im1=new Image(200,30);
im1.src="images/menu_14.jpg";
im1a=new Image(200,30);
im1a.src="images/menu_14a.jpg";    

im2=new Image(200,30);
im2.src="images/menu_13.jpg";
im2a=new Image(200,30);
im2a.src="images/menu_13a.jpg";    

im3=new Image(200,30);
im3.src="images/menu_12.jpg";
im3a=new Image(200,30);
im3a.src="images/menu_12a.jpg";    

im4=new Image(200,30);
im4.src="images/menu_11.jpg";
im4a=new Image(200,30);
im4a.src="images/menu_11a.jpg";    

function hm_over(type) {
  switch (type) {
    case 1:
      m1.src=eval('im1a.src');
    break;
    case 2:
      m2.src=eval('im2a.src');
    break;
    case 3:
      m3.src=eval('im3a.src');
    break;
    case 4:
      m4.src=eval('im4a.src');
    break;
  }
}

function hm_out(type) {
  switch (type) {
    case 1:
      m1.src=eval('im1.src');
    break;
    case 2:
      m2.src=eval('im2.src');
    break;
    case 3:
      m3.src=eval('im3.src');
    break;
    case 4:
      m4.src=eval('im4.src');
    break;
  }
}