Projekt_Button = new Image(); Projekt_Button.src = "./img/menu_button1.gif"; 
Projekt_Button_act = new Image(); Projekt_Button_act.src = "./img/menu_button1_act.gif"; 
Organisation_Button = new Image(); Organisation_Button.src = "./img/menu_button2.gif"; 
Organisation_Button_act = new Image(); Organisation_Button_act.src = "./img/menu_button2_act.gif"; 
Aktivitaeten_Button = new Image(); Aktivitaeten_Button.src = "./img/menu_button3.gif"; 
Aktivitaeten_Button_act = new Image(); Aktivitaeten_Button_act.src = "./img/menu_button3_act.gif"; 
Publikationen_Button = new Image(); Publikationen_Button.src = "./img/menu_button4.gif"; 
Publikationen_Button_act = new Image(); Publikationen_Button_act.src = "./img/menu_button4_act.gif"; 
Login_Button = new Image(); Login_Button.src = "./img/menu_button5.gif"; 
Login_Button_act = new Image(); Login_Button_act.src = "./img/menu_button5_act.gif"; 
Kontakt_Button = new Image(); Kontakt_Button.src = "./img/menu_button6.gif"; 
Kontakt_Button_act = new Image(); Kontakt_Button_act.src = "./img/menu_button6_act.gif";