if (document.images) {
     button1 = new Image
     button2 = new Image
     button3 = new Image
     button4 = new Image

     button1.src = '/images_basic/icon_kursinfo1.gif'
     button2.src = '/images_basic/icon_kursinfo2.gif'
     button3.src = '/images_basic/icon_anmelden1.gif'
     button4.src = '/images_basic/icon_anmelden2.gif'
 }
 
function MM_openBrWindow(theURL,winName,features) {
     window.open(theURL,winName,features);
}