var imageFiles_5y_7 = new Array();
imageFiles_5y_7['0'] = new Array ('_images/5y_HOME.gif', '_images/5y_HOMEMouseover.gif');
imageFiles_5y_7['1'] = new Array ('_images/5y_ABOUT.gif', '_images/5y_ABOUTMouseover.gif');
imageFiles_5y_7['2'] = new Array ('_images/5y_CONTACT.gif', '_images/5y_CONTACTMouseover.gif');

function image_on_5y_7 (position) {
   var doc = eval("document.image5y_7" + position);
   doc.src = imageFiles_5y_7[position][1];
}

function image_off_5y_7 (position) {
   var doc = eval("document.image5y_7" + position);
   doc.src = imageFiles_5y_7[position][0];
}