var imageFiles_zj_7 = new Array();
imageFiles_zj_7['0'] = new Array ('_images/zj_Home.gif', '_images/zj_HomeMouseover.gif');
imageFiles_zj_7['1'] = new Array ('_images/zj_History.gif', '_images/zj_HistoryMouseover.gif');
imageFiles_zj_7['2'] = new Array ('_images/zj_Luggage.gif', '_images/zj_LuggageMouseover.gif');
imageFiles_zj_7['3'] = new Array ('_images/zj_Catalog.gif', '_images/zj_CatalogMouseover.gif');

function image_on_zj_7 (position) {
   var doc = eval("document.imagezj_7" + position);
   doc.src = imageFiles_zj_7[position][1];
}

function image_off_zj_7 (position) {
   var doc = eval("document.imagezj_7" + position);
   doc.src = imageFiles_zj_7[position][0];
}