if (parseInt(navigator.appVersion) >= 3) {

 pfeil01_off = new Image;
 pfeil01_off.src = "images/pfeil_off.gif";
 pfeil01_on = new Image;
 pfeil01_on.src = "images/pfeil_on.gif";

 pfeil02_off = new Image;
 pfeil02_off.src = "images/pfeil_off.gif";
 pfeil02_on = new Image;
 pfeil02_on.src = "images/pfeil_on.gif";

 pfeil03_off = new Image;
 pfeil03_off.src = "images/pfeil_off.gif";
 pfeil03_on = new Image;
 pfeil03_on.src = "images/pfeil_on.gif";

 pfeil04_off = new Image;
 pfeil04_off.src = "images/pfeil_off.gif";
 pfeil04_on = new Image;
 pfeil04_on.src = "images/pfeil_on.gif";
 
 pfeil05_off = new Image;
 pfeil05_off.src = "images/pfeil_off.gif";
 pfeil05_on = new Image;
 pfeil05_on.src = "images/pfeil_on.gif";

 pfeil06_off = new Image;
 pfeil06_off.src = "images/pfeil_off.gif";
 pfeil06_on = new Image;
 pfeil06_on.src = "images/pfeil_on.gif";

 pfeil07_off = new Image;
 pfeil07_off.src = "images/pfeil_off.gif";
 pfeil07_on = new Image;
 pfeil07_on.src = "images/pfeil_on.gif";

 pfeil08_off = new Image;
 pfeil08_off.src = "images/pfeil_off.gif";
 pfeil08_on = new Image;
 pfeil08_on.src = "images/pfeil_on.gif";

 pfeil09_off = new Image;
 pfeil09_off.src = "images/pfeil_off.gif";
 pfeil09_on = new Image;
 pfeil09_on.src = "images/pfeil_on.gif";

 pfeil100_off = new Image;
 pfeil100_off.src = "../images/pfeil_off.gif";
 pfeil100_on = new Image;
 pfeil100_on.src = "../images/pfeil_on.gif";

 pfeil101_off = new Image;
 pfeil101_off.src = "../images/pfeil_off.gif";
 pfeil101_on = new Image;
 pfeil101_on.src = "../images/pfeil_on.gif";

 pfeil102_off = new Image;
 pfeil102_off.src = "../images/pfeil_off.gif";
 pfeil102_on = new Image;
 pfeil102_on.src = "../images/pfeil_on.gif";

}

 function img_act(img_name) {
      if (parseInt(navigator.appVersion) >= 3) {
           img_on = eval(img_name + "_on.src");
           document [img_name].src = img_on;
      }
 }


 function img_inact(img_name) {
      if (parseInt(navigator.appVersion) >= 3) {
           img_off = eval(img_name + "_off.src");
           document [img_name].src = img_off;
      }
 }