var preloadFlag = false;

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

function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}

function changeImages() {
	changeImagesArray(changeImages.arguments);
}

function preloadImages() {
	if (document.images) {
		pre_navi_az_rollover = newImage('/img/navi_az_rollover.gif');
		pre_navi_ga_rollover = newImage('/img/navi_ga_rollover.gif');
		pre_navi_ls_rollover = newImage('/img/navi_ls_rollover.gif');
		pre_navi_kb_rollover = newImage('/img/navi_kb_rollover.gif');
		pre_navi_rm_rollover = newImage('/img/navi_rm_rollover.gif');
		pre_navi_mo_rollover = newImage('/img/navi_mo_rollover.gif');
		pre_navi_zr_rollover = newImage('/img/navi_zr_rollover.gif');
		pre_navi_tf_rollover = newImage('/img/navi_tf_rollover.gif');
		pre_bottom_home_rollover = newImage('/img/bottom_home_rollover.gif');
		pre_bottom_agb_rollover = newImage('/img/bottom_agb_rollover.gif');
		pre_bottom_preise_rollover = newImage('/img/bottom_preise_rollover.gif');
		pre_bottom_kontakt_rollover = newImage('/img/bottom_kontakt_rollover.gif');
		pre_bottom_partner_rollover = newImage('/img/bottom_partner_rollover.gif');
		pre_bottom_about_rollover = newImage('/img/bottom_about_rollover.gif');
		pre_bottom_suchende_rollover = newImage('/img/bottom_suchende_rollover.jpg');
		pre_bottom_unternehmer_rollover = newImage('/img/bottom_unternehmer_rollover.jpg');
		preloadFlag = true;
	}
}