if (document.images)
     {
       m1on=new Image();
       m1on.src="images/body_button_1_2.png";
       m1off=new Image();
       m1off.src="images/body_button_1_1.png";
       m2on=new Image();
       m2on.src="images/body_button_2_2.png";
       m2off=new Image();
       m2off.src="images/body_button_2_1.png";
       m3on=new Image();
       m3on.src="images/body_button_3_2.png";
       m3off=new Image();
       m3off.src="images/body_button_3_1.png";
       m4on=new Image();
       m4on.src="images/button_2_home.png";
       m4off=new Image();
       m4off.src="images/button_1_home.png";
       m5on=new Image();
       m5on.src="images/button_2_about.png";
       m5off=new Image();
       m5off.src="images/button_1_about.png";
       m6on=new Image();
       m6on.src="images/button_2_training.png";
       m6off=new Image();
       m6off.src="images/button_1_training.png";
       m7on=new Image();
       m7on.src="images/button_2_WorkingMoms.png";
       m7off=new Image();
       m7off.src="images/button_1_WorkingMoms.png";
       m8on=new Image();
       m8on.src="images/button_2_helps.png";
       m8off=new Image();
       m8off.src="images/button_1_helps.png";
       m9on=new Image();
       m9on.src="images/button_2_contact.png";
       m9off=new Image();
       m9off.src="images/button_1_contact.png";
     }
  function imgOn(imgName)
  {
    if (document.images)
    {
       document[imgName].src=eval(imgName+"on.src" );
    }
  }
  function imgOff(imgName)
  {
    if (document.images)
    {
      document[imgName].src=eval(imgName+"off.src");
    }
  }