat_over(id){	
	document.getElementById("kat"+id+"").style.backgroundColor = "#"+color[id]+"";
	if(id == 1) document.getElementById("kat"+id+"").style.backgroundColor = "#000000";
	changeImages('katpix'+id+'',"images/pfeile/"+color[id]+"2.gif");
}
function kat_out(id){	
	document.getElementById("kat"+id+"").style.backgroundColor = "#ffffff";
	changeImages('katpix'+id+'',"images/pfeile/"+color[id]+".gif");
}