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

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

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

function toggleImages() {
	for (var i=0; i<toggleImages.arguments.length; i+=2) {
		if (selected == toggleImages.arguments[i])      changeImagesArray(toggleImages.arguments[i+1]);
	}
}

var selected = '';
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_all_layers22_a_standorte_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_a_st-05.jpg");
		header_all_layers22_a_mitarbeiter_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_a_mi-08.jpg");
		header_all_layers22_n_aktuelles_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_ak-12.jpg");
		header_all_layers22_a_unternehmen_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_a_un-15.jpg");
		header_all_layers22_a_kompetenzen_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_a_ko-18.jpg");
		header_all_layers22_a_auftrag_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_a_au-21.jpg");
		header_all_layers22_n_aktuelles_font_header_all_layers22_n_aktuelles_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_ak-31.jpg");
		header_all_layers22_n_unternehmen_font_header_all_layers22_a_unternehmen_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_un-34.jpg");
		header_all_layers22_n_kompetenzen_font_header_all_layers22_a_kompetenzen_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_ko-37.jpg");
		header_all_layers22_n_auftrag_font_header_all_layers22_a_auftrag_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_au-40.jpg");
		header_all_layers22_n_standorte_font_header_all_layers22_a_standorte_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_st-43.jpg");
		header_all_layers22_n_mitarbeiter_font_header_all_layers22_a_mitarbeiter_kreis_over = newImage("fileadmin/oesb/images/header_all_layers22_n_mi-46.jpg");
		preloadFlag = true;
	}
}