var objCount=0;
pics=new Array (); 

function preload(name, off, on)  {     

  pics[objCount]=new Array(3);
  pics[objCount][0]=new Image();
  pics[objCount][0].src=on;
  pics[objCount][1]=new Image();
  pics[objCount][1].src=off;
  pics[objCount][2]=name;
  objCount++;

}

function on(name) {

	document.images[pics[name-1][2]].src=pics[name-1][0].src;

}

function off(name) {

	 document.images[pics[name-1][2]].src=pics[name-1][1].src;

}

preload("link1", "../../img/m1_off.jpg", "../../img/m1_on.jpg");
preload("link2", "../../img/m2_off.jpg", "../../img/m2_on.jpg");
preload("link3", "../../img/m3_off.jpg", "../../img/m3_on.jpg");
preload("link4", "../../img/m4_off.jpg", "../../img/m4_on.jpg");
preload("link5", "../../img/m5_off.jpg", "../../img/m5_on.jpg");
preload("link6", "../../img/m6_off.jpg", "../../img/m6_on.jpg");
preload("link7", "../../img/m7_off.jpg", "../../img/m7_on.jpg");
preload("link8", "../../img/m8_off.jpg", "../../img/m8_on.jpg");
preload("link9", "../../img/m9_off.jpg", "../../img/m9_on.jpg");
preload("link10", "../../img/m10_off.jpg", "../../img/m10_on.jpg");
preload("link11", "../../img/m11_off.jpg", "../../img/m11_on.jpg");
preload("link12", "../../img/m12_off.jpg", "../../img/m12_on.jpg");

function setfocus() {
  document.forms[0].query.focus();
}