<!--
 no1 = new Image;
 no1.src = "_images/gfx/nav_1.gif"; 
 ro1 = new Image;
 ro1.src = "_images/gfx/nav_1_on.gif";
 
 no2 = new Image;
 no2.src = "_images/gfx/nav_2.gif"; 
 ro2 = new Image;
 ro2.src = "_images/gfx/nav_2_on.gif";
 
 no3 = new Image;
 no3.src = "_images/gfx/nav_3.gif"; 
 ro3 = new Image;
 ro3.src = "_images/gfx/nav_3_on.gif";
 
 no4 = new Image;
 no4.src = "_images/gfx/nav_4.gif"; 
 ro4 = new Image;
 ro4.src = "_images/gfx/nav_4_on.gif";
 
 no5 = new Image;
 no5.src = "_images/gfx/nav_5.gif"; 
 ro5 = new Image;
 ro5.src = "_images/gfx/nav_5_on.gif";
 
 no6 = new Image;
 no6.src = "_images/gfx/naven_1.gif"; 
 ro6 = new Image;
 ro6.src = "_images/gfx/naven_1_on.gif";
 
 no7 = new Image;
 no7.src = "_images/gfx/naven_2.gif"; 
 ro7 = new Image;
 ro7.src = "_images/gfx/naven_2_on.gif";
 
 no8 = new Image;
 no8.src = "_images/gfx/naven_3.gif"; 
 ro8 = new Image;
 ro8.src = "_images/gfx/naven_3_on.gif";
 
 no9 = new Image;
 no9.src = "_images/gfx/naven_4.gif"; 
 ro9 = new Image;
 ro9.src = "_images/gfx/naven_4_on.gif";
 
  no10 = new Image;
 no10.src = "_images/gfx/naven_5.gif"; 
 ro10 = new Image;
 ro10.src = "_images/gfx/naven_5_on.gif";
 
  no11 = new Image;
 no11.src = "_images/gfx/nav_11.gif"; 
 ro11 = new Image;
 ro11.src = "_images/gfx/nav_11_on.gif";
 
  no12 = new Image;
 no12.src = "_images/gfx/nav_12.gif"; 
 ro12 = new Image;
 ro12.src = "_images/gfx/nav_12_on.gif";

//-->