function loadImage() { 

  for (var i=0; i < 12 ; i++) {
     rollover[i] = new Image();
  }	

  rollover[0].src = "images/00_navi01_on.gif";
  rollover[1].src = "images/00_navi02_on.gif";
  rollover[2].src = "images/00_navi03_on.gif";
  rollover[3].src = "images/00_navi04_on.gif";
  rollover[4].src = "images/00_navi05_on.gif";
  rollover[5].src = "images/00_navi06_on.gif";
  rollover[6].src = "images/00_menu01_on.gif";
  rollover[7].src = "images/00_menu02_on.gif";
  rollover[8].src = "images/00_menu03_on.gif";
  rollover[9].src = "images/00_menu04_on.gif";
  rollover[10].src = "images/00_menu05_on.gif";
  rollover[11].src = "images/00_menu06_on.gif";

}