function redirect(url) {

    document.location = url;

  }



  function preloadpic() {

    if (document.images) {

      timg01 = new Image(); timg01.src = "images/main_img01.jpg";

      timg02 = new Image(); timg02.src = "images/main_img02.jpg";

      timg03 = new Image(); timg03.src = "images/main_img03.jpg";

      timg04 = new Image(); timg04.src = "images/main_img04.jpg";

      timg05 = new Image(); timg05.src = "images/main_img05.jpg";

      timg06 = new Image(); timg06.src = "images/main_info00.jpg";

      timg07 = new Image(); timg07.src = "images/main_info01.jpg";

      timg08 = new Image(); timg08.src = "images/main_info02.jpg";

      timg09 = new Image(); timg09.src = "images/main_logo01.jpg";

      timg10 = new Image(); timg10.src = "images/main_logo02.jpg";

      timg11 = new Image(); timg11.src = "images/main_menu01a.jpg";

      timg12 = new Image(); timg12.src = "images/main_menu01b.jpg";

      timg13 = new Image(); timg13.src = "images/main_menu02a.jpg";

      timg14 = new Image(); timg14.src = "images/main_menu02b.jpg";
    }

  }

    
  function imgchange(obj,s) {
     obj.src = s;  
  }

    
  function main_imgchange(obj1,s1,obj2,s2) {
     obj1.src = s1;  
     obj2.src = s2;       
  }