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/enter.jpg", "../../img/enter_on.jpg");
preload("link2", "../../img/kn4.jpg", "../../img/kn4_on.jpg");
preload("link3", "../../img/kn5.jpg", "../../img/kn5_on.jpg");
preload("link4", "../../img/menu1.jpg", "../../img/menu1_on.jpg");
preload("link5", "../../img/menu2.jpg", "../../img/menu2_on.jpg");
preload("link6", "../../img/menu3.jpg", "../../img/menu3_on.jpg");
preload("link7", "../../img/menu4.jpg", "../../img/menu4_on.jpg");
preload("link8", "../../img/menu5.jpg", "../../img/menu5_on.jpg");
preload("link9", "../../img/menu6.jpg", "../../img/menu6_on.jpg");
preload("link10", "../../img/menu7.jpg", "../../img/menu7_on.jpg");


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