var ttimer, itimer;
var g, i, k;
var navbg = new Array();
var bgs=new Array(6,"navhg_01.jpg","navhg_02.jpg","navhg_03.jpg","navhg_04.jpg","navhg_05.jpg","navhg_06.jpg");
function fehlerauswertung() {
	return false;
};
function rechen_cache() {
	itimer = setTimeout("Swapsrc()",250);
};
function cacheIt(cnum) {
	i = cnum;
	navbg[i] = new Image;
	navbg[i].src = "media/" + bgs[i];
};
function Swapsrc() {
	navbg[1] = new Image(); navbg[1].src = "media/navhg_01.jpg";
	navbg[2] = new Image(); navbg[2].src = "media/navhg_02.jpg";
	navbg[3] = new Image(); navbg[3].src = "media/navhg_03.jpg";
	navbg[4] = new Image(); navbg[4].src = "media/navhg_04.jpg";
	navbg[5] = new Image(); navbg[5].src = "media/navhg_05.jpg";
	navbg[6] = new Image(); navbg[6].src = "media/navhg_06.jpg";
};
function Swapout(nsrc,ci) {
	var xsrc=nsrc;
	var xi=ci;
	xsrc.style.backgroundImage="";
};
function Swapin(nsrc,ci) {
	var xsrc=nsrc;
	var xi=ci;
	if (navbg[xi].complete == true) {
		if(itimer) { clearTimeout(itimer); }
		xsrc.style.backgroundImage="url("+navbg[xi].src+")";
	}
	else {
		cacheIt(xi);
		itimer = setTimeout("Swapin(xsrc,xi)",250);
	}
};
window.onerror=fehlerauswertung;
window.onload=rechen_cache;