// JavaScript by Jan-Henrik Hempel - jhh@j2h.info
	var items  = 8;
	pics = new Array(items);

	for (i=1; i<=items; i++) {
		pics[i]=new Array(5);
	}

	i=0;
	i++;
		pics[i][0]='fakten';
		pics[i][3]='nav';
	i++;
		pics[i][0]='transplantation';
		pics[i][3]='nav';
	i++;
		pics[i][0]='bdo';
		pics[i][3]='nav';
	i++;
		pics[i][0]='home';
		pics[i][3]='meta';
	i++;
		pics[i][0]='kontakt';
		pics[i][3]='meta';
	i++;
		pics[i][0]='impressum';
		pics[i][3]='meta';
	i++;
		pics[i][0]='weitersagen';
		pics[i][3]='meta';
	i++;
		pics[i][0]='index';
		pics[i][3]='nav';

	for (i=1; i<=items; i++) {
		pics[i][1] = new Image();
		pics[i][2] = new Image();
 		pics[i][1].src = 'img/n_' + pics[i][0] + '.gif';
		pics[i][2].src = 'img/n_' + pics[i][0] + '_a.gif';
	}

	function chg(index, fct) {
		active = parent.active;
		for (i=1; i<=items; i++) {
			if ( pics[i][0] == index ) {
				actualindex = i;
			}
		}
		
		if(navigator.appName == 'Microsoft Internet Explorer' && parseFloat( navigator.appVersion.substring(0,1)) > 3 || navigator.appName == 'Netscape' && parseFloat( navigator.appVersion.substring(0,1)) > 2) {
			if (fct == 'over') {
				window.document.images[pics[actualindex][0]].src = pics[actualindex][2].src;
	    	}
			if (fct == 'out' && actualindex != active) {
				window.document.images[pics[actualindex][0]].src = pics[actualindex][1].src;
			}
			if (fct == 'click') {
				if (active != 0) {
					if ( pics[active][3] == pics[actualindex][3] ) {
						window.document.images[pics[active][0]].src = pics[active][1].src;
					} else {
						if ( pics[active][3] == 'meta' ) {
							parent.bdo_met.document.images[pics[active][0]].src = pics[active][1].src;
 						}
						if ( pics[active][3] == 'nav' ) {
							parent.bdo_nav.document.images[pics[active][0]].src = pics[active][1].src;
 						}
					}
				}
				parent.active = actualindex;
				window.document.images[pics[actualindex][0]].src = pics[actualindex][2].src;
	    	}
		}
	}