<!--
function switchToOn(imgName) {
  imgOn = eval(imgName + "on.src");
  document[imgName].src = imgOn;
}

function switchToOff(imgName) {
  imgOff = eval(imgName + "off.src");
  document[imgName].src = imgOff;
}

menu_top_1on=new Image();
menu_top_1on.src="/images/btn_home_on.gif";
menu_top_1off=new Image();
menu_top_1off.src="/images/btn_home_off.gif";

menu_top_2on=new Image();
menu_top_2on.src="/images/btn_search_on.gif";
menu_top_2off=new Image();
menu_top_2off.src="/images/btn_search_off.gif";

menu_top_3on=new Image();
menu_top_3on.src="/images/btn_unclass_on.gif";
menu_top_3off=new Image();
menu_top_3off.src="/images/btn_unclass_off.gif";

menu_top_4on=new Image();
menu_top_4on.src="/images/btn_links_on.gif";
menu_top_4off=new Image();
menu_top_4off.src="/images/btn_links_off.gif";

menu_top_5on=new Image();
menu_top_5on.src="/images/btn_owners_on.gif";
menu_top_5off=new Image();
menu_top_5off.src="/images/btn_owners_off.gif";

menu_top_6on=new Image();
menu_top_6on.src="/images/btn_contact_on.gif";
menu_top_6off=new Image();
menu_top_6off.src="/images/btn_contact_off.gif";
//-->