function verteiler(menus,onoff) {


 if(document.images) {

	if (onoff=='on') {

		document.images["foto"].src = "../images/"+menus+"_fo.jpg";
		document.images[menus].src = "bottoni/"+menus+"_on.jpg";
	} else {
		document.images["foto"].src =  "../images/primo_fo.jpg";
		document.images[menus].src = "bottoni/"+menus+"_off.jpg";
	}
 }
}


var anzahlObj = 0;
Bilder = new Array();

function carica(acceso, spento, lafoto) {
  if (document.images) {
    Bilder[anzahlObj] = new Array(3);
    Bilder[anzahlObj][0] = new Image();
    Bilder[anzahlObj][0].src = acceso;
    Bilder[anzahlObj][1] = new Image();
    Bilder[anzahlObj][1].src = spento;
    Bilder[anzahlObj][2] = new Image();
    Bilder[anzahlObj][2].src = lafoto;
    anzahlObj++;
  }
}

//Bilder in den Speicher laden:
carica( "bottoni/customer_off.jpg","bottoni/customer_on.jpg","../images/customer_fo.jpg");
carica( "bottoni/segreteria_off.jpg","bottoni/segreteria_on.jpg","../images/segreteria_fo.jpg");
carica( "bottoni/sollecito_off.jpg","bottoni/sollecito_on.jpg","../images/sollecito_fo.jpg");
carica( "bottoni/telemark_off.jpg","bottoni/telemark_on.jpg","../images/telemark_fo.jpg");
carica( "bottoni/domicil_off.jpg","bottoni/domicil_on.jpg","../images/domicil_fo.jpg");