function preloader() 

{

heavyImage1 = new Image(); 
heavyImage1.src = "http://sarahana.com/wp-content/themes/sarahana/images/menu_grafik_on.gif";

heavyImage2 = new Image(); 
heavyImage2.src = "http://sarahana.com/wp-content/themes/sarahana/images/menu_foto_on.gif";

heavyImage3 = new Image(); 
heavyImage3.src = "http://sarahana.com/wp-content/themes/sarahana/images/menu_video_on.gif";

}