function rollOver(menu, typ) {
    switch (menu){
        case 1:
        actMenu = "assets/images/menuHomeAct.gif";
        inactMenu = "assets/images/menuHomeIn.gif";				
        break;
        case 2:
        actMenu = "assets/images/menuTraditionAct.gif";
        inactMenu = "assets/images/menuTraditionIn.gif";				
        break;
        case 3:
        actMenu = "assets/images/menuUhrwerkeAct.gif";
        inactMenu = "assets/images/menuUhrwerkeIn.gif";				
        break;
        case 4:
        actMenu = "assets/images/menuInnovationAct.gif";
        inactMenu = "assets/images/menuInnovationIn.gif";				
        break;
        case 5:
        actMenu = "assets/images/menuVisionAct.gif";
        inactMenu = "assets/images/menuVisionIn.gif";				
        break;
        case 6:
        actMenu = "assets/images/menuKontaktAct.gif";
        inactMenu = "assets/images/menuKontaktIn.gif";				
        break;	
        case 7:
        actMenu = "assets/images/menuUhrAct.gif";
        inactMenu = "assets/images/menuUhrIn.gif";				
        break;	
        case 8:
        actMenu = "assets/images/menuErsatzAct.gif";
        inactMenu = "assets/images/menuErsatzIn.gif";				
        break;	        
    }	
    if (typ == 1) {
        document.getElementById(menu).src = actMenu;			
    } else {
        document.getElementById(menu).src = inactMenu;
    }	
}