var imageFiles_3yh_1 = new Array();
imageFiles_3yh_1['0'] = new Array ('_images/3yh_Back_to_Concerto_Lunch_Menu.gif', '_images/3yh_Back_to_Concerto_Lunch_MenuMouseover.gif');

function image_on_3yh_1 (position) {
   var doc = eval("document.image3yh_1" + position);
   doc.src = imageFiles_3yh_1[position][1];
}

function image_off_3yh_1 (position) {
   var doc = eval("document.image3yh_1" + position);
   doc.src = imageFiles_3yh_1[position][0];
}